Bevacizumab-awwb becomes first biosimilar approved for cancer treatment

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Targeted therapies have revolutionized the treatment of numerous different cancer types and ushered in an era of personalized medicine, yet they can be prohibitively costly. As patent protection expires on many of the first FDA-approved monoclonal antibodies developed for oncologic indications, the doors are opened for other companies to develop their own version of these drugs, known as biosimilars. The price of biosimilars is expected to be considerably lower than the original drugs upon which they are based.

Bevacizumab-awwb, marketed as Mvasi by Amgen and Allergen, became the first such drug to receive approval by the US Food and Drug Administration for the treatment of cancer in fall last year.1 It is a biosimilar of Genentech’s anti-angiogenesis drug, bevacizumab (Avastin), a monoclonal antibody that targets vascular endothelial growth factor-A (VEGF-A).



The approval of biosimilars is based on rigorous demonstration of a high level of similarity between the biosimilar and the already-approved reference drug, in terms of structure, function, pharmacokinetics, pharmacodynamics, and clinical efficacy and safety.

Bevacizumab-awwb was approved for the first- or second-line treatment of metastatic colorectal cancer (mCRC) in combination with 5-fluorouracil-based chemotherapy; the second-line treatment of mCRC in combination with fluoropyrimidine-oxaliplatin chemotherapy in patients who progressed on first-line bevacizumab; the first-line treatment of unresectable, locally advanced, recurrent or metastatic nonsquamous non-small cell lung cancer (NSCLC) in combination with carboplatin and paclitaxel; the second-line treatment of glioblastoma (GBM) as monotherapy; and in patients with persistent, recurrent, or metastatic cervical cancer in combination with paclitaxel and cisplatin or paclitaxel and topotecan. It was not approved for the treatment of ovarian cancer, for which bevacizumab is indicated.

The majority of the data used to support approval came from 2 studies – a 3-arm, single-dose pharmacokinetics study, and a comparative clinical study in patients with advanced/metastatic NSCLC. In the pharmacokinetics study, 202 healthy men received an infusion of 3 mg/kg of bevacizumab-awwb, US-approved bevacizumab, or EU-approved bevacizumab. Bevacizumab-awwb was shown to have pharmacokinetic similarity to both approved forms of bevacizumab, and safety and tolerability were comparable, with none of the participants developing binding or neutralizing antidrug antibodies.2

In the clinical study, 648 patients received an infusion of bevacizumab-awwb or EU-approved bevacizumab at a dose of 15 mg/kg every 3 weeks in combination with 6 AUC carboplatin and 200 mg/m2 paclitaxel for 6 cycles. The overall response rate was 39% for bevacizumab-awwb, compared with 41.7% for EU-bevacizumab, and there were 2 complete responses in each group. The median duration of response for bevacizumab-awwb compared with EU-bevacizumab was 5.8 months versus 5.6 months, respectively, and median progression-free survival was 6.6 months versus 7.9 months.3

In terms of safety, the rates of grade 3/4 adverse events (AEs) were 42.9% in the biosimilar arm, compared with 44.3% for the reference drug. Overall, there were no clinically meaningful differences in AEs, serious AEs, deaths, or treatment discontinuations.

The recommended dose for bevacizumab-awwb in patients with mCRC is a 5 mg/kg intravenous dose administered every 2 weeks with bolus-IFL, a 10 mg/kg IV dose administered every 2 weeks with FOLFOX4, or a 5 mg/kg IV dose administered every 2 weeks or 7.5 mg/kg IV dose administered every 3 weeks with fluoropyrimidine-irinotecan or fluoropyrimidine-oxaliplatin-based chemotherapy.

For patients with NSCLC, bevacizumab-awwb should be administered at a 15 mg/kg IV dose every 3 weeks with the carboplatin–paclitaxel combination; for GBM patients, a 10 mg/kg IV dose should be administered every 3 weeks; and for patients with cervical cancer, an IV dose of 15 mg/kg every 3 weeks in combination with paclitaxel–cisplatin or paclitaxel–topotecan is recommended.

The prescribing information outlines warnings and precautions to advise clinicians administering the new biosimilar of the risks of gastrointestinal (GI) perforations, surgery and wound healing complications, and severe and potentially fatal pulmonary, GI, central nervous system, and vaginal bleeding.4

Treatment should be discontinued if GI perforation occurs. Patients should not take bevacizumab-awwb in the 28 days before elective surgery and after surgery until the wound is healed, and treatment should be discontinued if the surgical wound breaks open. Bevacizumab-awwb should not be administered to patients with severe hemorrhage or those with hemoptysis.

Blood pressure should be monitored every 2-3 weeks during treatment and hypertension treated with antihypertensive therapy. Treatment should be temporarily suspended in patients with severe hypertension that is not controlled with antihypertensive therapy and discontinued in patients who experience hypertensive crisis or hypertensive encephalopathy.

Proteinuria should be monitored by dipstick urine analysis during treatment, and patients with a 2+ or greater reading (concentration, 100 mg/dL) should undergo further assessment with 24-hour urine collection. Treatment should be suspended if proteinuria levels are ≥2 g/24h and can be resumed when they fall below that level, but should be discontinued in patients with nephrotic syndrome. Treatment should also be discontinued in patients who develop posterior reversible encephalopathy syndrome, and patients should be advised of the potential for fetal harm

References

1. FDA approves first biosimilar for the treatment of cancer. FDA News Release. https://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm576112.htm. September 14, 2017. Accessed January 31, 2018. 
2. Markus R, Chow V, Pan X, and Hanes V. A phase I, randomized, single-dose study evaluating the pharmacokinetic equivalence of biosimilar ABP 215 and bevacizumab in healthy adult men. Cancer Chemother. Pharmacol. 2017;80:755-763. 
3. Thatcher N, Thomas M, Ostoros G, et al. Randomized, double-blind, phase 3 study comparing biosimilar candidate ABP-215 with bevacizumab in patients with non-squamous NSCLC. J Thorac Oncol. 2017;12(1):S902-S903.  
4. Mvasi (bevacizumab-awwb) solution, for intravenous infusion. Prescribing information. Amgen Inc, https://www.accessdata.fda.gov/drugsatfda_docs/label/2017/761028s000lbl.pdf. September 2017. Accessed January 31, 2018.

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Targeted therapies have revolutionized the treatment of numerous different cancer types and ushered in an era of personalized medicine, yet they can be prohibitively costly. As patent protection expires on many of the first FDA-approved monoclonal antibodies developed for oncologic indications, the doors are opened for other companies to develop their own version of these drugs, known as biosimilars. The price of biosimilars is expected to be considerably lower than the original drugs upon which they are based.

Bevacizumab-awwb, marketed as Mvasi by Amgen and Allergen, became the first such drug to receive approval by the US Food and Drug Administration for the treatment of cancer in fall last year.1 It is a biosimilar of Genentech’s anti-angiogenesis drug, bevacizumab (Avastin), a monoclonal antibody that targets vascular endothelial growth factor-A (VEGF-A).



The approval of biosimilars is based on rigorous demonstration of a high level of similarity between the biosimilar and the already-approved reference drug, in terms of structure, function, pharmacokinetics, pharmacodynamics, and clinical efficacy and safety.

Bevacizumab-awwb was approved for the first- or second-line treatment of metastatic colorectal cancer (mCRC) in combination with 5-fluorouracil-based chemotherapy; the second-line treatment of mCRC in combination with fluoropyrimidine-oxaliplatin chemotherapy in patients who progressed on first-line bevacizumab; the first-line treatment of unresectable, locally advanced, recurrent or metastatic nonsquamous non-small cell lung cancer (NSCLC) in combination with carboplatin and paclitaxel; the second-line treatment of glioblastoma (GBM) as monotherapy; and in patients with persistent, recurrent, or metastatic cervical cancer in combination with paclitaxel and cisplatin or paclitaxel and topotecan. It was not approved for the treatment of ovarian cancer, for which bevacizumab is indicated.

The majority of the data used to support approval came from 2 studies – a 3-arm, single-dose pharmacokinetics study, and a comparative clinical study in patients with advanced/metastatic NSCLC. In the pharmacokinetics study, 202 healthy men received an infusion of 3 mg/kg of bevacizumab-awwb, US-approved bevacizumab, or EU-approved bevacizumab. Bevacizumab-awwb was shown to have pharmacokinetic similarity to both approved forms of bevacizumab, and safety and tolerability were comparable, with none of the participants developing binding or neutralizing antidrug antibodies.2

In the clinical study, 648 patients received an infusion of bevacizumab-awwb or EU-approved bevacizumab at a dose of 15 mg/kg every 3 weeks in combination with 6 AUC carboplatin and 200 mg/m2 paclitaxel for 6 cycles. The overall response rate was 39% for bevacizumab-awwb, compared with 41.7% for EU-bevacizumab, and there were 2 complete responses in each group. The median duration of response for bevacizumab-awwb compared with EU-bevacizumab was 5.8 months versus 5.6 months, respectively, and median progression-free survival was 6.6 months versus 7.9 months.3

In terms of safety, the rates of grade 3/4 adverse events (AEs) were 42.9% in the biosimilar arm, compared with 44.3% for the reference drug. Overall, there were no clinically meaningful differences in AEs, serious AEs, deaths, or treatment discontinuations.

The recommended dose for bevacizumab-awwb in patients with mCRC is a 5 mg/kg intravenous dose administered every 2 weeks with bolus-IFL, a 10 mg/kg IV dose administered every 2 weeks with FOLFOX4, or a 5 mg/kg IV dose administered every 2 weeks or 7.5 mg/kg IV dose administered every 3 weeks with fluoropyrimidine-irinotecan or fluoropyrimidine-oxaliplatin-based chemotherapy.

For patients with NSCLC, bevacizumab-awwb should be administered at a 15 mg/kg IV dose every 3 weeks with the carboplatin–paclitaxel combination; for GBM patients, a 10 mg/kg IV dose should be administered every 3 weeks; and for patients with cervical cancer, an IV dose of 15 mg/kg every 3 weeks in combination with paclitaxel–cisplatin or paclitaxel–topotecan is recommended.

The prescribing information outlines warnings and precautions to advise clinicians administering the new biosimilar of the risks of gastrointestinal (GI) perforations, surgery and wound healing complications, and severe and potentially fatal pulmonary, GI, central nervous system, and vaginal bleeding.4

Treatment should be discontinued if GI perforation occurs. Patients should not take bevacizumab-awwb in the 28 days before elective surgery and after surgery until the wound is healed, and treatment should be discontinued if the surgical wound breaks open. Bevacizumab-awwb should not be administered to patients with severe hemorrhage or those with hemoptysis.

Blood pressure should be monitored every 2-3 weeks during treatment and hypertension treated with antihypertensive therapy. Treatment should be temporarily suspended in patients with severe hypertension that is not controlled with antihypertensive therapy and discontinued in patients who experience hypertensive crisis or hypertensive encephalopathy.

Proteinuria should be monitored by dipstick urine analysis during treatment, and patients with a 2+ or greater reading (concentration, 100 mg/dL) should undergo further assessment with 24-hour urine collection. Treatment should be suspended if proteinuria levels are ≥2 g/24h and can be resumed when they fall below that level, but should be discontinued in patients with nephrotic syndrome. Treatment should also be discontinued in patients who develop posterior reversible encephalopathy syndrome, and patients should be advised of the potential for fetal harm

Targeted therapies have revolutionized the treatment of numerous different cancer types and ushered in an era of personalized medicine, yet they can be prohibitively costly. As patent protection expires on many of the first FDA-approved monoclonal antibodies developed for oncologic indications, the doors are opened for other companies to develop their own version of these drugs, known as biosimilars. The price of biosimilars is expected to be considerably lower than the original drugs upon which they are based.

Bevacizumab-awwb, marketed as Mvasi by Amgen and Allergen, became the first such drug to receive approval by the US Food and Drug Administration for the treatment of cancer in fall last year.1 It is a biosimilar of Genentech’s anti-angiogenesis drug, bevacizumab (Avastin), a monoclonal antibody that targets vascular endothelial growth factor-A (VEGF-A).



The approval of biosimilars is based on rigorous demonstration of a high level of similarity between the biosimilar and the already-approved reference drug, in terms of structure, function, pharmacokinetics, pharmacodynamics, and clinical efficacy and safety.

Bevacizumab-awwb was approved for the first- or second-line treatment of metastatic colorectal cancer (mCRC) in combination with 5-fluorouracil-based chemotherapy; the second-line treatment of mCRC in combination with fluoropyrimidine-oxaliplatin chemotherapy in patients who progressed on first-line bevacizumab; the first-line treatment of unresectable, locally advanced, recurrent or metastatic nonsquamous non-small cell lung cancer (NSCLC) in combination with carboplatin and paclitaxel; the second-line treatment of glioblastoma (GBM) as monotherapy; and in patients with persistent, recurrent, or metastatic cervical cancer in combination with paclitaxel and cisplatin or paclitaxel and topotecan. It was not approved for the treatment of ovarian cancer, for which bevacizumab is indicated.

The majority of the data used to support approval came from 2 studies – a 3-arm, single-dose pharmacokinetics study, and a comparative clinical study in patients with advanced/metastatic NSCLC. In the pharmacokinetics study, 202 healthy men received an infusion of 3 mg/kg of bevacizumab-awwb, US-approved bevacizumab, or EU-approved bevacizumab. Bevacizumab-awwb was shown to have pharmacokinetic similarity to both approved forms of bevacizumab, and safety and tolerability were comparable, with none of the participants developing binding or neutralizing antidrug antibodies.2

In the clinical study, 648 patients received an infusion of bevacizumab-awwb or EU-approved bevacizumab at a dose of 15 mg/kg every 3 weeks in combination with 6 AUC carboplatin and 200 mg/m2 paclitaxel for 6 cycles. The overall response rate was 39% for bevacizumab-awwb, compared with 41.7% for EU-bevacizumab, and there were 2 complete responses in each group. The median duration of response for bevacizumab-awwb compared with EU-bevacizumab was 5.8 months versus 5.6 months, respectively, and median progression-free survival was 6.6 months versus 7.9 months.3

In terms of safety, the rates of grade 3/4 adverse events (AEs) were 42.9% in the biosimilar arm, compared with 44.3% for the reference drug. Overall, there were no clinically meaningful differences in AEs, serious AEs, deaths, or treatment discontinuations.

The recommended dose for bevacizumab-awwb in patients with mCRC is a 5 mg/kg intravenous dose administered every 2 weeks with bolus-IFL, a 10 mg/kg IV dose administered every 2 weeks with FOLFOX4, or a 5 mg/kg IV dose administered every 2 weeks or 7.5 mg/kg IV dose administered every 3 weeks with fluoropyrimidine-irinotecan or fluoropyrimidine-oxaliplatin-based chemotherapy.

For patients with NSCLC, bevacizumab-awwb should be administered at a 15 mg/kg IV dose every 3 weeks with the carboplatin–paclitaxel combination; for GBM patients, a 10 mg/kg IV dose should be administered every 3 weeks; and for patients with cervical cancer, an IV dose of 15 mg/kg every 3 weeks in combination with paclitaxel–cisplatin or paclitaxel–topotecan is recommended.

The prescribing information outlines warnings and precautions to advise clinicians administering the new biosimilar of the risks of gastrointestinal (GI) perforations, surgery and wound healing complications, and severe and potentially fatal pulmonary, GI, central nervous system, and vaginal bleeding.4

Treatment should be discontinued if GI perforation occurs. Patients should not take bevacizumab-awwb in the 28 days before elective surgery and after surgery until the wound is healed, and treatment should be discontinued if the surgical wound breaks open. Bevacizumab-awwb should not be administered to patients with severe hemorrhage or those with hemoptysis.

Blood pressure should be monitored every 2-3 weeks during treatment and hypertension treated with antihypertensive therapy. Treatment should be temporarily suspended in patients with severe hypertension that is not controlled with antihypertensive therapy and discontinued in patients who experience hypertensive crisis or hypertensive encephalopathy.

Proteinuria should be monitored by dipstick urine analysis during treatment, and patients with a 2+ or greater reading (concentration, 100 mg/dL) should undergo further assessment with 24-hour urine collection. Treatment should be suspended if proteinuria levels are ≥2 g/24h and can be resumed when they fall below that level, but should be discontinued in patients with nephrotic syndrome. Treatment should also be discontinued in patients who develop posterior reversible encephalopathy syndrome, and patients should be advised of the potential for fetal harm

References

1. FDA approves first biosimilar for the treatment of cancer. FDA News Release. https://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm576112.htm. September 14, 2017. Accessed January 31, 2018. 
2. Markus R, Chow V, Pan X, and Hanes V. A phase I, randomized, single-dose study evaluating the pharmacokinetic equivalence of biosimilar ABP 215 and bevacizumab in healthy adult men. Cancer Chemother. Pharmacol. 2017;80:755-763. 
3. Thatcher N, Thomas M, Ostoros G, et al. Randomized, double-blind, phase 3 study comparing biosimilar candidate ABP-215 with bevacizumab in patients with non-squamous NSCLC. J Thorac Oncol. 2017;12(1):S902-S903.  
4. Mvasi (bevacizumab-awwb) solution, for intravenous infusion. Prescribing information. Amgen Inc, https://www.accessdata.fda.gov/drugsatfda_docs/label/2017/761028s000lbl.pdf. September 2017. Accessed January 31, 2018.

References

1. FDA approves first biosimilar for the treatment of cancer. FDA News Release. https://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm576112.htm. September 14, 2017. Accessed January 31, 2018. 
2. Markus R, Chow V, Pan X, and Hanes V. A phase I, randomized, single-dose study evaluating the pharmacokinetic equivalence of biosimilar ABP 215 and bevacizumab in healthy adult men. Cancer Chemother. Pharmacol. 2017;80:755-763. 
3. Thatcher N, Thomas M, Ostoros G, et al. Randomized, double-blind, phase 3 study comparing biosimilar candidate ABP-215 with bevacizumab in patients with non-squamous NSCLC. J Thorac Oncol. 2017;12(1):S902-S903.  
4. Mvasi (bevacizumab-awwb) solution, for intravenous infusion. Prescribing information. Amgen Inc, https://www.accessdata.fda.gov/drugsatfda_docs/label/2017/761028s000lbl.pdf. September 2017. Accessed January 31, 2018.

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Trastuzumab-dkst approval adds to the biosimilar cancer drug market

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The human epidermal growth factor receptor-2 (HER2)-targeting monoclonal antibody trastuzumab-dkst, was approved by the US Food and Drug Administration in 2017 for the treatment of patients with HER2-positive breast or metastatic gastric or gastroesophageal junction adenocarcinoma.1 Trastuzumab-dkst, marketed as Ogviri by Mylan NV and Biocon Ltd, is a copy, known as a biosimilar, of Genentech’s trastuzumab (Herceptin), which has been approved in the US since 1998. Genentech’s patent on trastuzumab expires in 2018, paving the way for other companies to produce their own versions of this targeted therapy. It becomes the second biosimilar approved for a cancer indication, following approval of a bevacizumab biosimilar earlier last year.



Approval was based on a comparison of the 2 drugs, which demonstrated that there were no clinically meaningful differences between the biosimilar and the reference product (trastuzumab) in terms of structure and function, pharmacokinetics (PKs), pharmacodynamics, and clinical efficacy and safety.

In structural and functional studies, trastuzumab-dkst was shown to have an identical amino acid sequence and a highly similar 3-dimensional structure, as well as equivalency in an inhibition of proliferation assay, a HER2-binding assay, and an antibody-dependent cellular cytotoxicity assay, compared with trastuzumab.

Two nonclinical animal studies were performed in cynomolgus monkeys; a single-dose comparative PK study and a 4-week, repeat-dose toxicity study. That was further supported by data from a single-dose, randomized, double-blind, comparative 3-way PK study (MYL-HER-1002) in which 120 healthy men were given an 8 mg/kg infusion of trastuzumab-dkst, US-approved trastuzumab, or European Union (EU)-approved trastuzumab.

The key clinical study was the phase 3 HERiTAge trial, a 2-part, multicenter, double-blind, randomized, parallel group trial that was performed in patients with HER2-positive metastatic breast cancer who had not been previously treated with either chemotherapy or trastuzumab in the metastatic setting.2

Eligible patients included males or females with measurably HER2-positive disease (as defined by HER2 overexpression determined by immunohistochemistry performed by a central laboratory), no exposure to chemotherapy or trastuzumab in the metastatic setting, an Eastern Cooperative Oncology Group Performance Status of 0 or 2, left ventricular ejection fraction (LVEF) within institutional range of normal, and who had completed adjuvant trastuzumab therapy at least 1 year before.

Patients with central nervous system metastases had to have stable disease after treatment, and hormonal agents were required to be discontinued before the start of the study. Patients with a history of unstable angina, heart failure, myocardial infarction less than 1 year from randomization, other clinically significant cardiac disease, grade 2 or higher peripheral neuropathy, a history of any other cancer within 4 years before screening, or any significant medical illness that increased treatment risk or impeded evaluation, were excluded from the study.

Patients were randomly assigned 1:1 to receive trastuzumab-dkst or trastuzumab, both in combination with paclitaxel or docetaxel, at a loading dose of 8 mg/kg, followed by a maintenance dose of 6 mg/kg, every 3 weeks for a minimum of 7 cycles in part 1 of the study. Patients who had stable disease or better were enrolled in part 2 and continued treatment until disease progression or unacceptable toxicity.

The primary endpoint was overall response rate (ORR) and, after 24 weeks, the ORR was 69.6% in the trastuzumab-dkst arm, compared with 64% in the trastuzumab arm, with a ratio of ORR of 1.09. Progression-free survival was also nearly identical in the 2 groups and median overall survival had not been reached in either arm.

The safety of the biosimilar and reference product were also highly similar. Serious adverse events occurred in 39.3%, compared with 37% of patients, respectively, with neutropenia the most frequently reported in both arms. Overall, treatment-emergent AEs occurred in 96.8%, compared with 94.7% of patients, respectively, with the majority of events mild or moderate in severity in both groups. This study also confirmed the low immunogenicity of the 2 drug products.

The prescribing information details the recommended doses of trastuzumab-dkst for each approved indication and warnings and precautions for cardiomyopathy, infusion reactions, pulmonary toxicity, exacerbation of chemotherapy-induced neutropenia and embryofetal toxicity.3

Patients should undergo thorough cardiac assessments, including baseline LVEF measurement immediately before starting therapy, every 3 months during therapy, and upon completion of therapy. Patients who complete adjuvant therapy should have cardiac assessments every 6 months for at least 2 years. Treatment should be withheld for ≥16% absolute decrease in LVEF from pre-treatment values or an LVEF value below institutional limits of normal and ≥10% absolute decrease in LVEF from pre-treatment values. When treatment is withheld for significant LVEF cardiac dysfunction, patients should undergo cardiac assessment at 4-week intervals.

To combat infusion reactions, infusion should be interrupted in all patients experiencing dyspnea or clinically significant hypotension and medical therapy administered. Patients should be evaluated and monitored carefully until signs and symptoms resolve and permanent discontinuation considered in patients with severe reactions. Patients should be warned of the potential for fetal harm with trastuzumab-dkst and of the need for effective contraceptive use during and for 6 months after treatment

References

1. FDA approves first biosimilar for the treatment of certain breast and stomach cancers. FDA News Release. https://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm587378.htm. December 1, 2017. Accessed January 31, 2018.

2. Rugo HS, Barve A, Waller CF, et al. Effect of a proposed trastuzumab biosimilar compared with trastuzumab on overall response rate in patients with ERBB2 (HER2)-positive metastatic breast cancer: a randomized clinical trial. JAMA. 2017;317(1):37-47.

3. Ogviri (trastuzumab-dkst) injection, for intravenous use. Prescribing information. Mylan, GMBH. https://www.accessdata.fda.gov/drugsatfda_docs/label/2017/761074s000lbl.pdf. December, 2017. Accessed July 31, 2015.

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The human epidermal growth factor receptor-2 (HER2)-targeting monoclonal antibody trastuzumab-dkst, was approved by the US Food and Drug Administration in 2017 for the treatment of patients with HER2-positive breast or metastatic gastric or gastroesophageal junction adenocarcinoma.1 Trastuzumab-dkst, marketed as Ogviri by Mylan NV and Biocon Ltd, is a copy, known as a biosimilar, of Genentech’s trastuzumab (Herceptin), which has been approved in the US since 1998. Genentech’s patent on trastuzumab expires in 2018, paving the way for other companies to produce their own versions of this targeted therapy. It becomes the second biosimilar approved for a cancer indication, following approval of a bevacizumab biosimilar earlier last year.



Approval was based on a comparison of the 2 drugs, which demonstrated that there were no clinically meaningful differences between the biosimilar and the reference product (trastuzumab) in terms of structure and function, pharmacokinetics (PKs), pharmacodynamics, and clinical efficacy and safety.

In structural and functional studies, trastuzumab-dkst was shown to have an identical amino acid sequence and a highly similar 3-dimensional structure, as well as equivalency in an inhibition of proliferation assay, a HER2-binding assay, and an antibody-dependent cellular cytotoxicity assay, compared with trastuzumab.

Two nonclinical animal studies were performed in cynomolgus monkeys; a single-dose comparative PK study and a 4-week, repeat-dose toxicity study. That was further supported by data from a single-dose, randomized, double-blind, comparative 3-way PK study (MYL-HER-1002) in which 120 healthy men were given an 8 mg/kg infusion of trastuzumab-dkst, US-approved trastuzumab, or European Union (EU)-approved trastuzumab.

The key clinical study was the phase 3 HERiTAge trial, a 2-part, multicenter, double-blind, randomized, parallel group trial that was performed in patients with HER2-positive metastatic breast cancer who had not been previously treated with either chemotherapy or trastuzumab in the metastatic setting.2

Eligible patients included males or females with measurably HER2-positive disease (as defined by HER2 overexpression determined by immunohistochemistry performed by a central laboratory), no exposure to chemotherapy or trastuzumab in the metastatic setting, an Eastern Cooperative Oncology Group Performance Status of 0 or 2, left ventricular ejection fraction (LVEF) within institutional range of normal, and who had completed adjuvant trastuzumab therapy at least 1 year before.

Patients with central nervous system metastases had to have stable disease after treatment, and hormonal agents were required to be discontinued before the start of the study. Patients with a history of unstable angina, heart failure, myocardial infarction less than 1 year from randomization, other clinically significant cardiac disease, grade 2 or higher peripheral neuropathy, a history of any other cancer within 4 years before screening, or any significant medical illness that increased treatment risk or impeded evaluation, were excluded from the study.

Patients were randomly assigned 1:1 to receive trastuzumab-dkst or trastuzumab, both in combination with paclitaxel or docetaxel, at a loading dose of 8 mg/kg, followed by a maintenance dose of 6 mg/kg, every 3 weeks for a minimum of 7 cycles in part 1 of the study. Patients who had stable disease or better were enrolled in part 2 and continued treatment until disease progression or unacceptable toxicity.

The primary endpoint was overall response rate (ORR) and, after 24 weeks, the ORR was 69.6% in the trastuzumab-dkst arm, compared with 64% in the trastuzumab arm, with a ratio of ORR of 1.09. Progression-free survival was also nearly identical in the 2 groups and median overall survival had not been reached in either arm.

The safety of the biosimilar and reference product were also highly similar. Serious adverse events occurred in 39.3%, compared with 37% of patients, respectively, with neutropenia the most frequently reported in both arms. Overall, treatment-emergent AEs occurred in 96.8%, compared with 94.7% of patients, respectively, with the majority of events mild or moderate in severity in both groups. This study also confirmed the low immunogenicity of the 2 drug products.

The prescribing information details the recommended doses of trastuzumab-dkst for each approved indication and warnings and precautions for cardiomyopathy, infusion reactions, pulmonary toxicity, exacerbation of chemotherapy-induced neutropenia and embryofetal toxicity.3

Patients should undergo thorough cardiac assessments, including baseline LVEF measurement immediately before starting therapy, every 3 months during therapy, and upon completion of therapy. Patients who complete adjuvant therapy should have cardiac assessments every 6 months for at least 2 years. Treatment should be withheld for ≥16% absolute decrease in LVEF from pre-treatment values or an LVEF value below institutional limits of normal and ≥10% absolute decrease in LVEF from pre-treatment values. When treatment is withheld for significant LVEF cardiac dysfunction, patients should undergo cardiac assessment at 4-week intervals.

To combat infusion reactions, infusion should be interrupted in all patients experiencing dyspnea or clinically significant hypotension and medical therapy administered. Patients should be evaluated and monitored carefully until signs and symptoms resolve and permanent discontinuation considered in patients with severe reactions. Patients should be warned of the potential for fetal harm with trastuzumab-dkst and of the need for effective contraceptive use during and for 6 months after treatment

The human epidermal growth factor receptor-2 (HER2)-targeting monoclonal antibody trastuzumab-dkst, was approved by the US Food and Drug Administration in 2017 for the treatment of patients with HER2-positive breast or metastatic gastric or gastroesophageal junction adenocarcinoma.1 Trastuzumab-dkst, marketed as Ogviri by Mylan NV and Biocon Ltd, is a copy, known as a biosimilar, of Genentech’s trastuzumab (Herceptin), which has been approved in the US since 1998. Genentech’s patent on trastuzumab expires in 2018, paving the way for other companies to produce their own versions of this targeted therapy. It becomes the second biosimilar approved for a cancer indication, following approval of a bevacizumab biosimilar earlier last year.



Approval was based on a comparison of the 2 drugs, which demonstrated that there were no clinically meaningful differences between the biosimilar and the reference product (trastuzumab) in terms of structure and function, pharmacokinetics (PKs), pharmacodynamics, and clinical efficacy and safety.

In structural and functional studies, trastuzumab-dkst was shown to have an identical amino acid sequence and a highly similar 3-dimensional structure, as well as equivalency in an inhibition of proliferation assay, a HER2-binding assay, and an antibody-dependent cellular cytotoxicity assay, compared with trastuzumab.

Two nonclinical animal studies were performed in cynomolgus monkeys; a single-dose comparative PK study and a 4-week, repeat-dose toxicity study. That was further supported by data from a single-dose, randomized, double-blind, comparative 3-way PK study (MYL-HER-1002) in which 120 healthy men were given an 8 mg/kg infusion of trastuzumab-dkst, US-approved trastuzumab, or European Union (EU)-approved trastuzumab.

The key clinical study was the phase 3 HERiTAge trial, a 2-part, multicenter, double-blind, randomized, parallel group trial that was performed in patients with HER2-positive metastatic breast cancer who had not been previously treated with either chemotherapy or trastuzumab in the metastatic setting.2

Eligible patients included males or females with measurably HER2-positive disease (as defined by HER2 overexpression determined by immunohistochemistry performed by a central laboratory), no exposure to chemotherapy or trastuzumab in the metastatic setting, an Eastern Cooperative Oncology Group Performance Status of 0 or 2, left ventricular ejection fraction (LVEF) within institutional range of normal, and who had completed adjuvant trastuzumab therapy at least 1 year before.

Patients with central nervous system metastases had to have stable disease after treatment, and hormonal agents were required to be discontinued before the start of the study. Patients with a history of unstable angina, heart failure, myocardial infarction less than 1 year from randomization, other clinically significant cardiac disease, grade 2 or higher peripheral neuropathy, a history of any other cancer within 4 years before screening, or any significant medical illness that increased treatment risk or impeded evaluation, were excluded from the study.

Patients were randomly assigned 1:1 to receive trastuzumab-dkst or trastuzumab, both in combination with paclitaxel or docetaxel, at a loading dose of 8 mg/kg, followed by a maintenance dose of 6 mg/kg, every 3 weeks for a minimum of 7 cycles in part 1 of the study. Patients who had stable disease or better were enrolled in part 2 and continued treatment until disease progression or unacceptable toxicity.

The primary endpoint was overall response rate (ORR) and, after 24 weeks, the ORR was 69.6% in the trastuzumab-dkst arm, compared with 64% in the trastuzumab arm, with a ratio of ORR of 1.09. Progression-free survival was also nearly identical in the 2 groups and median overall survival had not been reached in either arm.

The safety of the biosimilar and reference product were also highly similar. Serious adverse events occurred in 39.3%, compared with 37% of patients, respectively, with neutropenia the most frequently reported in both arms. Overall, treatment-emergent AEs occurred in 96.8%, compared with 94.7% of patients, respectively, with the majority of events mild or moderate in severity in both groups. This study also confirmed the low immunogenicity of the 2 drug products.

The prescribing information details the recommended doses of trastuzumab-dkst for each approved indication and warnings and precautions for cardiomyopathy, infusion reactions, pulmonary toxicity, exacerbation of chemotherapy-induced neutropenia and embryofetal toxicity.3

Patients should undergo thorough cardiac assessments, including baseline LVEF measurement immediately before starting therapy, every 3 months during therapy, and upon completion of therapy. Patients who complete adjuvant therapy should have cardiac assessments every 6 months for at least 2 years. Treatment should be withheld for ≥16% absolute decrease in LVEF from pre-treatment values or an LVEF value below institutional limits of normal and ≥10% absolute decrease in LVEF from pre-treatment values. When treatment is withheld for significant LVEF cardiac dysfunction, patients should undergo cardiac assessment at 4-week intervals.

To combat infusion reactions, infusion should be interrupted in all patients experiencing dyspnea or clinically significant hypotension and medical therapy administered. Patients should be evaluated and monitored carefully until signs and symptoms resolve and permanent discontinuation considered in patients with severe reactions. Patients should be warned of the potential for fetal harm with trastuzumab-dkst and of the need for effective contraceptive use during and for 6 months after treatment

References

1. FDA approves first biosimilar for the treatment of certain breast and stomach cancers. FDA News Release. https://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm587378.htm. December 1, 2017. Accessed January 31, 2018.

2. Rugo HS, Barve A, Waller CF, et al. Effect of a proposed trastuzumab biosimilar compared with trastuzumab on overall response rate in patients with ERBB2 (HER2)-positive metastatic breast cancer: a randomized clinical trial. JAMA. 2017;317(1):37-47.

3. Ogviri (trastuzumab-dkst) injection, for intravenous use. Prescribing information. Mylan, GMBH. https://www.accessdata.fda.gov/drugsatfda_docs/label/2017/761074s000lbl.pdf. December, 2017. Accessed July 31, 2015.

References

1. FDA approves first biosimilar for the treatment of certain breast and stomach cancers. FDA News Release. https://www.fda.gov/NewsEvents/Newsroom/PressAnnouncements/ucm587378.htm. December 1, 2017. Accessed January 31, 2018.

2. Rugo HS, Barve A, Waller CF, et al. Effect of a proposed trastuzumab biosimilar compared with trastuzumab on overall response rate in patients with ERBB2 (HER2)-positive metastatic breast cancer: a randomized clinical trial. JAMA. 2017;317(1):37-47.

3. Ogviri (trastuzumab-dkst) injection, for intravenous use. Prescribing information. Mylan, GMBH. https://www.accessdata.fda.gov/drugsatfda_docs/label/2017/761074s000lbl.pdf. December, 2017. Accessed July 31, 2015.

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Biosimilars: same ol’ – but with a suffix, and cheaper

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Biosimilars have arrived, and chances are that you’re already prescribing them. Last September, the US Food and Drug Administration (FDA) approved the first cancer-specific biosimilar, bevacizumab-awwb, for multiple cancer types (p. e60);1 and in November, it approved trastuzumab-dkst for HER2-positive breast and gastrointestinal cancers (p. e63).1 Briefly, biosimilars are biologic products that show comparable quality, efficacy, and safety to an existing, approved biologic known as the reference product.

Small-molecule drugs such as aspirin are easy to replicate identically, whereas biosimilars are large, complex proteins that are manufactured in nature’s factory, a micro-organism or biologic cell.2 The manufacturing process must be nearly identical to that for the reference product, so that only insignificant/nonclinically significant impurities occur in the final product. The protein-amino acid sequence is key and must therefore be identical. The 2010 Biologics Price Competition and Innovation Act established an abbreviated pathway for the FDA to consider and approve biosimilars, and 5 years later, the bone marrow stimulant filgrastim-sndz became the first biosimilar approved for use in the United States.3 The development of biosimilars is not inexpensive. The law and the FDA approval system require preclinical and phase 1 testing, and a robust phase 3 trial against the reference product to demonstrate that safety and efficacy are statistically not different and that any chemical differences between the biosimilar and reference product are clinically and safety or immunogenically insignificant. When those criteria have been met, and the biosimilar approved, the clinical and cost benefits to patients could be significant. In general, the cost of a biosimilar is about 20% to 30% lower than that of the reference product.

Biosimilarity does not yet allow interchangeability. Small-molecule generics under FDA regulations are interchangeable in the drug store and the hospital without the prescriber or patient being aware. That is not yet the case with biosimilars, but their lower prices could have a notable impact on overall cost of care. In 2013, 7 of the top 8 best-selling drugs in the global market were biologics.4 Three of the top 8 – rituximab, trastuzumab, and bevacizumab – were used to treat cancer, and 1 (pegfilgrastim) was for therapy-related neutropenia. Their total cost was US$27 billion. Biosimilars of those therapies could significantly lower that amount.

Nabhan and colleagues interviewed 510 US-based community oncologists about their understanding of biosimilars. They found that only 29% of respondents said they prescribed filgrastim-sndz for supportive care by personal choice, but upward of 73% said they would prescribe biosimilars for the active anticancer therapies, trastuzumab and bevacizumab. There’s no question that biosimilars are here to stay. The requirements to make them have been well worked out. Their safety and efficacy therefore can be assured, and their lower prices promise cost savings for patients and society as a whole.

References

1. Bosserman L. Cancer care in 2017: the promise of more cures with the challenges of an unstable health care system. https://www. mdedge.com/jcso/article/154559/cancer-care-2017-promise-morecures- challenges-unstable-health-care-system. December 15, 2017. Accessed April 23, 2018.

2. Biosimilar and interchangeable products. FDA website. https://www. fda.gov/Drugs/DevelopmentApprovalProcess/HowDrugsare DevelopedandApproved/ApprovalApplications/Therapeutic BiologicApplications/Biosimilars/ucm580419.htm#biological. Last updated October 23, 2017. Accessed April 25, 2018.

3. de Lartigue J. Filgrastim-sndz debuts as the first biosimilar approved in United States. https://www.mdedge.com/jcso/article/105177/patientsurvivor- care/filgrastim-sndz-debuts-first-biosimilar-approved-united. Published December 2015. Accessed April 23, 2018.

4 . The Dish. Biologics still on top in best selling drugs of 2013. http:// cellculturedish.com/2014/03/top-ten-biologics-2013-us-pharmaceutical- sales-2/. March 13, 2014. Accessed April 26, 2018.

5. Nabhan C, Jeune-Smith Y, Valley A, Feinberg BA. Community Oncologists’ Perception and Acceptance of Biosimilars in Oncology. https://www.journalofclinicalpathways.com/article/communityoncologists- perception-and-acceptance-biosimilars-oncology. Published March 2018. Accessed April 24, 2018.

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Biosimilars have arrived, and chances are that you’re already prescribing them. Last September, the US Food and Drug Administration (FDA) approved the first cancer-specific biosimilar, bevacizumab-awwb, for multiple cancer types (p. e60);1 and in November, it approved trastuzumab-dkst for HER2-positive breast and gastrointestinal cancers (p. e63).1 Briefly, biosimilars are biologic products that show comparable quality, efficacy, and safety to an existing, approved biologic known as the reference product.

Small-molecule drugs such as aspirin are easy to replicate identically, whereas biosimilars are large, complex proteins that are manufactured in nature’s factory, a micro-organism or biologic cell.2 The manufacturing process must be nearly identical to that for the reference product, so that only insignificant/nonclinically significant impurities occur in the final product. The protein-amino acid sequence is key and must therefore be identical. The 2010 Biologics Price Competition and Innovation Act established an abbreviated pathway for the FDA to consider and approve biosimilars, and 5 years later, the bone marrow stimulant filgrastim-sndz became the first biosimilar approved for use in the United States.3 The development of biosimilars is not inexpensive. The law and the FDA approval system require preclinical and phase 1 testing, and a robust phase 3 trial against the reference product to demonstrate that safety and efficacy are statistically not different and that any chemical differences between the biosimilar and reference product are clinically and safety or immunogenically insignificant. When those criteria have been met, and the biosimilar approved, the clinical and cost benefits to patients could be significant. In general, the cost of a biosimilar is about 20% to 30% lower than that of the reference product.

Biosimilarity does not yet allow interchangeability. Small-molecule generics under FDA regulations are interchangeable in the drug store and the hospital without the prescriber or patient being aware. That is not yet the case with biosimilars, but their lower prices could have a notable impact on overall cost of care. In 2013, 7 of the top 8 best-selling drugs in the global market were biologics.4 Three of the top 8 – rituximab, trastuzumab, and bevacizumab – were used to treat cancer, and 1 (pegfilgrastim) was for therapy-related neutropenia. Their total cost was US$27 billion. Biosimilars of those therapies could significantly lower that amount.

Nabhan and colleagues interviewed 510 US-based community oncologists about their understanding of biosimilars. They found that only 29% of respondents said they prescribed filgrastim-sndz for supportive care by personal choice, but upward of 73% said they would prescribe biosimilars for the active anticancer therapies, trastuzumab and bevacizumab. There’s no question that biosimilars are here to stay. The requirements to make them have been well worked out. Their safety and efficacy therefore can be assured, and their lower prices promise cost savings for patients and society as a whole.

Biosimilars have arrived, and chances are that you’re already prescribing them. Last September, the US Food and Drug Administration (FDA) approved the first cancer-specific biosimilar, bevacizumab-awwb, for multiple cancer types (p. e60);1 and in November, it approved trastuzumab-dkst for HER2-positive breast and gastrointestinal cancers (p. e63).1 Briefly, biosimilars are biologic products that show comparable quality, efficacy, and safety to an existing, approved biologic known as the reference product.

Small-molecule drugs such as aspirin are easy to replicate identically, whereas biosimilars are large, complex proteins that are manufactured in nature’s factory, a micro-organism or biologic cell.2 The manufacturing process must be nearly identical to that for the reference product, so that only insignificant/nonclinically significant impurities occur in the final product. The protein-amino acid sequence is key and must therefore be identical. The 2010 Biologics Price Competition and Innovation Act established an abbreviated pathway for the FDA to consider and approve biosimilars, and 5 years later, the bone marrow stimulant filgrastim-sndz became the first biosimilar approved for use in the United States.3 The development of biosimilars is not inexpensive. The law and the FDA approval system require preclinical and phase 1 testing, and a robust phase 3 trial against the reference product to demonstrate that safety and efficacy are statistically not different and that any chemical differences between the biosimilar and reference product are clinically and safety or immunogenically insignificant. When those criteria have been met, and the biosimilar approved, the clinical and cost benefits to patients could be significant. In general, the cost of a biosimilar is about 20% to 30% lower than that of the reference product.

Biosimilarity does not yet allow interchangeability. Small-molecule generics under FDA regulations are interchangeable in the drug store and the hospital without the prescriber or patient being aware. That is not yet the case with biosimilars, but their lower prices could have a notable impact on overall cost of care. In 2013, 7 of the top 8 best-selling drugs in the global market were biologics.4 Three of the top 8 – rituximab, trastuzumab, and bevacizumab – were used to treat cancer, and 1 (pegfilgrastim) was for therapy-related neutropenia. Their total cost was US$27 billion. Biosimilars of those therapies could significantly lower that amount.

Nabhan and colleagues interviewed 510 US-based community oncologists about their understanding of biosimilars. They found that only 29% of respondents said they prescribed filgrastim-sndz for supportive care by personal choice, but upward of 73% said they would prescribe biosimilars for the active anticancer therapies, trastuzumab and bevacizumab. There’s no question that biosimilars are here to stay. The requirements to make them have been well worked out. Their safety and efficacy therefore can be assured, and their lower prices promise cost savings for patients and society as a whole.

References

1. Bosserman L. Cancer care in 2017: the promise of more cures with the challenges of an unstable health care system. https://www. mdedge.com/jcso/article/154559/cancer-care-2017-promise-morecures- challenges-unstable-health-care-system. December 15, 2017. Accessed April 23, 2018.

2. Biosimilar and interchangeable products. FDA website. https://www. fda.gov/Drugs/DevelopmentApprovalProcess/HowDrugsare DevelopedandApproved/ApprovalApplications/Therapeutic BiologicApplications/Biosimilars/ucm580419.htm#biological. Last updated October 23, 2017. Accessed April 25, 2018.

3. de Lartigue J. Filgrastim-sndz debuts as the first biosimilar approved in United States. https://www.mdedge.com/jcso/article/105177/patientsurvivor- care/filgrastim-sndz-debuts-first-biosimilar-approved-united. Published December 2015. Accessed April 23, 2018.

4 . The Dish. Biologics still on top in best selling drugs of 2013. http:// cellculturedish.com/2014/03/top-ten-biologics-2013-us-pharmaceutical- sales-2/. March 13, 2014. Accessed April 26, 2018.

5. Nabhan C, Jeune-Smith Y, Valley A, Feinberg BA. Community Oncologists’ Perception and Acceptance of Biosimilars in Oncology. https://www.journalofclinicalpathways.com/article/communityoncologists- perception-and-acceptance-biosimilars-oncology. Published March 2018. Accessed April 24, 2018.

References

1. Bosserman L. Cancer care in 2017: the promise of more cures with the challenges of an unstable health care system. https://www. mdedge.com/jcso/article/154559/cancer-care-2017-promise-morecures- challenges-unstable-health-care-system. December 15, 2017. Accessed April 23, 2018.

2. Biosimilar and interchangeable products. FDA website. https://www. fda.gov/Drugs/DevelopmentApprovalProcess/HowDrugsare DevelopedandApproved/ApprovalApplications/Therapeutic BiologicApplications/Biosimilars/ucm580419.htm#biological. Last updated October 23, 2017. Accessed April 25, 2018.

3. de Lartigue J. Filgrastim-sndz debuts as the first biosimilar approved in United States. https://www.mdedge.com/jcso/article/105177/patientsurvivor- care/filgrastim-sndz-debuts-first-biosimilar-approved-united. Published December 2015. Accessed April 23, 2018.

4 . The Dish. Biologics still on top in best selling drugs of 2013. http:// cellculturedish.com/2014/03/top-ten-biologics-2013-us-pharmaceutical- sales-2/. March 13, 2014. Accessed April 26, 2018.

5. Nabhan C, Jeune-Smith Y, Valley A, Feinberg BA. Community Oncologists’ Perception and Acceptance of Biosimilars in Oncology. https://www.journalofclinicalpathways.com/article/communityoncologists- perception-and-acceptance-biosimilars-oncology. Published March 2018. Accessed April 24, 2018.

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Isolated ocular metastases from lung cancer

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Non–small cell lung cancer constitutes 80%-85% of lung cancers, and 40% of NSCLC are adenocarcinoma. It is rare to find intraocular metastasis from lung cancer. In this article, we present the case of a patient who presented with complaints of diminished vision redness of the eye and was found to have intra-ocular metastases from lung cancer.

Case presentation and summary

A 60-year-old man with a 40-pack per year history of smoking presented to multiple ophthalmologists with complaints of decreased vision and redness of the left eye. He was eventually evaluated by an ophthalmologist who performed a biopsy of the anterior chamber of the eye. Histologic findings were consistent with adenocarcinoma of lung primary (Figures 1 and 2).



After the diagnosis, a chest X-ray showed that the patient had a left lower lung mass. The results of his physical exam were all within normal limits, with the exception of decreased visual acuity in the left eye. The results of his laboratory studies, including complete blood count and serum chemistries, were also within normal limits. Imaging studies – including a computed-tomography (CT) scan of the chest, abdomen, and pelvis and a full-body positron-emission tomography–CT scan – showed a hypermetabolic left lower lobe mass 4.5 cm and right lower paratracheal lymph node metastasis 2 cm with a small focus of increased uptake alone the medial aspect of the left globe (Figures 3 and 4).

An MRI orbit was performed in an attempt to better characterize the left eye mass, but no optic lesion was identified. A biopsy of the left lower lung mass was consistent with non–small-cell lung cancer (NSCLC). Aside from the isolated left eye metastases, the patient did not have evidence of other distant metastatic involvement.





He was started on palliative chemotherapy on a clinical trial and received intravenous carboplatin AUC 6, pemetrexed 500 mg/m2, and bevacizumab 15 mg/kg every 3 weeks. He received 1 dose intraocular bevacizumab injection before initiation of systemic chemotherapy as he was symptomatic from the intraocular metastases. Within 2 weeks after intravitreal bevacizumab was administered, the patient had subjective improvement in vision. Mutational analysis to identify if the patient would benefit from targeted therapy showed no presence of EGFR mutation and ALK gene rearrangement, and that the patient was K-RAS mutant.

After treatment initiation, interval imaging studies (a computed-tomography scan of the chest, abdomen, pelvis; and magnetic-resonance imaging of the brain) after 3 cycles showed no evidence of disease progression, and after 4 cycles of chemotherapy with these drugs, the patient was started on maintenance chemotherapy with bevacizumab 15 mg/kg and pemetrexed 500 mg/m2.
 

Discussion

Choroidal metastasis is the most common site of intraocular tumor. In an autopsy study of 230 patients with carcinoma, 12% of cases demonstrated histologic evidence of ocular metastasis.1 A retrospective series of patients with malignant involvement of the eye, 66% of patients had a known history of primary cancer and in 34% of patients the ocular tumor was the first sign of cancer.2 The most common cancers that were found to have ocular metastasis were lung and breast cancer.2 Adenocarcinoma was the most common histologic type of lung cancer to result in ocular metastases and was seen in 41% of patients.3

Decreased or blurred vision with redness as the primary complaint of NSCLC is rare. Only a few case reports are available. Abundo and colleagues reported that 0.7%-12% of patients with lung cancer develop ocular metastases.4 Therefore, routine ophthalmologic screening for ocular metastases in patients with cancer has not been pursued in asymptomatic patients.5 Ophthalmological evaluation is recommended in symptomatic patients.

Metastatic involvement of two or more other organs was found to be a risk factor for development of choroidal metastasis in patients with lung cancer though in our patient no evidence of other organ involvement was found.5 The most common site of metastases in patients with NSCLC with ocular metastases was found to be the liver. Choroidal metastases was reported to be the sixth common site of metastases in patients with lung cancer.5

Treatment of ocular manifestations has been generally confined to surgical resection or radiation therapy, but advances in chemotherapy and development of novel targeted agents have shown promising results.7 Median life expectancy after a diagnosis of uveal metastases was reported to be 12 months in a retrospective study, which is similar to the reported median survival in metastatic NSCLC.8

Our patient was enrolled in a clinical trial and was treated with a regimen of carboplatin, paclitaxel, and bevacizumab. On presentation, he had significant impairment of vision with pain. He was treated with intravitreal bevacizumab yielding improvement in his visual symptoms. Bevacizumab is a vascular endothelial growth factor receptor monoclonal antibody approved for use in patients with metastatic lung cancer. Other pathways that have been reported in development of lung cancer involve the ALK gene translocation, and EGFR and K-RAS mutations, and targeted therapy has shown good results in cancer patients with these molecular defects. Randomized clinical trials in patients with advanced NSCLC and an EGFR mutation have shown significant improvement in overall survival with the use of erlotinib, a tyrosine kinase inhibitor targeting the epidermal growth factor receptor.9 Similarly, crizotinib has shown promising results in patients with metastatic NSCLC who have ELM-ALK rearrangement.10 As our patient’s tumor did not have either of these mutations, he was initiated on chemotherapy with bevacizumab. The presence of a K-RAS mutation in this patient further supported the use of front-line chemotherapy given that it may confer resistance against agents that target the EGFR pathway.

In our review of the literature, we found cases of patients with ocular metastases who responded well to therapy with targeted agents (Table).



Singh and colleagues did a systematic review of 55 cases of patients with lung cancer and choroidal metastases and found that the type of therapy depended on when the diagnosis had been made in relation to the advent of targeted therapy: cases diagnosed before targeted therapy had received radiation therapy or enucleation.6 As far as we could ascertain, there have been no randomized studies evaluating the impact of various targeted therapies or systemic chemotherapy on ocular metastases, although case reports have documented improvement in vision and regression of metastases with such therapy.
 

 

 

Conclusion

The goal of therapy in metastatic lung cancer is palliation of symptoms and improvement in patient quality of life with prolongation in overall survival. The newer targeted chemotherapeutic agents assist in achieving these goals and may decrease the morbidity associated from radiation or surgery with improvement in vision and regression of ocular metastatic lesions. Targeted therapies should be considered in the treatment of patients with ocular metastases from NSCLC.

References

1. Bloch RS, Gartner S. The incidence of ocular metastatic carcinoma. Arch Ophthalmol-Chic. 1971;85(6):673-675.

2. Shields CL, Shields JA, Gross NE, Schwartz GP, Lally SE. Survey of 520 eyes with uveal metastases. Ophthalmology. 1997;104(8):1265-1276.

3. Kreusel KM, Bechrakis NE, Wiegel T, Krause L, Foerster MH. Incidence and clinical characteristics of symptomatic choroidal metastasis from lung cancer. Acta Ophthalmol. 2008;86(5):515-519.

4. Abundo RE, Orenic CJ, Anderson SF, Townsend JC. Choroidal metastases resulting from carcinoma of the lung. J Am Optom Assoc. 1997;68(2):95-108.

5. Kreusel KM, Wiegel T, Stange M, Bornfeld N, Hinkelbein W, Foerster MH. Choroidal metastasis in disseminated lung cancer: frequency and risk factors. Am J Ophthalmol. 2002;134(3):445-447.

6. Singh N, Kulkarni P, Aggarwal AN, et al. Choroidal metastasis as a presenting manifestation of lung cancer: a report of 3 cases and systematic review of the literature. Medicine (Baltimore). 2012;91(4):179-194.

7. Chen CJ, McCoy AN, Brahmer J, Handa JT. Emerging treatments for choroidal metastases. Surv Ophthalmol. 2011;56(6):511-521.

8. Shah SU, Mashayekhi A, Shields CL, et al. Uveal metastasis from lung cancer: clinical features, treatment, and outcome in 194 patients. Ophthalmology. 2014;121(1):352-357.

9. Shepherd FA, Rodrigues Pereira J, Ciuleanu T, et al. Erlotinib in previously treated non-small-cell lung cancer. N Engl J Med. 2005;353(2):123-132.

10. Shaw AT, Kim DW, Nakagawa K, et al. Crizotinib versus chemotherapy in advanced ALK-positive lung cancer. N Engl J Med. 2013;368(25):2385-2394.

11. Kim SW, Kim MJ, Huh K, Oh J. Complete regression of choroidal metastasis secondary to non-small-cell lung cancer with intravitreal bevacizumab and oral erlotinib combination therapy. Ophthalmologica. 2009;223(6):411-413.

12. George B, Wirostko WJ, Connor TB, Choong NW. Complete and durable response of choroid metastasis from non-small cell lung cancer with systemic bevacizumab and chemotherapy. J Thorac Oncol. 2009;4(5):661-662.

13. Inoue M, Watanabe Y, Yamane S, et al. Choroidal metastasis with adenocarcinoma of the lung treated with gefitinib. Eur J Ophthalmol. 2010;20(5):963-965.

14. Shimomura I, Tada Y, Miura G, et al. Choroidal metastasis of non-small cell lung cancer that responded to gefitinib. https://www.hindawi.com/journals/criopm/2013/213124/. Published 2013. Accessed May 4, 2017.

15. Feng Y, Singh AD, Lanigan C, Tubbs RR, Ma PC. Choroidal metastases responsive to crizotinib therapy in a lung adenocarcinoma patient with ALK 2p23 fusion identified by ALK immunohistochemistry. J Thorac Oncol. 2013;8(12):e109-111.

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Non–small cell lung cancer constitutes 80%-85% of lung cancers, and 40% of NSCLC are adenocarcinoma. It is rare to find intraocular metastasis from lung cancer. In this article, we present the case of a patient who presented with complaints of diminished vision redness of the eye and was found to have intra-ocular metastases from lung cancer.

Case presentation and summary

A 60-year-old man with a 40-pack per year history of smoking presented to multiple ophthalmologists with complaints of decreased vision and redness of the left eye. He was eventually evaluated by an ophthalmologist who performed a biopsy of the anterior chamber of the eye. Histologic findings were consistent with adenocarcinoma of lung primary (Figures 1 and 2).



After the diagnosis, a chest X-ray showed that the patient had a left lower lung mass. The results of his physical exam were all within normal limits, with the exception of decreased visual acuity in the left eye. The results of his laboratory studies, including complete blood count and serum chemistries, were also within normal limits. Imaging studies – including a computed-tomography (CT) scan of the chest, abdomen, and pelvis and a full-body positron-emission tomography–CT scan – showed a hypermetabolic left lower lobe mass 4.5 cm and right lower paratracheal lymph node metastasis 2 cm with a small focus of increased uptake alone the medial aspect of the left globe (Figures 3 and 4).

An MRI orbit was performed in an attempt to better characterize the left eye mass, but no optic lesion was identified. A biopsy of the left lower lung mass was consistent with non–small-cell lung cancer (NSCLC). Aside from the isolated left eye metastases, the patient did not have evidence of other distant metastatic involvement.





He was started on palliative chemotherapy on a clinical trial and received intravenous carboplatin AUC 6, pemetrexed 500 mg/m2, and bevacizumab 15 mg/kg every 3 weeks. He received 1 dose intraocular bevacizumab injection before initiation of systemic chemotherapy as he was symptomatic from the intraocular metastases. Within 2 weeks after intravitreal bevacizumab was administered, the patient had subjective improvement in vision. Mutational analysis to identify if the patient would benefit from targeted therapy showed no presence of EGFR mutation and ALK gene rearrangement, and that the patient was K-RAS mutant.

After treatment initiation, interval imaging studies (a computed-tomography scan of the chest, abdomen, pelvis; and magnetic-resonance imaging of the brain) after 3 cycles showed no evidence of disease progression, and after 4 cycles of chemotherapy with these drugs, the patient was started on maintenance chemotherapy with bevacizumab 15 mg/kg and pemetrexed 500 mg/m2.
 

Discussion

Choroidal metastasis is the most common site of intraocular tumor. In an autopsy study of 230 patients with carcinoma, 12% of cases demonstrated histologic evidence of ocular metastasis.1 A retrospective series of patients with malignant involvement of the eye, 66% of patients had a known history of primary cancer and in 34% of patients the ocular tumor was the first sign of cancer.2 The most common cancers that were found to have ocular metastasis were lung and breast cancer.2 Adenocarcinoma was the most common histologic type of lung cancer to result in ocular metastases and was seen in 41% of patients.3

Decreased or blurred vision with redness as the primary complaint of NSCLC is rare. Only a few case reports are available. Abundo and colleagues reported that 0.7%-12% of patients with lung cancer develop ocular metastases.4 Therefore, routine ophthalmologic screening for ocular metastases in patients with cancer has not been pursued in asymptomatic patients.5 Ophthalmological evaluation is recommended in symptomatic patients.

Metastatic involvement of two or more other organs was found to be a risk factor for development of choroidal metastasis in patients with lung cancer though in our patient no evidence of other organ involvement was found.5 The most common site of metastases in patients with NSCLC with ocular metastases was found to be the liver. Choroidal metastases was reported to be the sixth common site of metastases in patients with lung cancer.5

Treatment of ocular manifestations has been generally confined to surgical resection or radiation therapy, but advances in chemotherapy and development of novel targeted agents have shown promising results.7 Median life expectancy after a diagnosis of uveal metastases was reported to be 12 months in a retrospective study, which is similar to the reported median survival in metastatic NSCLC.8

Our patient was enrolled in a clinical trial and was treated with a regimen of carboplatin, paclitaxel, and bevacizumab. On presentation, he had significant impairment of vision with pain. He was treated with intravitreal bevacizumab yielding improvement in his visual symptoms. Bevacizumab is a vascular endothelial growth factor receptor monoclonal antibody approved for use in patients with metastatic lung cancer. Other pathways that have been reported in development of lung cancer involve the ALK gene translocation, and EGFR and K-RAS mutations, and targeted therapy has shown good results in cancer patients with these molecular defects. Randomized clinical trials in patients with advanced NSCLC and an EGFR mutation have shown significant improvement in overall survival with the use of erlotinib, a tyrosine kinase inhibitor targeting the epidermal growth factor receptor.9 Similarly, crizotinib has shown promising results in patients with metastatic NSCLC who have ELM-ALK rearrangement.10 As our patient’s tumor did not have either of these mutations, he was initiated on chemotherapy with bevacizumab. The presence of a K-RAS mutation in this patient further supported the use of front-line chemotherapy given that it may confer resistance against agents that target the EGFR pathway.

In our review of the literature, we found cases of patients with ocular metastases who responded well to therapy with targeted agents (Table).



Singh and colleagues did a systematic review of 55 cases of patients with lung cancer and choroidal metastases and found that the type of therapy depended on when the diagnosis had been made in relation to the advent of targeted therapy: cases diagnosed before targeted therapy had received radiation therapy or enucleation.6 As far as we could ascertain, there have been no randomized studies evaluating the impact of various targeted therapies or systemic chemotherapy on ocular metastases, although case reports have documented improvement in vision and regression of metastases with such therapy.
 

 

 

Conclusion

The goal of therapy in metastatic lung cancer is palliation of symptoms and improvement in patient quality of life with prolongation in overall survival. The newer targeted chemotherapeutic agents assist in achieving these goals and may decrease the morbidity associated from radiation or surgery with improvement in vision and regression of ocular metastatic lesions. Targeted therapies should be considered in the treatment of patients with ocular metastases from NSCLC.

Non–small cell lung cancer constitutes 80%-85% of lung cancers, and 40% of NSCLC are adenocarcinoma. It is rare to find intraocular metastasis from lung cancer. In this article, we present the case of a patient who presented with complaints of diminished vision redness of the eye and was found to have intra-ocular metastases from lung cancer.

Case presentation and summary

A 60-year-old man with a 40-pack per year history of smoking presented to multiple ophthalmologists with complaints of decreased vision and redness of the left eye. He was eventually evaluated by an ophthalmologist who performed a biopsy of the anterior chamber of the eye. Histologic findings were consistent with adenocarcinoma of lung primary (Figures 1 and 2).



After the diagnosis, a chest X-ray showed that the patient had a left lower lung mass. The results of his physical exam were all within normal limits, with the exception of decreased visual acuity in the left eye. The results of his laboratory studies, including complete blood count and serum chemistries, were also within normal limits. Imaging studies – including a computed-tomography (CT) scan of the chest, abdomen, and pelvis and a full-body positron-emission tomography–CT scan – showed a hypermetabolic left lower lobe mass 4.5 cm and right lower paratracheal lymph node metastasis 2 cm with a small focus of increased uptake alone the medial aspect of the left globe (Figures 3 and 4).

An MRI orbit was performed in an attempt to better characterize the left eye mass, but no optic lesion was identified. A biopsy of the left lower lung mass was consistent with non–small-cell lung cancer (NSCLC). Aside from the isolated left eye metastases, the patient did not have evidence of other distant metastatic involvement.





He was started on palliative chemotherapy on a clinical trial and received intravenous carboplatin AUC 6, pemetrexed 500 mg/m2, and bevacizumab 15 mg/kg every 3 weeks. He received 1 dose intraocular bevacizumab injection before initiation of systemic chemotherapy as he was symptomatic from the intraocular metastases. Within 2 weeks after intravitreal bevacizumab was administered, the patient had subjective improvement in vision. Mutational analysis to identify if the patient would benefit from targeted therapy showed no presence of EGFR mutation and ALK gene rearrangement, and that the patient was K-RAS mutant.

After treatment initiation, interval imaging studies (a computed-tomography scan of the chest, abdomen, pelvis; and magnetic-resonance imaging of the brain) after 3 cycles showed no evidence of disease progression, and after 4 cycles of chemotherapy with these drugs, the patient was started on maintenance chemotherapy with bevacizumab 15 mg/kg and pemetrexed 500 mg/m2.
 

Discussion

Choroidal metastasis is the most common site of intraocular tumor. In an autopsy study of 230 patients with carcinoma, 12% of cases demonstrated histologic evidence of ocular metastasis.1 A retrospective series of patients with malignant involvement of the eye, 66% of patients had a known history of primary cancer and in 34% of patients the ocular tumor was the first sign of cancer.2 The most common cancers that were found to have ocular metastasis were lung and breast cancer.2 Adenocarcinoma was the most common histologic type of lung cancer to result in ocular metastases and was seen in 41% of patients.3

Decreased or blurred vision with redness as the primary complaint of NSCLC is rare. Only a few case reports are available. Abundo and colleagues reported that 0.7%-12% of patients with lung cancer develop ocular metastases.4 Therefore, routine ophthalmologic screening for ocular metastases in patients with cancer has not been pursued in asymptomatic patients.5 Ophthalmological evaluation is recommended in symptomatic patients.

Metastatic involvement of two or more other organs was found to be a risk factor for development of choroidal metastasis in patients with lung cancer though in our patient no evidence of other organ involvement was found.5 The most common site of metastases in patients with NSCLC with ocular metastases was found to be the liver. Choroidal metastases was reported to be the sixth common site of metastases in patients with lung cancer.5

Treatment of ocular manifestations has been generally confined to surgical resection or radiation therapy, but advances in chemotherapy and development of novel targeted agents have shown promising results.7 Median life expectancy after a diagnosis of uveal metastases was reported to be 12 months in a retrospective study, which is similar to the reported median survival in metastatic NSCLC.8

Our patient was enrolled in a clinical trial and was treated with a regimen of carboplatin, paclitaxel, and bevacizumab. On presentation, he had significant impairment of vision with pain. He was treated with intravitreal bevacizumab yielding improvement in his visual symptoms. Bevacizumab is a vascular endothelial growth factor receptor monoclonal antibody approved for use in patients with metastatic lung cancer. Other pathways that have been reported in development of lung cancer involve the ALK gene translocation, and EGFR and K-RAS mutations, and targeted therapy has shown good results in cancer patients with these molecular defects. Randomized clinical trials in patients with advanced NSCLC and an EGFR mutation have shown significant improvement in overall survival with the use of erlotinib, a tyrosine kinase inhibitor targeting the epidermal growth factor receptor.9 Similarly, crizotinib has shown promising results in patients with metastatic NSCLC who have ELM-ALK rearrangement.10 As our patient’s tumor did not have either of these mutations, he was initiated on chemotherapy with bevacizumab. The presence of a K-RAS mutation in this patient further supported the use of front-line chemotherapy given that it may confer resistance against agents that target the EGFR pathway.

In our review of the literature, we found cases of patients with ocular metastases who responded well to therapy with targeted agents (Table).



Singh and colleagues did a systematic review of 55 cases of patients with lung cancer and choroidal metastases and found that the type of therapy depended on when the diagnosis had been made in relation to the advent of targeted therapy: cases diagnosed before targeted therapy had received radiation therapy or enucleation.6 As far as we could ascertain, there have been no randomized studies evaluating the impact of various targeted therapies or systemic chemotherapy on ocular metastases, although case reports have documented improvement in vision and regression of metastases with such therapy.
 

 

 

Conclusion

The goal of therapy in metastatic lung cancer is palliation of symptoms and improvement in patient quality of life with prolongation in overall survival. The newer targeted chemotherapeutic agents assist in achieving these goals and may decrease the morbidity associated from radiation or surgery with improvement in vision and regression of ocular metastatic lesions. Targeted therapies should be considered in the treatment of patients with ocular metastases from NSCLC.

References

1. Bloch RS, Gartner S. The incidence of ocular metastatic carcinoma. Arch Ophthalmol-Chic. 1971;85(6):673-675.

2. Shields CL, Shields JA, Gross NE, Schwartz GP, Lally SE. Survey of 520 eyes with uveal metastases. Ophthalmology. 1997;104(8):1265-1276.

3. Kreusel KM, Bechrakis NE, Wiegel T, Krause L, Foerster MH. Incidence and clinical characteristics of symptomatic choroidal metastasis from lung cancer. Acta Ophthalmol. 2008;86(5):515-519.

4. Abundo RE, Orenic CJ, Anderson SF, Townsend JC. Choroidal metastases resulting from carcinoma of the lung. J Am Optom Assoc. 1997;68(2):95-108.

5. Kreusel KM, Wiegel T, Stange M, Bornfeld N, Hinkelbein W, Foerster MH. Choroidal metastasis in disseminated lung cancer: frequency and risk factors. Am J Ophthalmol. 2002;134(3):445-447.

6. Singh N, Kulkarni P, Aggarwal AN, et al. Choroidal metastasis as a presenting manifestation of lung cancer: a report of 3 cases and systematic review of the literature. Medicine (Baltimore). 2012;91(4):179-194.

7. Chen CJ, McCoy AN, Brahmer J, Handa JT. Emerging treatments for choroidal metastases. Surv Ophthalmol. 2011;56(6):511-521.

8. Shah SU, Mashayekhi A, Shields CL, et al. Uveal metastasis from lung cancer: clinical features, treatment, and outcome in 194 patients. Ophthalmology. 2014;121(1):352-357.

9. Shepherd FA, Rodrigues Pereira J, Ciuleanu T, et al. Erlotinib in previously treated non-small-cell lung cancer. N Engl J Med. 2005;353(2):123-132.

10. Shaw AT, Kim DW, Nakagawa K, et al. Crizotinib versus chemotherapy in advanced ALK-positive lung cancer. N Engl J Med. 2013;368(25):2385-2394.

11. Kim SW, Kim MJ, Huh K, Oh J. Complete regression of choroidal metastasis secondary to non-small-cell lung cancer with intravitreal bevacizumab and oral erlotinib combination therapy. Ophthalmologica. 2009;223(6):411-413.

12. George B, Wirostko WJ, Connor TB, Choong NW. Complete and durable response of choroid metastasis from non-small cell lung cancer with systemic bevacizumab and chemotherapy. J Thorac Oncol. 2009;4(5):661-662.

13. Inoue M, Watanabe Y, Yamane S, et al. Choroidal metastasis with adenocarcinoma of the lung treated with gefitinib. Eur J Ophthalmol. 2010;20(5):963-965.

14. Shimomura I, Tada Y, Miura G, et al. Choroidal metastasis of non-small cell lung cancer that responded to gefitinib. https://www.hindawi.com/journals/criopm/2013/213124/. Published 2013. Accessed May 4, 2017.

15. Feng Y, Singh AD, Lanigan C, Tubbs RR, Ma PC. Choroidal metastases responsive to crizotinib therapy in a lung adenocarcinoma patient with ALK 2p23 fusion identified by ALK immunohistochemistry. J Thorac Oncol. 2013;8(12):e109-111.

References

1. Bloch RS, Gartner S. The incidence of ocular metastatic carcinoma. Arch Ophthalmol-Chic. 1971;85(6):673-675.

2. Shields CL, Shields JA, Gross NE, Schwartz GP, Lally SE. Survey of 520 eyes with uveal metastases. Ophthalmology. 1997;104(8):1265-1276.

3. Kreusel KM, Bechrakis NE, Wiegel T, Krause L, Foerster MH. Incidence and clinical characteristics of symptomatic choroidal metastasis from lung cancer. Acta Ophthalmol. 2008;86(5):515-519.

4. Abundo RE, Orenic CJ, Anderson SF, Townsend JC. Choroidal metastases resulting from carcinoma of the lung. J Am Optom Assoc. 1997;68(2):95-108.

5. Kreusel KM, Wiegel T, Stange M, Bornfeld N, Hinkelbein W, Foerster MH. Choroidal metastasis in disseminated lung cancer: frequency and risk factors. Am J Ophthalmol. 2002;134(3):445-447.

6. Singh N, Kulkarni P, Aggarwal AN, et al. Choroidal metastasis as a presenting manifestation of lung cancer: a report of 3 cases and systematic review of the literature. Medicine (Baltimore). 2012;91(4):179-194.

7. Chen CJ, McCoy AN, Brahmer J, Handa JT. Emerging treatments for choroidal metastases. Surv Ophthalmol. 2011;56(6):511-521.

8. Shah SU, Mashayekhi A, Shields CL, et al. Uveal metastasis from lung cancer: clinical features, treatment, and outcome in 194 patients. Ophthalmology. 2014;121(1):352-357.

9. Shepherd FA, Rodrigues Pereira J, Ciuleanu T, et al. Erlotinib in previously treated non-small-cell lung cancer. N Engl J Med. 2005;353(2):123-132.

10. Shaw AT, Kim DW, Nakagawa K, et al. Crizotinib versus chemotherapy in advanced ALK-positive lung cancer. N Engl J Med. 2013;368(25):2385-2394.

11. Kim SW, Kim MJ, Huh K, Oh J. Complete regression of choroidal metastasis secondary to non-small-cell lung cancer with intravitreal bevacizumab and oral erlotinib combination therapy. Ophthalmologica. 2009;223(6):411-413.

12. George B, Wirostko WJ, Connor TB, Choong NW. Complete and durable response of choroid metastasis from non-small cell lung cancer with systemic bevacizumab and chemotherapy. J Thorac Oncol. 2009;4(5):661-662.

13. Inoue M, Watanabe Y, Yamane S, et al. Choroidal metastasis with adenocarcinoma of the lung treated with gefitinib. Eur J Ophthalmol. 2010;20(5):963-965.

14. Shimomura I, Tada Y, Miura G, et al. Choroidal metastasis of non-small cell lung cancer that responded to gefitinib. https://www.hindawi.com/journals/criopm/2013/213124/. Published 2013. Accessed May 4, 2017.

15. Feng Y, Singh AD, Lanigan C, Tubbs RR, Ma PC. Choroidal metastases responsive to crizotinib therapy in a lung adenocarcinoma patient with ALK 2p23 fusion identified by ALK immunohistochemistry. J Thorac Oncol. 2013;8(12):e109-111.

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Resolution of refractory pruritus with aprepitant in a patient with microcystic adnexal carcinoma

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Substance P is an important neurotransmitter implicated in itch pathways.1 After binding to its receptor, neurokinin-1 (NK-1), substance P induces release of factors including histamine, which may cause pruritus.2 Recent literature has reported successful use of aprepitant, an NK-1 antagonist that has been approved by the US Food and Drug Administration for the treatment of chemotherapy-induced nausea and vomiting, for treatment of pruritus. We report here the case of a patient with microcystic adnexal carcinoma (MAC) who presented with refractory pruritus and who had rapid and complete resolution of itch after administration of aprepitant.

Case presentation and summary

A 73-year-old man presented with a 12-year history of a small nodule on his philtrum, which had been increasing in size. He subsequently developed upper-lip numbness and nasal induration. He complained of 2.5 months of severe, debilitating, full-body pruritus. His symptoms were refractory to treatment with prednisone, gabapentin, doxycycline, doxepin, antihistamines, and topical steroids. At the time of consultation, he was being treated with hydroxyzine and topical pramocaine lotion with minimal relief.

At initial dermatologic evaluation, his tumor involved the lower two-thirds of the nose and entire upper cutaneous lip. There was a 4-mm rolled ulcer on the nasal tip and a 1-cm exophytic, smooth nodule on the left upper lip with palpable 4-cm submandibular adenopathy (Figure). Skin examination otherwise revealed linear excoriations on the upper back with no additional primary lesions. The nodule was biopsied, and the patient was diagnosed with MAC with gross nodal involvement. Laboratory findings including serum chemistries, blood urea nitrogen, complete blood cell count, thyroid, and liver function were normal. Positron emission tomography-computed tomography (PET-CT) imaging was negative for distant metastases.



Treatment was initiated with oral aprepitant – 125 mg on day 1, 80 mg on day 2, and 80 mg on day 3 –with concomitant weekly carboplatin (AUC 1.5) and paclitaxel (30 mg/m2) as well as radiation. Within hours after the first dose of aprepitant, the patient reported a notable cessation in his pruritus. He reported that after 5 hours, his skin “finally turned off” and over the hour that followed, he had complete resolution of symptoms. He completed chemoradiation with a significant disease response. Despite persistent MAC confined to the philtrum, he has been followed for over 2 years without recurrence of itch.
 

Discussion

MAC is an uncommon cutaneous malignancy of sweat and eccrine gland differentiation. In all, 700 cases of MAC have been described in the literature; a 2008 review estimated the incidence of metastasis at around 2.1%.3 Though metastasis is exceedingly rare, the tumor is locally aggressive and there are reports of invasion into the muscle, perichondrium, periosteum, bone marrow, as well as perineural spaces and vascular adventitia.4

The clinical presentation of MAC includes smooth, flesh-colored or yellow papules, nodules, or plaques.3 Patients often present with numbness, paresthesia, and burning in the area of involvement because of neural infiltration with tumor. Despite the rarity of MAC, pruritus has been reported as a presenting symptom in 1 other case in the literature.4 Our case represents the first report of MAC presenting with a grossly enlarging centrofacial mass, lymph node involvement, and severe full-body pruritus. Our patient responded completely, and within hours, to treatment with aprepitant after experiencing months of failure with conventional antipruritus treatments and without recurrence in symptoms in more than 2 years of follow-up.

Aprepitant blocks the binding of substance P to its receptor NK-1 and has been approved as an anti-emetic for chemotherapy patients. Substance P has been shown to be important in both nausea and itch pathways. The largest prospective study to date on aprepitant for the indication of pruritus in 45 patients with metastatic solid tumors demonstrated a 91% response rate, defined by >50% reduction in pruritus intensity, and 13% recurrence rate that occurred at a median of 7 weeks after initial treatment.5 Aprepitant treatment has been used with success for pruritus associated with both malignant and nonmalignant conditions in at least 74 patients,6 among whom the malignant conditions included cutaneous T-cell lymphoma, Hodgkin lymphoma, and metastatic solid tumors.5-7 Aprepitant has also been used for erlotinib- and nivolumab-induced pruritus in non–small cell lung cancer, which suggests a possible future role for aprepitant in the treatment of pruritus secondary to novel cancer therapies, perhaps including immune checkpoint inhibitors.8-10

However, despite those reports, and likely owing to the multifactorial nature of pruritus, aprepitant is not unviversally effective. Mechanisms of malignancy-associated itch are yet to be elucidated, and optimal patient selection for aprepitant use needs to be determined. However, our patient’s notable response supports the increasing evidence that substance P is a key mediator of pruritus and that disruption of binding to its receptor may result in significant improvement in symptoms in certain patients. It remains to be seen whether the cell type or the tendency toward neural invasion plays a role. Large, randomized studies are needed to guide patient selection and confirm the findings reported here and in the literature, with careful documentation of and close attention paid to timing of pruritus relief and improvement in patient quality of life. Aprepitant might be an important therapeutic tool for refractory, malignancy-associated pruritus, in which patient quality of life is especially critical.

 

 

Acknowledgments

This work was presented at the Multinational Association of Supportive Care and Cancer Meeting, in Miami Florida, June 26-28, 2014. The authors are indebted to Saajar Jadeja for his assistance preparing the manuscript.

References

1. Wallengren J. Neuroanatomy and neurophysiology of itch. Dermatol Ther. 2005;18(4):292-303.

2. Kulka M, Sheen CH, Tancowny BP, Grammer LC, Schleimer RP. Neuropeptides activate human mast cell degranulation and chemokine production. Immunology. 2008;123(3):398-410.

3. Wetter R, Goldstein GD. Microcystic adnexal carcinoma: a diagnostic and therapeutic challenge. Dermatol Ther. 2008;21(6):452-458.

4. Adamson T. Microcystic adnexal carcinoma. Dermatol Nurs. 2004;16(4):365.

5. Santini D, Vincenzi B, Guida FM, et al. Aprepitant for management of severe pruritus related to biological cancer treatments: a pilot study. Lancet Oncol. 2012;13(10):1020-1024.

6. Song JS, Tawa M, Chau NG, Kupper TS, LeBoeuf NR. Aprepitant for refractory cutaneous T-cell lymphoma-associated pruritus: 4 cases and a review of the literature. BMC Cancer. 2017;17.

7. Villafranca JJA, Siles MG, Casanova M, Goitia BT, Domínguez AR. Paraneoplastic pruritus presenting with Hodgkin’s lymphoma: a case report. J Med Case Reports. 2014;8:300.

8. Ito J, Fujimoto D, Nakamura A, et al. Aprepitant for refractory nivolumab-induced pruritus. Lung Cancer Amst Neth. 2017;109:58-61.

9. Levêque D. Aprepitant for erlotinib-induced pruritus. N Engl J Med. 2010;363(17):1680-1681; author reply 1681.

10. Gerber PA, Buhren BA, Homey B. More on aprepitant for erlotinib-induced pruritus. N Engl J Med. 2011;364(5):486-487.

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Johanna S Song, MD,ab Hannah Song, BA,a Nicole G Chau, MD,ac Jeffrey F Krane, MD, PhD,ad Nicole R LeBoeuf, MD, MPHabe

aHarvard Medical School; bDepartment of Dermatology, Brigham and Women’s Hospital; cCenter for Head and Neck Oncology, Dana-Farber Cancer Institute; dHead and Neck Pathology Service, Brigham and Women’s Hospital; and eCenter for Cutaneous Oncology, Dana-Farber Cancer Institute, all in Boston, Massachusetts

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Johanna S Song, MD,ab Hannah Song, BA,a Nicole G Chau, MD,ac Jeffrey F Krane, MD, PhD,ad Nicole R LeBoeuf, MD, MPHabe

aHarvard Medical School; bDepartment of Dermatology, Brigham and Women’s Hospital; cCenter for Head and Neck Oncology, Dana-Farber Cancer Institute; dHead and Neck Pathology Service, Brigham and Women’s Hospital; and eCenter for Cutaneous Oncology, Dana-Farber Cancer Institute, all in Boston, Massachusetts

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Johanna S Song, MD,ab Hannah Song, BA,a Nicole G Chau, MD,ac Jeffrey F Krane, MD, PhD,ad Nicole R LeBoeuf, MD, MPHabe

aHarvard Medical School; bDepartment of Dermatology, Brigham and Women’s Hospital; cCenter for Head and Neck Oncology, Dana-Farber Cancer Institute; dHead and Neck Pathology Service, Brigham and Women’s Hospital; and eCenter for Cutaneous Oncology, Dana-Farber Cancer Institute, all in Boston, Massachusetts

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Substance P is an important neurotransmitter implicated in itch pathways.1 After binding to its receptor, neurokinin-1 (NK-1), substance P induces release of factors including histamine, which may cause pruritus.2 Recent literature has reported successful use of aprepitant, an NK-1 antagonist that has been approved by the US Food and Drug Administration for the treatment of chemotherapy-induced nausea and vomiting, for treatment of pruritus. We report here the case of a patient with microcystic adnexal carcinoma (MAC) who presented with refractory pruritus and who had rapid and complete resolution of itch after administration of aprepitant.

Case presentation and summary

A 73-year-old man presented with a 12-year history of a small nodule on his philtrum, which had been increasing in size. He subsequently developed upper-lip numbness and nasal induration. He complained of 2.5 months of severe, debilitating, full-body pruritus. His symptoms were refractory to treatment with prednisone, gabapentin, doxycycline, doxepin, antihistamines, and topical steroids. At the time of consultation, he was being treated with hydroxyzine and topical pramocaine lotion with minimal relief.

At initial dermatologic evaluation, his tumor involved the lower two-thirds of the nose and entire upper cutaneous lip. There was a 4-mm rolled ulcer on the nasal tip and a 1-cm exophytic, smooth nodule on the left upper lip with palpable 4-cm submandibular adenopathy (Figure). Skin examination otherwise revealed linear excoriations on the upper back with no additional primary lesions. The nodule was biopsied, and the patient was diagnosed with MAC with gross nodal involvement. Laboratory findings including serum chemistries, blood urea nitrogen, complete blood cell count, thyroid, and liver function were normal. Positron emission tomography-computed tomography (PET-CT) imaging was negative for distant metastases.



Treatment was initiated with oral aprepitant – 125 mg on day 1, 80 mg on day 2, and 80 mg on day 3 –with concomitant weekly carboplatin (AUC 1.5) and paclitaxel (30 mg/m2) as well as radiation. Within hours after the first dose of aprepitant, the patient reported a notable cessation in his pruritus. He reported that after 5 hours, his skin “finally turned off” and over the hour that followed, he had complete resolution of symptoms. He completed chemoradiation with a significant disease response. Despite persistent MAC confined to the philtrum, he has been followed for over 2 years without recurrence of itch.
 

Discussion

MAC is an uncommon cutaneous malignancy of sweat and eccrine gland differentiation. In all, 700 cases of MAC have been described in the literature; a 2008 review estimated the incidence of metastasis at around 2.1%.3 Though metastasis is exceedingly rare, the tumor is locally aggressive and there are reports of invasion into the muscle, perichondrium, periosteum, bone marrow, as well as perineural spaces and vascular adventitia.4

The clinical presentation of MAC includes smooth, flesh-colored or yellow papules, nodules, or plaques.3 Patients often present with numbness, paresthesia, and burning in the area of involvement because of neural infiltration with tumor. Despite the rarity of MAC, pruritus has been reported as a presenting symptom in 1 other case in the literature.4 Our case represents the first report of MAC presenting with a grossly enlarging centrofacial mass, lymph node involvement, and severe full-body pruritus. Our patient responded completely, and within hours, to treatment with aprepitant after experiencing months of failure with conventional antipruritus treatments and without recurrence in symptoms in more than 2 years of follow-up.

Aprepitant blocks the binding of substance P to its receptor NK-1 and has been approved as an anti-emetic for chemotherapy patients. Substance P has been shown to be important in both nausea and itch pathways. The largest prospective study to date on aprepitant for the indication of pruritus in 45 patients with metastatic solid tumors demonstrated a 91% response rate, defined by >50% reduction in pruritus intensity, and 13% recurrence rate that occurred at a median of 7 weeks after initial treatment.5 Aprepitant treatment has been used with success for pruritus associated with both malignant and nonmalignant conditions in at least 74 patients,6 among whom the malignant conditions included cutaneous T-cell lymphoma, Hodgkin lymphoma, and metastatic solid tumors.5-7 Aprepitant has also been used for erlotinib- and nivolumab-induced pruritus in non–small cell lung cancer, which suggests a possible future role for aprepitant in the treatment of pruritus secondary to novel cancer therapies, perhaps including immune checkpoint inhibitors.8-10

However, despite those reports, and likely owing to the multifactorial nature of pruritus, aprepitant is not unviversally effective. Mechanisms of malignancy-associated itch are yet to be elucidated, and optimal patient selection for aprepitant use needs to be determined. However, our patient’s notable response supports the increasing evidence that substance P is a key mediator of pruritus and that disruption of binding to its receptor may result in significant improvement in symptoms in certain patients. It remains to be seen whether the cell type or the tendency toward neural invasion plays a role. Large, randomized studies are needed to guide patient selection and confirm the findings reported here and in the literature, with careful documentation of and close attention paid to timing of pruritus relief and improvement in patient quality of life. Aprepitant might be an important therapeutic tool for refractory, malignancy-associated pruritus, in which patient quality of life is especially critical.

 

 

Acknowledgments

This work was presented at the Multinational Association of Supportive Care and Cancer Meeting, in Miami Florida, June 26-28, 2014. The authors are indebted to Saajar Jadeja for his assistance preparing the manuscript.

Substance P is an important neurotransmitter implicated in itch pathways.1 After binding to its receptor, neurokinin-1 (NK-1), substance P induces release of factors including histamine, which may cause pruritus.2 Recent literature has reported successful use of aprepitant, an NK-1 antagonist that has been approved by the US Food and Drug Administration for the treatment of chemotherapy-induced nausea and vomiting, for treatment of pruritus. We report here the case of a patient with microcystic adnexal carcinoma (MAC) who presented with refractory pruritus and who had rapid and complete resolution of itch after administration of aprepitant.

Case presentation and summary

A 73-year-old man presented with a 12-year history of a small nodule on his philtrum, which had been increasing in size. He subsequently developed upper-lip numbness and nasal induration. He complained of 2.5 months of severe, debilitating, full-body pruritus. His symptoms were refractory to treatment with prednisone, gabapentin, doxycycline, doxepin, antihistamines, and topical steroids. At the time of consultation, he was being treated with hydroxyzine and topical pramocaine lotion with minimal relief.

At initial dermatologic evaluation, his tumor involved the lower two-thirds of the nose and entire upper cutaneous lip. There was a 4-mm rolled ulcer on the nasal tip and a 1-cm exophytic, smooth nodule on the left upper lip with palpable 4-cm submandibular adenopathy (Figure). Skin examination otherwise revealed linear excoriations on the upper back with no additional primary lesions. The nodule was biopsied, and the patient was diagnosed with MAC with gross nodal involvement. Laboratory findings including serum chemistries, blood urea nitrogen, complete blood cell count, thyroid, and liver function were normal. Positron emission tomography-computed tomography (PET-CT) imaging was negative for distant metastases.



Treatment was initiated with oral aprepitant – 125 mg on day 1, 80 mg on day 2, and 80 mg on day 3 –with concomitant weekly carboplatin (AUC 1.5) and paclitaxel (30 mg/m2) as well as radiation. Within hours after the first dose of aprepitant, the patient reported a notable cessation in his pruritus. He reported that after 5 hours, his skin “finally turned off” and over the hour that followed, he had complete resolution of symptoms. He completed chemoradiation with a significant disease response. Despite persistent MAC confined to the philtrum, he has been followed for over 2 years without recurrence of itch.
 

Discussion

MAC is an uncommon cutaneous malignancy of sweat and eccrine gland differentiation. In all, 700 cases of MAC have been described in the literature; a 2008 review estimated the incidence of metastasis at around 2.1%.3 Though metastasis is exceedingly rare, the tumor is locally aggressive and there are reports of invasion into the muscle, perichondrium, periosteum, bone marrow, as well as perineural spaces and vascular adventitia.4

The clinical presentation of MAC includes smooth, flesh-colored or yellow papules, nodules, or plaques.3 Patients often present with numbness, paresthesia, and burning in the area of involvement because of neural infiltration with tumor. Despite the rarity of MAC, pruritus has been reported as a presenting symptom in 1 other case in the literature.4 Our case represents the first report of MAC presenting with a grossly enlarging centrofacial mass, lymph node involvement, and severe full-body pruritus. Our patient responded completely, and within hours, to treatment with aprepitant after experiencing months of failure with conventional antipruritus treatments and without recurrence in symptoms in more than 2 years of follow-up.

Aprepitant blocks the binding of substance P to its receptor NK-1 and has been approved as an anti-emetic for chemotherapy patients. Substance P has been shown to be important in both nausea and itch pathways. The largest prospective study to date on aprepitant for the indication of pruritus in 45 patients with metastatic solid tumors demonstrated a 91% response rate, defined by >50% reduction in pruritus intensity, and 13% recurrence rate that occurred at a median of 7 weeks after initial treatment.5 Aprepitant treatment has been used with success for pruritus associated with both malignant and nonmalignant conditions in at least 74 patients,6 among whom the malignant conditions included cutaneous T-cell lymphoma, Hodgkin lymphoma, and metastatic solid tumors.5-7 Aprepitant has also been used for erlotinib- and nivolumab-induced pruritus in non–small cell lung cancer, which suggests a possible future role for aprepitant in the treatment of pruritus secondary to novel cancer therapies, perhaps including immune checkpoint inhibitors.8-10

However, despite those reports, and likely owing to the multifactorial nature of pruritus, aprepitant is not unviversally effective. Mechanisms of malignancy-associated itch are yet to be elucidated, and optimal patient selection for aprepitant use needs to be determined. However, our patient’s notable response supports the increasing evidence that substance P is a key mediator of pruritus and that disruption of binding to its receptor may result in significant improvement in symptoms in certain patients. It remains to be seen whether the cell type or the tendency toward neural invasion plays a role. Large, randomized studies are needed to guide patient selection and confirm the findings reported here and in the literature, with careful documentation of and close attention paid to timing of pruritus relief and improvement in patient quality of life. Aprepitant might be an important therapeutic tool for refractory, malignancy-associated pruritus, in which patient quality of life is especially critical.

 

 

Acknowledgments

This work was presented at the Multinational Association of Supportive Care and Cancer Meeting, in Miami Florida, June 26-28, 2014. The authors are indebted to Saajar Jadeja for his assistance preparing the manuscript.

References

1. Wallengren J. Neuroanatomy and neurophysiology of itch. Dermatol Ther. 2005;18(4):292-303.

2. Kulka M, Sheen CH, Tancowny BP, Grammer LC, Schleimer RP. Neuropeptides activate human mast cell degranulation and chemokine production. Immunology. 2008;123(3):398-410.

3. Wetter R, Goldstein GD. Microcystic adnexal carcinoma: a diagnostic and therapeutic challenge. Dermatol Ther. 2008;21(6):452-458.

4. Adamson T. Microcystic adnexal carcinoma. Dermatol Nurs. 2004;16(4):365.

5. Santini D, Vincenzi B, Guida FM, et al. Aprepitant for management of severe pruritus related to biological cancer treatments: a pilot study. Lancet Oncol. 2012;13(10):1020-1024.

6. Song JS, Tawa M, Chau NG, Kupper TS, LeBoeuf NR. Aprepitant for refractory cutaneous T-cell lymphoma-associated pruritus: 4 cases and a review of the literature. BMC Cancer. 2017;17.

7. Villafranca JJA, Siles MG, Casanova M, Goitia BT, Domínguez AR. Paraneoplastic pruritus presenting with Hodgkin’s lymphoma: a case report. J Med Case Reports. 2014;8:300.

8. Ito J, Fujimoto D, Nakamura A, et al. Aprepitant for refractory nivolumab-induced pruritus. Lung Cancer Amst Neth. 2017;109:58-61.

9. Levêque D. Aprepitant for erlotinib-induced pruritus. N Engl J Med. 2010;363(17):1680-1681; author reply 1681.

10. Gerber PA, Buhren BA, Homey B. More on aprepitant for erlotinib-induced pruritus. N Engl J Med. 2011;364(5):486-487.

References

1. Wallengren J. Neuroanatomy and neurophysiology of itch. Dermatol Ther. 2005;18(4):292-303.

2. Kulka M, Sheen CH, Tancowny BP, Grammer LC, Schleimer RP. Neuropeptides activate human mast cell degranulation and chemokine production. Immunology. 2008;123(3):398-410.

3. Wetter R, Goldstein GD. Microcystic adnexal carcinoma: a diagnostic and therapeutic challenge. Dermatol Ther. 2008;21(6):452-458.

4. Adamson T. Microcystic adnexal carcinoma. Dermatol Nurs. 2004;16(4):365.

5. Santini D, Vincenzi B, Guida FM, et al. Aprepitant for management of severe pruritus related to biological cancer treatments: a pilot study. Lancet Oncol. 2012;13(10):1020-1024.

6. Song JS, Tawa M, Chau NG, Kupper TS, LeBoeuf NR. Aprepitant for refractory cutaneous T-cell lymphoma-associated pruritus: 4 cases and a review of the literature. BMC Cancer. 2017;17.

7. Villafranca JJA, Siles MG, Casanova M, Goitia BT, Domínguez AR. Paraneoplastic pruritus presenting with Hodgkin’s lymphoma: a case report. J Med Case Reports. 2014;8:300.

8. Ito J, Fujimoto D, Nakamura A, et al. Aprepitant for refractory nivolumab-induced pruritus. Lung Cancer Amst Neth. 2017;109:58-61.

9. Levêque D. Aprepitant for erlotinib-induced pruritus. N Engl J Med. 2010;363(17):1680-1681; author reply 1681.

10. Gerber PA, Buhren BA, Homey B. More on aprepitant for erlotinib-induced pruritus. N Engl J Med. 2011;364(5):486-487.

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VIDEO: To boost newborn breastfeeding rates, hide the EHR formula order

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– When the check box for ordering formula for newborns was removed as a standard newborn order option in the electronic health record (EHR), rates of exclusive breastfeeding climbed significantly in Los Angeles County hospitals, according to a recent study.

“The saying, ‘out of sight, out of mind’ cannot be overstated when it comes to physician order entry,” wrote Ramy Eskander, MD, and his colleagues in the poster accompanying the presentation at the annual clinical and scientific sessions of the American College of Obstetricians and Gynecologists.

In a video interview, Dr. Eskander said that he and his colleagues at the University of California, Los Angeles, were looking for an intervention that would use the EHR as a quality improvement tool.

What they decided to do was to see “how could we possibly ‘get in the way’ and have an intervention between the provider and the patient that didn’t necessarily involve much work on the provider’s end, that had a significant impact on the back end,” he said. What they ended up doing was remove the order to request formula for mothers from the physician order set in the EHR.

Study data were collected in three stages for the academic tertiary care hospital within the Los Angeles County Department of Health Services system.

First, Dr. Eskander and his colleagues collected baseline data from January to July of 2016. Then, data were collected from July to the end of 2016, while a campaign was underway to bring staff and patients up to speed on the benefits of exclusive breastfeeding. There were no statistically significant differences in the rates of exclusive breastfeeding on discharge between these two time periods, when rates hovered between 30% and 40%.

The final data collection period began in January 2017. At that time, the option to order formula for a newborn was removed as an option for the EHR newborn order set.

 

 

“When we did that, providers weren’t looking at the possibility of having that easy check box right there to fill in … and we know that when people have to go through more steps, they invariably don’t do it,” Dr. Eskander said.

He and his colleagues saw an almost immediate leap in rates of exclusive breastfeeding once clinicians had to click through an additional set of screens to reach the formula order. Once the formula order was removed, breastfeeding rates rose from 40.57% to 53.90% (P less than .001). Rates have been sustained since the removal of the EHR option for formula.

There was no difference in how infants fared after the intervention, said Dr. Eskander. “The outcomes for those infants was identical. There were no increased NICU admissions, there were no increased poor outcomes.”

Length of stay remained the same as well. “The babies were being discharged in the same state of health, just more of them were getting breast milk only, and we know the benefits that tends to portend,” he added.

There was some initial grumbling when the formula order was pulled from the newborn order set, he conceded. “The providers were not very happy about having to look for the newborn order for formula.” However, it took just about a month for the new workflow to seem normal, he said.

Dr. Eskander envisions a future where the EHR is “smart” enough to prompt appropriate orders and interventions for serious conditions such as preeclampsia. The electronic record, he said, could recognize the maternal diagnosis “and immediately create a system and structure around that mother to be able to help protect her and her baby. ... then having those diagnoses be able to drive outcomes can be very significant.”

[email protected]

SOURCE: Eskander, R et al. ACOG 2018, Abstract 31I.

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– When the check box for ordering formula for newborns was removed as a standard newborn order option in the electronic health record (EHR), rates of exclusive breastfeeding climbed significantly in Los Angeles County hospitals, according to a recent study.

“The saying, ‘out of sight, out of mind’ cannot be overstated when it comes to physician order entry,” wrote Ramy Eskander, MD, and his colleagues in the poster accompanying the presentation at the annual clinical and scientific sessions of the American College of Obstetricians and Gynecologists.

In a video interview, Dr. Eskander said that he and his colleagues at the University of California, Los Angeles, were looking for an intervention that would use the EHR as a quality improvement tool.

What they decided to do was to see “how could we possibly ‘get in the way’ and have an intervention between the provider and the patient that didn’t necessarily involve much work on the provider’s end, that had a significant impact on the back end,” he said. What they ended up doing was remove the order to request formula for mothers from the physician order set in the EHR.

Study data were collected in three stages for the academic tertiary care hospital within the Los Angeles County Department of Health Services system.

First, Dr. Eskander and his colleagues collected baseline data from January to July of 2016. Then, data were collected from July to the end of 2016, while a campaign was underway to bring staff and patients up to speed on the benefits of exclusive breastfeeding. There were no statistically significant differences in the rates of exclusive breastfeeding on discharge between these two time periods, when rates hovered between 30% and 40%.

The final data collection period began in January 2017. At that time, the option to order formula for a newborn was removed as an option for the EHR newborn order set.

 

 

“When we did that, providers weren’t looking at the possibility of having that easy check box right there to fill in … and we know that when people have to go through more steps, they invariably don’t do it,” Dr. Eskander said.

He and his colleagues saw an almost immediate leap in rates of exclusive breastfeeding once clinicians had to click through an additional set of screens to reach the formula order. Once the formula order was removed, breastfeeding rates rose from 40.57% to 53.90% (P less than .001). Rates have been sustained since the removal of the EHR option for formula.

There was no difference in how infants fared after the intervention, said Dr. Eskander. “The outcomes for those infants was identical. There were no increased NICU admissions, there were no increased poor outcomes.”

Length of stay remained the same as well. “The babies were being discharged in the same state of health, just more of them were getting breast milk only, and we know the benefits that tends to portend,” he added.

There was some initial grumbling when the formula order was pulled from the newborn order set, he conceded. “The providers were not very happy about having to look for the newborn order for formula.” However, it took just about a month for the new workflow to seem normal, he said.

Dr. Eskander envisions a future where the EHR is “smart” enough to prompt appropriate orders and interventions for serious conditions such as preeclampsia. The electronic record, he said, could recognize the maternal diagnosis “and immediately create a system and structure around that mother to be able to help protect her and her baby. ... then having those diagnoses be able to drive outcomes can be very significant.”

[email protected]

SOURCE: Eskander, R et al. ACOG 2018, Abstract 31I.

– When the check box for ordering formula for newborns was removed as a standard newborn order option in the electronic health record (EHR), rates of exclusive breastfeeding climbed significantly in Los Angeles County hospitals, according to a recent study.

“The saying, ‘out of sight, out of mind’ cannot be overstated when it comes to physician order entry,” wrote Ramy Eskander, MD, and his colleagues in the poster accompanying the presentation at the annual clinical and scientific sessions of the American College of Obstetricians and Gynecologists.

In a video interview, Dr. Eskander said that he and his colleagues at the University of California, Los Angeles, were looking for an intervention that would use the EHR as a quality improvement tool.

What they decided to do was to see “how could we possibly ‘get in the way’ and have an intervention between the provider and the patient that didn’t necessarily involve much work on the provider’s end, that had a significant impact on the back end,” he said. What they ended up doing was remove the order to request formula for mothers from the physician order set in the EHR.

Study data were collected in three stages for the academic tertiary care hospital within the Los Angeles County Department of Health Services system.

First, Dr. Eskander and his colleagues collected baseline data from January to July of 2016. Then, data were collected from July to the end of 2016, while a campaign was underway to bring staff and patients up to speed on the benefits of exclusive breastfeeding. There were no statistically significant differences in the rates of exclusive breastfeeding on discharge between these two time periods, when rates hovered between 30% and 40%.

The final data collection period began in January 2017. At that time, the option to order formula for a newborn was removed as an option for the EHR newborn order set.

 

 

“When we did that, providers weren’t looking at the possibility of having that easy check box right there to fill in … and we know that when people have to go through more steps, they invariably don’t do it,” Dr. Eskander said.

He and his colleagues saw an almost immediate leap in rates of exclusive breastfeeding once clinicians had to click through an additional set of screens to reach the formula order. Once the formula order was removed, breastfeeding rates rose from 40.57% to 53.90% (P less than .001). Rates have been sustained since the removal of the EHR option for formula.

There was no difference in how infants fared after the intervention, said Dr. Eskander. “The outcomes for those infants was identical. There were no increased NICU admissions, there were no increased poor outcomes.”

Length of stay remained the same as well. “The babies were being discharged in the same state of health, just more of them were getting breast milk only, and we know the benefits that tends to portend,” he added.

There was some initial grumbling when the formula order was pulled from the newborn order set, he conceded. “The providers were not very happy about having to look for the newborn order for formula.” However, it took just about a month for the new workflow to seem normal, he said.

Dr. Eskander envisions a future where the EHR is “smart” enough to prompt appropriate orders and interventions for serious conditions such as preeclampsia. The electronic record, he said, could recognize the maternal diagnosis “and immediately create a system and structure around that mother to be able to help protect her and her baby. ... then having those diagnoses be able to drive outcomes can be very significant.”

[email protected]

SOURCE: Eskander, R et al. ACOG 2018, Abstract 31I.

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Patient-reported outcomes show impairment decades after acute knee injury

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Fri, 01/18/2019 - 17:36

 

– Decades after they were sustained, acute knee injuries caused clinically significant impairments in patient-reported outcomes, as well as upped the risk for knee osteoarthritis (OA) in an observational study.

Results of the study, which followed up individuals 32-37 years after they were treated for a ruptured anterior cruciate ligament (ACL) injury between 1980 and 1985, showed that, compared with the general population, they experienced greater levels of knee pain, participated less in physical activities, and had a reduced quality of life.

Sara Freeman/MDEdge News
Dr. Stephanie Filbay
Furthermore, of 136 patients who underwent X-rays that were graded by an experienced radiologist, 6% had knee replacements and about 70% had developed knee OA.

The link between OA and ACL injury is not new, with prior estimates suggesting that up to half of all patients with ACL injury develop OA within 10 years of the injury, said Stephanie Filbay, PhD, who presented the results of the study at the World Congress on Osteoarthritis. There have also been reports of knee pain and other symptoms, and poor quality of life more than 5 years later. What’s not been known until now, however, is what happens with even longer term follow-up, said Dr. Filbay, a postdoctoral research fellow in sport, exercise, and osteoarthritis at the University of Oxford, England.

The aims of the study were to compare patient-reported outcomes at 32-37-years’ follow-up against the general population, then to see if the baseline injury or treatment approach, or knee function 3-7 years after the initial injury had any influence on outcomes.

The study included 223 patients who were between aged 15 and 40 years at the time of the acute ACL injury between 1980 and 1985 and who had been seen within 2 weeks of ACL rupture at Linköping University Hospital in Linköping, Sweden. Patients had been allocated to early surgical or non-surgical treatment based on having an odd or even birth year. They had then been assessed 3-7 years later using a variety of tests to determine the strength of their quadriceps and hamstrings and the ability to hop on one leg.

All patients were then invited 32-37 years later after the initial injury to complete questionnaires and undergo clinical examination and X-rays. Only four people declined and 38 did not answer, leaving 181 (81%) people who agreed to participate and complete the Knee injury and Osteoarthritis Outcome Score (KOOS) and the ACL quality of life questionnaire (ACL-QOL).

 

 


The average age of participants at follow-up was 59 years (range, 47-74 years); 30% were female. 58% of all patients had been treated non-surgically initially, and 38% remained non-surgically treated at the longterm follow-up. At baseline, 58% had a meniscus injury.

Compared with an age- and sex-matched Swedish population, patients with ACL injuries had a lower KOOS for pain, sport/recreational activities, and quality of life. For example, KOOS for knee pain was around 65-70 for those with prior ACL injuries, compared with 80-90 for those without ACL injuries, where 100 indicates the best outcome or least pain and zero the worst.

KOOS was not affected by whether or not patients had initial ACL surgery or surgery at any point in their follow up. It also did not appear to matter if patients had a meniscal injury at baseline or not.

Quadriceps and hamstring strength at the 3-7 year postinjury assessment did not affect the longterm KOOS, but the ability to hop on one leg did: Those who were not able to hop on one leg for more than 90% of the time on the unaffected limb at the 3-7 years follow-up had worse pain, symptoms, function, and quality of life at the longterm follow-up point.

 

 


With regards to OA, “overall, more than one in two individuals had Kellgren-Lawrence grade 4 that could be considered severe radiographic changes in at least one compartment,” Dr. Filbay said at the meeting, which is sponsored by the Osteoarthritis Research Society International.

Severe radiographic changes were most common in the tibiofemoral joint, with around 47% having Kellgren-Lawrence (KL) grade 4. About 35% of tibiofemoral joints and about 60% of patellofemoral joints were KL grade 1.

Interestingly, different factors were found to be associated with OA in the tibiofemoral and patellofemoral joints, according to Dr. Filbay. Patients who had been treated non-surgically, whether initially or at any time during the 32-37 year follow-up, were more likely to have tibiofemoral OA, whereas those who had been treated surgically tended to have patellofemoral OA.

“Perhaps not surprisingly, meniscal injury at baseline was related to a higher percentage of tibiofemoral OA at long-term follow-up,” Dr. Filbay said.

 

 


Another finding was that patients with weaker hamstrings 3-7 years after the injury were more likely to develop patellofemoral joint OA.

Dr. Filbay had no disclosures.

SOURCE: Filbay S, et al. Osteoarthritis Cartilage 2018:26(1):S52-3. Abstract 80.

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– Decades after they were sustained, acute knee injuries caused clinically significant impairments in patient-reported outcomes, as well as upped the risk for knee osteoarthritis (OA) in an observational study.

Results of the study, which followed up individuals 32-37 years after they were treated for a ruptured anterior cruciate ligament (ACL) injury between 1980 and 1985, showed that, compared with the general population, they experienced greater levels of knee pain, participated less in physical activities, and had a reduced quality of life.

Sara Freeman/MDEdge News
Dr. Stephanie Filbay
Furthermore, of 136 patients who underwent X-rays that were graded by an experienced radiologist, 6% had knee replacements and about 70% had developed knee OA.

The link between OA and ACL injury is not new, with prior estimates suggesting that up to half of all patients with ACL injury develop OA within 10 years of the injury, said Stephanie Filbay, PhD, who presented the results of the study at the World Congress on Osteoarthritis. There have also been reports of knee pain and other symptoms, and poor quality of life more than 5 years later. What’s not been known until now, however, is what happens with even longer term follow-up, said Dr. Filbay, a postdoctoral research fellow in sport, exercise, and osteoarthritis at the University of Oxford, England.

The aims of the study were to compare patient-reported outcomes at 32-37-years’ follow-up against the general population, then to see if the baseline injury or treatment approach, or knee function 3-7 years after the initial injury had any influence on outcomes.

The study included 223 patients who were between aged 15 and 40 years at the time of the acute ACL injury between 1980 and 1985 and who had been seen within 2 weeks of ACL rupture at Linköping University Hospital in Linköping, Sweden. Patients had been allocated to early surgical or non-surgical treatment based on having an odd or even birth year. They had then been assessed 3-7 years later using a variety of tests to determine the strength of their quadriceps and hamstrings and the ability to hop on one leg.

All patients were then invited 32-37 years later after the initial injury to complete questionnaires and undergo clinical examination and X-rays. Only four people declined and 38 did not answer, leaving 181 (81%) people who agreed to participate and complete the Knee injury and Osteoarthritis Outcome Score (KOOS) and the ACL quality of life questionnaire (ACL-QOL).

 

 


The average age of participants at follow-up was 59 years (range, 47-74 years); 30% were female. 58% of all patients had been treated non-surgically initially, and 38% remained non-surgically treated at the longterm follow-up. At baseline, 58% had a meniscus injury.

Compared with an age- and sex-matched Swedish population, patients with ACL injuries had a lower KOOS for pain, sport/recreational activities, and quality of life. For example, KOOS for knee pain was around 65-70 for those with prior ACL injuries, compared with 80-90 for those without ACL injuries, where 100 indicates the best outcome or least pain and zero the worst.

KOOS was not affected by whether or not patients had initial ACL surgery or surgery at any point in their follow up. It also did not appear to matter if patients had a meniscal injury at baseline or not.

Quadriceps and hamstring strength at the 3-7 year postinjury assessment did not affect the longterm KOOS, but the ability to hop on one leg did: Those who were not able to hop on one leg for more than 90% of the time on the unaffected limb at the 3-7 years follow-up had worse pain, symptoms, function, and quality of life at the longterm follow-up point.

 

 


With regards to OA, “overall, more than one in two individuals had Kellgren-Lawrence grade 4 that could be considered severe radiographic changes in at least one compartment,” Dr. Filbay said at the meeting, which is sponsored by the Osteoarthritis Research Society International.

Severe radiographic changes were most common in the tibiofemoral joint, with around 47% having Kellgren-Lawrence (KL) grade 4. About 35% of tibiofemoral joints and about 60% of patellofemoral joints were KL grade 1.

Interestingly, different factors were found to be associated with OA in the tibiofemoral and patellofemoral joints, according to Dr. Filbay. Patients who had been treated non-surgically, whether initially or at any time during the 32-37 year follow-up, were more likely to have tibiofemoral OA, whereas those who had been treated surgically tended to have patellofemoral OA.

“Perhaps not surprisingly, meniscal injury at baseline was related to a higher percentage of tibiofemoral OA at long-term follow-up,” Dr. Filbay said.

 

 


Another finding was that patients with weaker hamstrings 3-7 years after the injury were more likely to develop patellofemoral joint OA.

Dr. Filbay had no disclosures.

SOURCE: Filbay S, et al. Osteoarthritis Cartilage 2018:26(1):S52-3. Abstract 80.

 

– Decades after they were sustained, acute knee injuries caused clinically significant impairments in patient-reported outcomes, as well as upped the risk for knee osteoarthritis (OA) in an observational study.

Results of the study, which followed up individuals 32-37 years after they were treated for a ruptured anterior cruciate ligament (ACL) injury between 1980 and 1985, showed that, compared with the general population, they experienced greater levels of knee pain, participated less in physical activities, and had a reduced quality of life.

Sara Freeman/MDEdge News
Dr. Stephanie Filbay
Furthermore, of 136 patients who underwent X-rays that were graded by an experienced radiologist, 6% had knee replacements and about 70% had developed knee OA.

The link between OA and ACL injury is not new, with prior estimates suggesting that up to half of all patients with ACL injury develop OA within 10 years of the injury, said Stephanie Filbay, PhD, who presented the results of the study at the World Congress on Osteoarthritis. There have also been reports of knee pain and other symptoms, and poor quality of life more than 5 years later. What’s not been known until now, however, is what happens with even longer term follow-up, said Dr. Filbay, a postdoctoral research fellow in sport, exercise, and osteoarthritis at the University of Oxford, England.

The aims of the study were to compare patient-reported outcomes at 32-37-years’ follow-up against the general population, then to see if the baseline injury or treatment approach, or knee function 3-7 years after the initial injury had any influence on outcomes.

The study included 223 patients who were between aged 15 and 40 years at the time of the acute ACL injury between 1980 and 1985 and who had been seen within 2 weeks of ACL rupture at Linköping University Hospital in Linköping, Sweden. Patients had been allocated to early surgical or non-surgical treatment based on having an odd or even birth year. They had then been assessed 3-7 years later using a variety of tests to determine the strength of their quadriceps and hamstrings and the ability to hop on one leg.

All patients were then invited 32-37 years later after the initial injury to complete questionnaires and undergo clinical examination and X-rays. Only four people declined and 38 did not answer, leaving 181 (81%) people who agreed to participate and complete the Knee injury and Osteoarthritis Outcome Score (KOOS) and the ACL quality of life questionnaire (ACL-QOL).

 

 


The average age of participants at follow-up was 59 years (range, 47-74 years); 30% were female. 58% of all patients had been treated non-surgically initially, and 38% remained non-surgically treated at the longterm follow-up. At baseline, 58% had a meniscus injury.

Compared with an age- and sex-matched Swedish population, patients with ACL injuries had a lower KOOS for pain, sport/recreational activities, and quality of life. For example, KOOS for knee pain was around 65-70 for those with prior ACL injuries, compared with 80-90 for those without ACL injuries, where 100 indicates the best outcome or least pain and zero the worst.

KOOS was not affected by whether or not patients had initial ACL surgery or surgery at any point in their follow up. It also did not appear to matter if patients had a meniscal injury at baseline or not.

Quadriceps and hamstring strength at the 3-7 year postinjury assessment did not affect the longterm KOOS, but the ability to hop on one leg did: Those who were not able to hop on one leg for more than 90% of the time on the unaffected limb at the 3-7 years follow-up had worse pain, symptoms, function, and quality of life at the longterm follow-up point.

 

 


With regards to OA, “overall, more than one in two individuals had Kellgren-Lawrence grade 4 that could be considered severe radiographic changes in at least one compartment,” Dr. Filbay said at the meeting, which is sponsored by the Osteoarthritis Research Society International.

Severe radiographic changes were most common in the tibiofemoral joint, with around 47% having Kellgren-Lawrence (KL) grade 4. About 35% of tibiofemoral joints and about 60% of patellofemoral joints were KL grade 1.

Interestingly, different factors were found to be associated with OA in the tibiofemoral and patellofemoral joints, according to Dr. Filbay. Patients who had been treated non-surgically, whether initially or at any time during the 32-37 year follow-up, were more likely to have tibiofemoral OA, whereas those who had been treated surgically tended to have patellofemoral OA.

“Perhaps not surprisingly, meniscal injury at baseline was related to a higher percentage of tibiofemoral OA at long-term follow-up,” Dr. Filbay said.

 

 


Another finding was that patients with weaker hamstrings 3-7 years after the injury were more likely to develop patellofemoral joint OA.

Dr. Filbay had no disclosures.

SOURCE: Filbay S, et al. Osteoarthritis Cartilage 2018:26(1):S52-3. Abstract 80.

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Key clinical point: Decades after rupturing the anterior cruciate ligament (ACL), patients can experience significant impairments.

Major finding: 70% of 136 of the patients in the study developed knee osteoarthritis 32-37 years after an ACL injury.Study details: A population-based, observational follow-up study of 181 individuals who had an acute ACL injury in 1980-1985. Disclosures: Stephanie Filbay, PhD., had no disclosures. Source: Filbay S, et al. Osteoarthritis Cartilage 2018:26(1):S52-53. Abstract 80.

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Rare paraneoplastic dermatomyositis secondary to high-grade bladder cancer

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The clinical presentation of bladder cancer typically presents with hematuria; changes in voiding habits such as urgency, frequency, and pain; or less commonly, obstructive symptoms. Rarely does bladder cancer first present as part of a paraneoplastic syndrome with an inflammatory myopathy. Inflammatory myopathies such as dermatomyositis have been known to be associated with malignancy, however, in a meta-analysis by Yang and colleagues of 449 patients with dermatomyositis and malignancy there were only 8 cases reported of bladder cancer.1 Herein, we report a paraneoplastic dermatomyositis in the setting of a bladder cancer.

Case presentation and summary

A 65-year-old man with a medical history of hypertension and alcohol use presented to the emergency department with worsening pain, stiffness in the neck, shoulders, and inability to lift his arms above his shoulders. During the physical exam, an erythematous purple rash was noted over his chest, neck, and arms. Upon further evaluation, his creatine phosphokinase was 3,500 U/L (reference range 52-336 U/L) suggesting muscle breakdown and possible inflammatory myopathy. A biopsy of the left deltoid and quadriceps muscles was performed and yielded a diagnosis of dermatomyositis. He was treated with prednisone 60 mg daily for his inflammatory myopathy. The patient also reported an unintentional weight loss of 20 lbs. and increasing weakness and inability to swallow, which caused aspiration events without developing pneumonia.

The patient’s symptoms worsened while he was on steroids, and we became concerned about the possibility of a primary malignancy, which led to further work-up. The results of a computed-tomography (CT) scan of the abdomen and pelvis showed right-sided hydronephrosis and hydrourteter with an irregular, soft-tissue density mass of 4.7 x 3.2 x 4.2 cm along the posterior wall of the bladder (Figure 1).



A cystoscopy was performed with transurethral resection of a bladder tumor that was more than 8 cm in diameter. Because the mass was not fully resectable, only 25% of the tumor burden was removed. The pathology report revealed an invasive, high-grade urothelial cell carcinoma (Figure 2, see PDF). Further imaging ruled out metastatic spread. The patient was continued on steroids. He was not a candidate for neoadjuvant chemotherapy because of his comorbidities and cisplatin ineligibility owing to his significant bilateral hearing deficiencies. Members of a multidisciplinary tumor board decided to move forward with definitive surgery. The patient underwent a robotic-assisted laparoscoptic cystoprostatectomy with bilateral pelvic lymph node dissection and open ileal conduit urinary diversion. Staging of tumor was determined as pT3b N1 (1/30) M0, LVI+. After the surgery, the patient had resolution of his rash and significant improvement in his muscle weakness with the ability to raise his arms over his head and climb stairs. Adjuvant chemotherapy was not given since he was cisplatin ineligible as a result of his hearing loss. Active surveillance was preferred.

Four months after his cystoprostatectomy, he experienced new-onset hip pain and further imaging, including a bone scan, was performed. It showed metastatic disease in the ischium and iliac crest (Figure 3).



The patient decided to forgo any palliative chemotherapy and to have palliative radiation for pain and enroll in hospice. He died nine months after the initial diagnosis of urothelial cell carcinoma.

Discussion

Dermatomyositis is one of the inflammatory myopathies with a clinical presentation of proximal muscle weakness and characteristic skin findings of Gottron papules and heliotrope eruption. The most common subgroups of inflammatory myopathies are dermatomyositis, polymyositis, necrotizing autoimmune myopathy, and inclusion body myopathy. The pathogenesis of inflammatory myopathies is not well understood; however, some theories have been described, including: type 1 interferon signaling causing myofiber injury and antibody-complement mediated processes causing ischemia resulting in myofiber injury. 2,3 The diagnoses of inflammatory myopathies may be suggested based on history, physical examination findings, laboratory values showing muscle injury (creatine kinase, aldolase, ALT, AST, LDH), myositis-specific antibodies (antisynthetase autoantibodies), electromyogram, and magnetic-resonance imaging. However, muscle biopsy remains the gold standard.4

The initial treatment of inflammatory myopathies begins with glucocorticoid therapy at 0.5-1.0 mg/kg. This regimen may be titrated down over 6 weeks to a level adequate to control symptoms. Even while on glucocorticoid therapy, this patient’s symptoms continued, along with the development of dysphagia. Dysphagia is another notable symptom of dermatomyositis that may result in aspiration pneumonia with fatal outcomes.5,6,7 Not only did this patient initially respond poorly to corticosteroids, but the unintentional weight loss was another alarming feature prompting further evaluation. That led to the diagnosis of urothelial cell carcinoma, which was causing the paraneoplastic syndrome.

A paraneoplastic syndrome is a collection of symptoms that are observed in organ systems separate from the primary disease. This process is mostly caused by an autoimmune response to the tumor and nervous system.8 Inflammatory myopathies, such as dermatomyositis, have been shown to be associated with a variety of malignancies as part of a paraneoplastic syndrome. The most common cancers associated with dermatomyositis are ovarian, lung, pancreatic, stomach, colorectal, and non-Hodgkin lymphoma.9 Although an association between dermatomyositis and bladder cancer has been established, very few cases have been reported in the literature. In the Yang meta-analysis, the relative risk of malignancy for patients with dermatomyositis was 5.5%, and of the 449 patients with dermatomyositis who had malignancy, only 8 cases of bladder cancer were reported.1

After a patient has been diagnosed with an inflammatory myopathy, there should be further evaluation for an underling malignancy causing a paraneoplastic process. The risk of these patients having a malignancy overall is 4.5 times higher than patients without dermatomyositis.1 Definite screening recommendations have not been established, but screening should be based on patient’s age, gender, and clinical scenario. The European Federation of Neurological Societies formed a task force to focus on malignancy screening of paraneoplastic neurological syndromes and included dermatomyositis as one of the signs.10 Patients should have a CT scan of the chest, abdomen, and pelvis. Women should have a mammogram and a pelvis ultrasound. Men younger than 50 years should consider testes ultrasound, and patients older than 50 years should undergo usual colonoscopy screening.

The risk of malignancy is highest in the first year after diagnosis, but may extend to 5 years after the diagnosis, so repeat screening should be performed 3-6 months after diagnosis, followed with biannual testing for 4 years. If a malignancy is present, then treatment should be tailored to the neoplasm to improve symptoms of myositis; however, response is generally worse than it would be with dermatomyositis in the absence of malignancy. In the present case with bladder cancer, therapies may include platinum-based-chemotherapy, resection, and radiation. Dermatomyositis as a result of a bladder cancer paraneoplastic syndrome is associated with a poor prognosis as demonstrated in the case of this patient and others reported in the literature.11

Even though dermatomyositis is usually a chronic disease process, 87% of patients respond initially to corticosteroid treatment.12 Therefore, treatment should be escalated with an agent such as azathioprine or methotrexate, or, like in this case, an underlying malignancy should be suspected. This case emphasizes the importance of screening patients appropriately for malignancy in patients with an inflammatory myopathy and reveals the poor prognosis associated with this disease.

References

1. Yang Z, Lin F, Qin B, Liang Y, Zhong R. Polymyositis/dermatomyositis and malignancy risk: a metaanalysis study. J Rheumatol. 2015;42(2):282-291.

2. Greenberg, SA. Dermatomyositis and type 1 interferons. Curr Rheumatol Rep. 2010;12(3):198-203.

3. Dalakas, MC, Hohlfeld, R. Polymyositis and dermatomyositis. Lancet. 2003;362(9388):971-982.

4. Malik A, Hayat G, Kalia JS, Guzman MA. Idiopathic inflammatory myopathies: clinical approach and management. Front Neurol. 2016;7:64.

5. Sabio JM, Vargas-Hitos JA, Jiménez-Alonso J. Paraneoplastic dermatomyositis associated with bladder cancer. Lupus. 2006;15(9):619-620.

6. Mallon E, Osborne G, Dinneen M, Lane RJ, Glaser M, Bunker CB. Dermatomyositis in association with transitional cell carcinoma of the bladder. Clin Exp Dermatol. 1999;24(2):94-96.

7. Hafejee A, Coulson IH. Dysphagia in dermatomyositis secondary to bladder cancer: rapid response to combined immunoglobulin and methylprednisolone. Clin Exp Dermatol. 2005;30(1):93-94.

8. Dalmau J, Gultekin HS, Posner JB. Paraneoplastic neurologic syndromes: pathogenesis and physiopathology. Brain Pathol. 1999;9(2):275-284.

9. Hill CL, Zhang Y, Sigureirsson B, et al. Frequency of specific cancer types in dermatomyositis and polymyositis: a population-based study. Lancet. 2001;357(9250):96-100.

10. Titulaer, MJ, Soffietti R, Dalmau J, et al. Screening for tumours in paraneoplastic syndromes: report of an EFNS Task Force. Eur J Neurol. 2011;18(1):19-e3.

11. Xu R, Zhong Z, Jiang H, Zhang L, Zhao X. A rare paraneoplastic dermatomyositis in bladder cancer with fatal outcome. Urol J. 2013;10(1):815-817.

12. Troyanov Y, Targoff IN, Tremblay JL, Goulet JR, Raymond Y, Senecal JL. Novel classification of idiopathic inflammatory myopathies based on overlap syndrome features and autoantibodies: analysis of 100 French Canadian patients. Medicine (Baltimore), 2005;84(4):231-249.

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The clinical presentation of bladder cancer typically presents with hematuria; changes in voiding habits such as urgency, frequency, and pain; or less commonly, obstructive symptoms. Rarely does bladder cancer first present as part of a paraneoplastic syndrome with an inflammatory myopathy. Inflammatory myopathies such as dermatomyositis have been known to be associated with malignancy, however, in a meta-analysis by Yang and colleagues of 449 patients with dermatomyositis and malignancy there were only 8 cases reported of bladder cancer.1 Herein, we report a paraneoplastic dermatomyositis in the setting of a bladder cancer.

Case presentation and summary

A 65-year-old man with a medical history of hypertension and alcohol use presented to the emergency department with worsening pain, stiffness in the neck, shoulders, and inability to lift his arms above his shoulders. During the physical exam, an erythematous purple rash was noted over his chest, neck, and arms. Upon further evaluation, his creatine phosphokinase was 3,500 U/L (reference range 52-336 U/L) suggesting muscle breakdown and possible inflammatory myopathy. A biopsy of the left deltoid and quadriceps muscles was performed and yielded a diagnosis of dermatomyositis. He was treated with prednisone 60 mg daily for his inflammatory myopathy. The patient also reported an unintentional weight loss of 20 lbs. and increasing weakness and inability to swallow, which caused aspiration events without developing pneumonia.

The patient’s symptoms worsened while he was on steroids, and we became concerned about the possibility of a primary malignancy, which led to further work-up. The results of a computed-tomography (CT) scan of the abdomen and pelvis showed right-sided hydronephrosis and hydrourteter with an irregular, soft-tissue density mass of 4.7 x 3.2 x 4.2 cm along the posterior wall of the bladder (Figure 1).



A cystoscopy was performed with transurethral resection of a bladder tumor that was more than 8 cm in diameter. Because the mass was not fully resectable, only 25% of the tumor burden was removed. The pathology report revealed an invasive, high-grade urothelial cell carcinoma (Figure 2, see PDF). Further imaging ruled out metastatic spread. The patient was continued on steroids. He was not a candidate for neoadjuvant chemotherapy because of his comorbidities and cisplatin ineligibility owing to his significant bilateral hearing deficiencies. Members of a multidisciplinary tumor board decided to move forward with definitive surgery. The patient underwent a robotic-assisted laparoscoptic cystoprostatectomy with bilateral pelvic lymph node dissection and open ileal conduit urinary diversion. Staging of tumor was determined as pT3b N1 (1/30) M0, LVI+. After the surgery, the patient had resolution of his rash and significant improvement in his muscle weakness with the ability to raise his arms over his head and climb stairs. Adjuvant chemotherapy was not given since he was cisplatin ineligible as a result of his hearing loss. Active surveillance was preferred.

Four months after his cystoprostatectomy, he experienced new-onset hip pain and further imaging, including a bone scan, was performed. It showed metastatic disease in the ischium and iliac crest (Figure 3).



The patient decided to forgo any palliative chemotherapy and to have palliative radiation for pain and enroll in hospice. He died nine months after the initial diagnosis of urothelial cell carcinoma.

Discussion

Dermatomyositis is one of the inflammatory myopathies with a clinical presentation of proximal muscle weakness and characteristic skin findings of Gottron papules and heliotrope eruption. The most common subgroups of inflammatory myopathies are dermatomyositis, polymyositis, necrotizing autoimmune myopathy, and inclusion body myopathy. The pathogenesis of inflammatory myopathies is not well understood; however, some theories have been described, including: type 1 interferon signaling causing myofiber injury and antibody-complement mediated processes causing ischemia resulting in myofiber injury. 2,3 The diagnoses of inflammatory myopathies may be suggested based on history, physical examination findings, laboratory values showing muscle injury (creatine kinase, aldolase, ALT, AST, LDH), myositis-specific antibodies (antisynthetase autoantibodies), electromyogram, and magnetic-resonance imaging. However, muscle biopsy remains the gold standard.4

The initial treatment of inflammatory myopathies begins with glucocorticoid therapy at 0.5-1.0 mg/kg. This regimen may be titrated down over 6 weeks to a level adequate to control symptoms. Even while on glucocorticoid therapy, this patient’s symptoms continued, along with the development of dysphagia. Dysphagia is another notable symptom of dermatomyositis that may result in aspiration pneumonia with fatal outcomes.5,6,7 Not only did this patient initially respond poorly to corticosteroids, but the unintentional weight loss was another alarming feature prompting further evaluation. That led to the diagnosis of urothelial cell carcinoma, which was causing the paraneoplastic syndrome.

A paraneoplastic syndrome is a collection of symptoms that are observed in organ systems separate from the primary disease. This process is mostly caused by an autoimmune response to the tumor and nervous system.8 Inflammatory myopathies, such as dermatomyositis, have been shown to be associated with a variety of malignancies as part of a paraneoplastic syndrome. The most common cancers associated with dermatomyositis are ovarian, lung, pancreatic, stomach, colorectal, and non-Hodgkin lymphoma.9 Although an association between dermatomyositis and bladder cancer has been established, very few cases have been reported in the literature. In the Yang meta-analysis, the relative risk of malignancy for patients with dermatomyositis was 5.5%, and of the 449 patients with dermatomyositis who had malignancy, only 8 cases of bladder cancer were reported.1

After a patient has been diagnosed with an inflammatory myopathy, there should be further evaluation for an underling malignancy causing a paraneoplastic process. The risk of these patients having a malignancy overall is 4.5 times higher than patients without dermatomyositis.1 Definite screening recommendations have not been established, but screening should be based on patient’s age, gender, and clinical scenario. The European Federation of Neurological Societies formed a task force to focus on malignancy screening of paraneoplastic neurological syndromes and included dermatomyositis as one of the signs.10 Patients should have a CT scan of the chest, abdomen, and pelvis. Women should have a mammogram and a pelvis ultrasound. Men younger than 50 years should consider testes ultrasound, and patients older than 50 years should undergo usual colonoscopy screening.

The risk of malignancy is highest in the first year after diagnosis, but may extend to 5 years after the diagnosis, so repeat screening should be performed 3-6 months after diagnosis, followed with biannual testing for 4 years. If a malignancy is present, then treatment should be tailored to the neoplasm to improve symptoms of myositis; however, response is generally worse than it would be with dermatomyositis in the absence of malignancy. In the present case with bladder cancer, therapies may include platinum-based-chemotherapy, resection, and radiation. Dermatomyositis as a result of a bladder cancer paraneoplastic syndrome is associated with a poor prognosis as demonstrated in the case of this patient and others reported in the literature.11

Even though dermatomyositis is usually a chronic disease process, 87% of patients respond initially to corticosteroid treatment.12 Therefore, treatment should be escalated with an agent such as azathioprine or methotrexate, or, like in this case, an underlying malignancy should be suspected. This case emphasizes the importance of screening patients appropriately for malignancy in patients with an inflammatory myopathy and reveals the poor prognosis associated with this disease.

The clinical presentation of bladder cancer typically presents with hematuria; changes in voiding habits such as urgency, frequency, and pain; or less commonly, obstructive symptoms. Rarely does bladder cancer first present as part of a paraneoplastic syndrome with an inflammatory myopathy. Inflammatory myopathies such as dermatomyositis have been known to be associated with malignancy, however, in a meta-analysis by Yang and colleagues of 449 patients with dermatomyositis and malignancy there were only 8 cases reported of bladder cancer.1 Herein, we report a paraneoplastic dermatomyositis in the setting of a bladder cancer.

Case presentation and summary

A 65-year-old man with a medical history of hypertension and alcohol use presented to the emergency department with worsening pain, stiffness in the neck, shoulders, and inability to lift his arms above his shoulders. During the physical exam, an erythematous purple rash was noted over his chest, neck, and arms. Upon further evaluation, his creatine phosphokinase was 3,500 U/L (reference range 52-336 U/L) suggesting muscle breakdown and possible inflammatory myopathy. A biopsy of the left deltoid and quadriceps muscles was performed and yielded a diagnosis of dermatomyositis. He was treated with prednisone 60 mg daily for his inflammatory myopathy. The patient also reported an unintentional weight loss of 20 lbs. and increasing weakness and inability to swallow, which caused aspiration events without developing pneumonia.

The patient’s symptoms worsened while he was on steroids, and we became concerned about the possibility of a primary malignancy, which led to further work-up. The results of a computed-tomography (CT) scan of the abdomen and pelvis showed right-sided hydronephrosis and hydrourteter with an irregular, soft-tissue density mass of 4.7 x 3.2 x 4.2 cm along the posterior wall of the bladder (Figure 1).



A cystoscopy was performed with transurethral resection of a bladder tumor that was more than 8 cm in diameter. Because the mass was not fully resectable, only 25% of the tumor burden was removed. The pathology report revealed an invasive, high-grade urothelial cell carcinoma (Figure 2, see PDF). Further imaging ruled out metastatic spread. The patient was continued on steroids. He was not a candidate for neoadjuvant chemotherapy because of his comorbidities and cisplatin ineligibility owing to his significant bilateral hearing deficiencies. Members of a multidisciplinary tumor board decided to move forward with definitive surgery. The patient underwent a robotic-assisted laparoscoptic cystoprostatectomy with bilateral pelvic lymph node dissection and open ileal conduit urinary diversion. Staging of tumor was determined as pT3b N1 (1/30) M0, LVI+. After the surgery, the patient had resolution of his rash and significant improvement in his muscle weakness with the ability to raise his arms over his head and climb stairs. Adjuvant chemotherapy was not given since he was cisplatin ineligible as a result of his hearing loss. Active surveillance was preferred.

Four months after his cystoprostatectomy, he experienced new-onset hip pain and further imaging, including a bone scan, was performed. It showed metastatic disease in the ischium and iliac crest (Figure 3).



The patient decided to forgo any palliative chemotherapy and to have palliative radiation for pain and enroll in hospice. He died nine months after the initial diagnosis of urothelial cell carcinoma.

Discussion

Dermatomyositis is one of the inflammatory myopathies with a clinical presentation of proximal muscle weakness and characteristic skin findings of Gottron papules and heliotrope eruption. The most common subgroups of inflammatory myopathies are dermatomyositis, polymyositis, necrotizing autoimmune myopathy, and inclusion body myopathy. The pathogenesis of inflammatory myopathies is not well understood; however, some theories have been described, including: type 1 interferon signaling causing myofiber injury and antibody-complement mediated processes causing ischemia resulting in myofiber injury. 2,3 The diagnoses of inflammatory myopathies may be suggested based on history, physical examination findings, laboratory values showing muscle injury (creatine kinase, aldolase, ALT, AST, LDH), myositis-specific antibodies (antisynthetase autoantibodies), electromyogram, and magnetic-resonance imaging. However, muscle biopsy remains the gold standard.4

The initial treatment of inflammatory myopathies begins with glucocorticoid therapy at 0.5-1.0 mg/kg. This regimen may be titrated down over 6 weeks to a level adequate to control symptoms. Even while on glucocorticoid therapy, this patient’s symptoms continued, along with the development of dysphagia. Dysphagia is another notable symptom of dermatomyositis that may result in aspiration pneumonia with fatal outcomes.5,6,7 Not only did this patient initially respond poorly to corticosteroids, but the unintentional weight loss was another alarming feature prompting further evaluation. That led to the diagnosis of urothelial cell carcinoma, which was causing the paraneoplastic syndrome.

A paraneoplastic syndrome is a collection of symptoms that are observed in organ systems separate from the primary disease. This process is mostly caused by an autoimmune response to the tumor and nervous system.8 Inflammatory myopathies, such as dermatomyositis, have been shown to be associated with a variety of malignancies as part of a paraneoplastic syndrome. The most common cancers associated with dermatomyositis are ovarian, lung, pancreatic, stomach, colorectal, and non-Hodgkin lymphoma.9 Although an association between dermatomyositis and bladder cancer has been established, very few cases have been reported in the literature. In the Yang meta-analysis, the relative risk of malignancy for patients with dermatomyositis was 5.5%, and of the 449 patients with dermatomyositis who had malignancy, only 8 cases of bladder cancer were reported.1

After a patient has been diagnosed with an inflammatory myopathy, there should be further evaluation for an underling malignancy causing a paraneoplastic process. The risk of these patients having a malignancy overall is 4.5 times higher than patients without dermatomyositis.1 Definite screening recommendations have not been established, but screening should be based on patient’s age, gender, and clinical scenario. The European Federation of Neurological Societies formed a task force to focus on malignancy screening of paraneoplastic neurological syndromes and included dermatomyositis as one of the signs.10 Patients should have a CT scan of the chest, abdomen, and pelvis. Women should have a mammogram and a pelvis ultrasound. Men younger than 50 years should consider testes ultrasound, and patients older than 50 years should undergo usual colonoscopy screening.

The risk of malignancy is highest in the first year after diagnosis, but may extend to 5 years after the diagnosis, so repeat screening should be performed 3-6 months after diagnosis, followed with biannual testing for 4 years. If a malignancy is present, then treatment should be tailored to the neoplasm to improve symptoms of myositis; however, response is generally worse than it would be with dermatomyositis in the absence of malignancy. In the present case with bladder cancer, therapies may include platinum-based-chemotherapy, resection, and radiation. Dermatomyositis as a result of a bladder cancer paraneoplastic syndrome is associated with a poor prognosis as demonstrated in the case of this patient and others reported in the literature.11

Even though dermatomyositis is usually a chronic disease process, 87% of patients respond initially to corticosteroid treatment.12 Therefore, treatment should be escalated with an agent such as azathioprine or methotrexate, or, like in this case, an underlying malignancy should be suspected. This case emphasizes the importance of screening patients appropriately for malignancy in patients with an inflammatory myopathy and reveals the poor prognosis associated with this disease.

References

1. Yang Z, Lin F, Qin B, Liang Y, Zhong R. Polymyositis/dermatomyositis and malignancy risk: a metaanalysis study. J Rheumatol. 2015;42(2):282-291.

2. Greenberg, SA. Dermatomyositis and type 1 interferons. Curr Rheumatol Rep. 2010;12(3):198-203.

3. Dalakas, MC, Hohlfeld, R. Polymyositis and dermatomyositis. Lancet. 2003;362(9388):971-982.

4. Malik A, Hayat G, Kalia JS, Guzman MA. Idiopathic inflammatory myopathies: clinical approach and management. Front Neurol. 2016;7:64.

5. Sabio JM, Vargas-Hitos JA, Jiménez-Alonso J. Paraneoplastic dermatomyositis associated with bladder cancer. Lupus. 2006;15(9):619-620.

6. Mallon E, Osborne G, Dinneen M, Lane RJ, Glaser M, Bunker CB. Dermatomyositis in association with transitional cell carcinoma of the bladder. Clin Exp Dermatol. 1999;24(2):94-96.

7. Hafejee A, Coulson IH. Dysphagia in dermatomyositis secondary to bladder cancer: rapid response to combined immunoglobulin and methylprednisolone. Clin Exp Dermatol. 2005;30(1):93-94.

8. Dalmau J, Gultekin HS, Posner JB. Paraneoplastic neurologic syndromes: pathogenesis and physiopathology. Brain Pathol. 1999;9(2):275-284.

9. Hill CL, Zhang Y, Sigureirsson B, et al. Frequency of specific cancer types in dermatomyositis and polymyositis: a population-based study. Lancet. 2001;357(9250):96-100.

10. Titulaer, MJ, Soffietti R, Dalmau J, et al. Screening for tumours in paraneoplastic syndromes: report of an EFNS Task Force. Eur J Neurol. 2011;18(1):19-e3.

11. Xu R, Zhong Z, Jiang H, Zhang L, Zhao X. A rare paraneoplastic dermatomyositis in bladder cancer with fatal outcome. Urol J. 2013;10(1):815-817.

12. Troyanov Y, Targoff IN, Tremblay JL, Goulet JR, Raymond Y, Senecal JL. Novel classification of idiopathic inflammatory myopathies based on overlap syndrome features and autoantibodies: analysis of 100 French Canadian patients. Medicine (Baltimore), 2005;84(4):231-249.

References

1. Yang Z, Lin F, Qin B, Liang Y, Zhong R. Polymyositis/dermatomyositis and malignancy risk: a metaanalysis study. J Rheumatol. 2015;42(2):282-291.

2. Greenberg, SA. Dermatomyositis and type 1 interferons. Curr Rheumatol Rep. 2010;12(3):198-203.

3. Dalakas, MC, Hohlfeld, R. Polymyositis and dermatomyositis. Lancet. 2003;362(9388):971-982.

4. Malik A, Hayat G, Kalia JS, Guzman MA. Idiopathic inflammatory myopathies: clinical approach and management. Front Neurol. 2016;7:64.

5. Sabio JM, Vargas-Hitos JA, Jiménez-Alonso J. Paraneoplastic dermatomyositis associated with bladder cancer. Lupus. 2006;15(9):619-620.

6. Mallon E, Osborne G, Dinneen M, Lane RJ, Glaser M, Bunker CB. Dermatomyositis in association with transitional cell carcinoma of the bladder. Clin Exp Dermatol. 1999;24(2):94-96.

7. Hafejee A, Coulson IH. Dysphagia in dermatomyositis secondary to bladder cancer: rapid response to combined immunoglobulin and methylprednisolone. Clin Exp Dermatol. 2005;30(1):93-94.

8. Dalmau J, Gultekin HS, Posner JB. Paraneoplastic neurologic syndromes: pathogenesis and physiopathology. Brain Pathol. 1999;9(2):275-284.

9. Hill CL, Zhang Y, Sigureirsson B, et al. Frequency of specific cancer types in dermatomyositis and polymyositis: a population-based study. Lancet. 2001;357(9250):96-100.

10. Titulaer, MJ, Soffietti R, Dalmau J, et al. Screening for tumours in paraneoplastic syndromes: report of an EFNS Task Force. Eur J Neurol. 2011;18(1):19-e3.

11. Xu R, Zhong Z, Jiang H, Zhang L, Zhao X. A rare paraneoplastic dermatomyositis in bladder cancer with fatal outcome. Urol J. 2013;10(1):815-817.

12. Troyanov Y, Targoff IN, Tremblay JL, Goulet JR, Raymond Y, Senecal JL. Novel classification of idiopathic inflammatory myopathies based on overlap syndrome features and autoantibodies: analysis of 100 French Canadian patients. Medicine (Baltimore), 2005;84(4):231-249.

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Avoiding in-hospital acute kidney injury is a new imperative

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– Preventing acute kidney injury and its progression in hospitalized patients deserves to be a high priority – and now there is finally proof that it’s doable, Harold M. Szerlip, MD, declared at the annual meeting of the American College of Physicians.

The PrevAKI study, a recent randomized controlled clinical trial conducted by German investigators, has demonstrated that the use of renal biomarkers to identify patients at high risk for acute kidney injury (AKI) after major cardiac surgery and providing them with a range of internationally recommended supportive measures known as the KDIGO (Kidney Disease: Improving Global Outcomes) care bundle reduced the occurrence of moderate-to-severe AKI by 34% (Intensive Care Med. 2017 Nov;43[11]:1551-61).

Bruce Jancin/MDedge News
Dr. Harold M. Szerlip
This finding has generated great excitement within the worlds of nephrology, surgery, and intensive care medicine. Inpatient AKI is a huge yet underappreciated problem which costs the U.S. healthcare system $9 billion annually. The incidence of AKI jumped 6-fold during 2001-2011. AKI occurs in 10%-15% of hospitalized patients, doubles hospital costs, and carries a 25% mortality rate, explained Dr. Szerlip, director of nephrology at Baylor University Medical Center, Dallas.

The enthusiasm that greeted the PrevAKI trial findings is reflected in an editorial entitled, “AKI: the Myth of Inevitability is Finally Shattered,” by John A. Kellum, MD, professor of critical care medicine and director of the Center for Critical Care Nephrology at the University of Pittsburgh. Dr. Kellum noted that the renal biomarker-based approach to implementation of the KDIGO care bundle resulted in an attractively low number needed to treat (NNT) of only 6, whereas without biomarker-based enrichment of the target population, the NNT would have been more than 33.

Now that evidence demonstrates that AKI can be prevented, it is our duty to find more ways to do it,” Dr. Kellum declared in the editorial (Nat Rev Nephrol. 2017 Mar;13[3]:140-1).

Indeed, another way to do it was recently demonstrated in the SALT-ED trial, in which 13,347 noncritically ill hospitalized patients requiring intravenous fluid administration were randomized to conventional saline or balanced crystalloids. The incidence of AKI and other major adverse kidney events was 4.7% in the balanced crystalloids group, for a significant 18% risk reduction relative to the 5.6% rate with saline (N Engl J Med. 2018 Mar 1;378[9]:819-28).

While that absolute 0.9% risk reduction might initially not sound like much, with 35 million people per year getting IV saline while in the hospital, it translates into 315,000 fewer major adverse kidney events as a result of a simple switch to balanced crystalloids, Dr. Szerlip observed.

 

 


The PrevAKI findings validate the concept of AKI ‘golden hours’ during which time potentially reversible early kidney injury detectable via renal biomarkers is occurring prior to the abrupt decline in kidney function measured by change in serum creatinine. “The problem with using change in creatinine to define AKI is the delay in diagnosis, which makes AKI more difficult to treat,” he explained.

The renal biomarkers utilized in PrevAKI were insulin-like growth factor binding protein-7 (IGFBP7) and tissue inhibitor of metalloproteinase-2 (TIMP-2), as incorporated in the commercially available urinary NephroCheck test, which was administered to study participants 4 hours after cardiopulmonary bypass. A test result of 0.3 or more identified a group at high risk for AKI for randomization to the KDIGO bundle or usual care. The KDIGO bundle consists of discontinuation of nephrotoxic agents when feasible, early optimization of fluid status, and maintenance of perfusion pressure.



Patients known to be at increased risk for in-hospital AKI include the elderly, those with diabetes, patients with heart failure or other conditions prone to volume contraction or overload, those undergoing major surgery, individuals with chronic kidney disease, and patients with sepsis.

Dr. Szerlip singled out as particularly nephrotoxic several drugs widely used in hospitalized patients, including the combination of vancomycin plus piperacillin-tazobactam, which in a recent metaanalysis was found to have a number needed to harm of 11 in terms of AKI in comparison to vancomycin monotherapy or vancomycin in combination with cefepime or carbapenem (Crit Care Med. 2018 Jan;46[1]:12-20). He was also critical of the American Society of Anesthesiologists practice parameter recommending that in-hospital pain management plans for surgical patients include continuous regimens of NSAIDs or COX-2 inhibitors as a means of combating the ongoing opioid epidemic.

 

 


“These are highly toxic drugs to the kidney and we shouldn’t be using them,” Dr. Szerlip said.

He reported receiving research grants from LaJolla, Bayer, Akebia, and BioPorto, serving on a speakers’ bureau for Astute Medical, and acting as a consultant to Zs Pharma, Amarin, and LaJolla.

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– Preventing acute kidney injury and its progression in hospitalized patients deserves to be a high priority – and now there is finally proof that it’s doable, Harold M. Szerlip, MD, declared at the annual meeting of the American College of Physicians.

The PrevAKI study, a recent randomized controlled clinical trial conducted by German investigators, has demonstrated that the use of renal biomarkers to identify patients at high risk for acute kidney injury (AKI) after major cardiac surgery and providing them with a range of internationally recommended supportive measures known as the KDIGO (Kidney Disease: Improving Global Outcomes) care bundle reduced the occurrence of moderate-to-severe AKI by 34% (Intensive Care Med. 2017 Nov;43[11]:1551-61).

Bruce Jancin/MDedge News
Dr. Harold M. Szerlip
This finding has generated great excitement within the worlds of nephrology, surgery, and intensive care medicine. Inpatient AKI is a huge yet underappreciated problem which costs the U.S. healthcare system $9 billion annually. The incidence of AKI jumped 6-fold during 2001-2011. AKI occurs in 10%-15% of hospitalized patients, doubles hospital costs, and carries a 25% mortality rate, explained Dr. Szerlip, director of nephrology at Baylor University Medical Center, Dallas.

The enthusiasm that greeted the PrevAKI trial findings is reflected in an editorial entitled, “AKI: the Myth of Inevitability is Finally Shattered,” by John A. Kellum, MD, professor of critical care medicine and director of the Center for Critical Care Nephrology at the University of Pittsburgh. Dr. Kellum noted that the renal biomarker-based approach to implementation of the KDIGO care bundle resulted in an attractively low number needed to treat (NNT) of only 6, whereas without biomarker-based enrichment of the target population, the NNT would have been more than 33.

Now that evidence demonstrates that AKI can be prevented, it is our duty to find more ways to do it,” Dr. Kellum declared in the editorial (Nat Rev Nephrol. 2017 Mar;13[3]:140-1).

Indeed, another way to do it was recently demonstrated in the SALT-ED trial, in which 13,347 noncritically ill hospitalized patients requiring intravenous fluid administration were randomized to conventional saline or balanced crystalloids. The incidence of AKI and other major adverse kidney events was 4.7% in the balanced crystalloids group, for a significant 18% risk reduction relative to the 5.6% rate with saline (N Engl J Med. 2018 Mar 1;378[9]:819-28).

While that absolute 0.9% risk reduction might initially not sound like much, with 35 million people per year getting IV saline while in the hospital, it translates into 315,000 fewer major adverse kidney events as a result of a simple switch to balanced crystalloids, Dr. Szerlip observed.

 

 


The PrevAKI findings validate the concept of AKI ‘golden hours’ during which time potentially reversible early kidney injury detectable via renal biomarkers is occurring prior to the abrupt decline in kidney function measured by change in serum creatinine. “The problem with using change in creatinine to define AKI is the delay in diagnosis, which makes AKI more difficult to treat,” he explained.

The renal biomarkers utilized in PrevAKI were insulin-like growth factor binding protein-7 (IGFBP7) and tissue inhibitor of metalloproteinase-2 (TIMP-2), as incorporated in the commercially available urinary NephroCheck test, which was administered to study participants 4 hours after cardiopulmonary bypass. A test result of 0.3 or more identified a group at high risk for AKI for randomization to the KDIGO bundle or usual care. The KDIGO bundle consists of discontinuation of nephrotoxic agents when feasible, early optimization of fluid status, and maintenance of perfusion pressure.



Patients known to be at increased risk for in-hospital AKI include the elderly, those with diabetes, patients with heart failure or other conditions prone to volume contraction or overload, those undergoing major surgery, individuals with chronic kidney disease, and patients with sepsis.

Dr. Szerlip singled out as particularly nephrotoxic several drugs widely used in hospitalized patients, including the combination of vancomycin plus piperacillin-tazobactam, which in a recent metaanalysis was found to have a number needed to harm of 11 in terms of AKI in comparison to vancomycin monotherapy or vancomycin in combination with cefepime or carbapenem (Crit Care Med. 2018 Jan;46[1]:12-20). He was also critical of the American Society of Anesthesiologists practice parameter recommending that in-hospital pain management plans for surgical patients include continuous regimens of NSAIDs or COX-2 inhibitors as a means of combating the ongoing opioid epidemic.

 

 


“These are highly toxic drugs to the kidney and we shouldn’t be using them,” Dr. Szerlip said.

He reported receiving research grants from LaJolla, Bayer, Akebia, and BioPorto, serving on a speakers’ bureau for Astute Medical, and acting as a consultant to Zs Pharma, Amarin, and LaJolla.

 

– Preventing acute kidney injury and its progression in hospitalized patients deserves to be a high priority – and now there is finally proof that it’s doable, Harold M. Szerlip, MD, declared at the annual meeting of the American College of Physicians.

The PrevAKI study, a recent randomized controlled clinical trial conducted by German investigators, has demonstrated that the use of renal biomarkers to identify patients at high risk for acute kidney injury (AKI) after major cardiac surgery and providing them with a range of internationally recommended supportive measures known as the KDIGO (Kidney Disease: Improving Global Outcomes) care bundle reduced the occurrence of moderate-to-severe AKI by 34% (Intensive Care Med. 2017 Nov;43[11]:1551-61).

Bruce Jancin/MDedge News
Dr. Harold M. Szerlip
This finding has generated great excitement within the worlds of nephrology, surgery, and intensive care medicine. Inpatient AKI is a huge yet underappreciated problem which costs the U.S. healthcare system $9 billion annually. The incidence of AKI jumped 6-fold during 2001-2011. AKI occurs in 10%-15% of hospitalized patients, doubles hospital costs, and carries a 25% mortality rate, explained Dr. Szerlip, director of nephrology at Baylor University Medical Center, Dallas.

The enthusiasm that greeted the PrevAKI trial findings is reflected in an editorial entitled, “AKI: the Myth of Inevitability is Finally Shattered,” by John A. Kellum, MD, professor of critical care medicine and director of the Center for Critical Care Nephrology at the University of Pittsburgh. Dr. Kellum noted that the renal biomarker-based approach to implementation of the KDIGO care bundle resulted in an attractively low number needed to treat (NNT) of only 6, whereas without biomarker-based enrichment of the target population, the NNT would have been more than 33.

Now that evidence demonstrates that AKI can be prevented, it is our duty to find more ways to do it,” Dr. Kellum declared in the editorial (Nat Rev Nephrol. 2017 Mar;13[3]:140-1).

Indeed, another way to do it was recently demonstrated in the SALT-ED trial, in which 13,347 noncritically ill hospitalized patients requiring intravenous fluid administration were randomized to conventional saline or balanced crystalloids. The incidence of AKI and other major adverse kidney events was 4.7% in the balanced crystalloids group, for a significant 18% risk reduction relative to the 5.6% rate with saline (N Engl J Med. 2018 Mar 1;378[9]:819-28).

While that absolute 0.9% risk reduction might initially not sound like much, with 35 million people per year getting IV saline while in the hospital, it translates into 315,000 fewer major adverse kidney events as a result of a simple switch to balanced crystalloids, Dr. Szerlip observed.

 

 


The PrevAKI findings validate the concept of AKI ‘golden hours’ during which time potentially reversible early kidney injury detectable via renal biomarkers is occurring prior to the abrupt decline in kidney function measured by change in serum creatinine. “The problem with using change in creatinine to define AKI is the delay in diagnosis, which makes AKI more difficult to treat,” he explained.

The renal biomarkers utilized in PrevAKI were insulin-like growth factor binding protein-7 (IGFBP7) and tissue inhibitor of metalloproteinase-2 (TIMP-2), as incorporated in the commercially available urinary NephroCheck test, which was administered to study participants 4 hours after cardiopulmonary bypass. A test result of 0.3 or more identified a group at high risk for AKI for randomization to the KDIGO bundle or usual care. The KDIGO bundle consists of discontinuation of nephrotoxic agents when feasible, early optimization of fluid status, and maintenance of perfusion pressure.



Patients known to be at increased risk for in-hospital AKI include the elderly, those with diabetes, patients with heart failure or other conditions prone to volume contraction or overload, those undergoing major surgery, individuals with chronic kidney disease, and patients with sepsis.

Dr. Szerlip singled out as particularly nephrotoxic several drugs widely used in hospitalized patients, including the combination of vancomycin plus piperacillin-tazobactam, which in a recent metaanalysis was found to have a number needed to harm of 11 in terms of AKI in comparison to vancomycin monotherapy or vancomycin in combination with cefepime or carbapenem (Crit Care Med. 2018 Jan;46[1]:12-20). He was also critical of the American Society of Anesthesiologists practice parameter recommending that in-hospital pain management plans for surgical patients include continuous regimens of NSAIDs or COX-2 inhibitors as a means of combating the ongoing opioid epidemic.

 

 


“These are highly toxic drugs to the kidney and we shouldn’t be using them,” Dr. Szerlip said.

He reported receiving research grants from LaJolla, Bayer, Akebia, and BioPorto, serving on a speakers’ bureau for Astute Medical, and acting as a consultant to Zs Pharma, Amarin, and LaJolla.

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VIDEO: Novel postpartum depression drug effective in phase 3 trial

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– A novel therapeutic agent shows promise for postpartum depression in a phase 3 trial presented at the annual clinical and scientific meeting of the American College of Obstetricians and Gynecologists.

Brexanolone, administered intravenously, differs from other antidepressants currently used to treat postpartum depression. It targets GABAA receptors, according to presenter Christine Clemson, PhD, senior medical director at Sage Therapeutics, the company developing brexanolone.

The randomized, placebo-controlled, double-blind study enrolled 138 women who were 6 months postpartum or less, and had been diagnosed with a major depressive episode during the third trimester or at 4 or fewer weeks postpartum, and had a 17-item Hamilton Rating Scale for Depression (HAM-D) score of 26 or greater.

They were randomized to either brexanolone 60 mcg/kg/hour or 90 mcg/kg/hour administered intravenously over 60 hours as inpatients, or placebo. All three groups were an average aged 27 years old, the majority were white, and they had a HAM-D score between 28.4 and 29.1 at baseline.

After the first 60 hours of treatment, patients in the brexanolone group had mean reductions in the HAM-D score of about 20 in the 60 mcg group (P less than .01) and 18 in the 90 mcg group (P less than .05), compared with almost 14 in the placebo group. This was the primary endpoint,

Patients retained improvement through day 30, while those in the placebo group experienced a slight swing in the opposite direction.

Adverse effects in the brexanolone-treated groups were minimal; the majority of events reported were headaches or dizziness. However, Dr. Clemson said that some patients had to stop breastfeeding for a week.

 

 


An application for brexanolone for treating postpartum depression was submitted to the Food and Drug Administration on April 23; if approved, it would be the first drug of its kind to become available to treat postpartum depression.

The study was funded by Sage Therapeutics; two of the six authors are company employees. Two authors, including the lead author, are from the department of psychiatry, at the University of North Carolina, Chapel Hill.

SOURCE: S. Meltzer-Brody S et al. ACOG 2018, Poster 29B.

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– A novel therapeutic agent shows promise for postpartum depression in a phase 3 trial presented at the annual clinical and scientific meeting of the American College of Obstetricians and Gynecologists.

Brexanolone, administered intravenously, differs from other antidepressants currently used to treat postpartum depression. It targets GABAA receptors, according to presenter Christine Clemson, PhD, senior medical director at Sage Therapeutics, the company developing brexanolone.

The randomized, placebo-controlled, double-blind study enrolled 138 women who were 6 months postpartum or less, and had been diagnosed with a major depressive episode during the third trimester or at 4 or fewer weeks postpartum, and had a 17-item Hamilton Rating Scale for Depression (HAM-D) score of 26 or greater.

They were randomized to either brexanolone 60 mcg/kg/hour or 90 mcg/kg/hour administered intravenously over 60 hours as inpatients, or placebo. All three groups were an average aged 27 years old, the majority were white, and they had a HAM-D score between 28.4 and 29.1 at baseline.

After the first 60 hours of treatment, patients in the brexanolone group had mean reductions in the HAM-D score of about 20 in the 60 mcg group (P less than .01) and 18 in the 90 mcg group (P less than .05), compared with almost 14 in the placebo group. This was the primary endpoint,

Patients retained improvement through day 30, while those in the placebo group experienced a slight swing in the opposite direction.

Adverse effects in the brexanolone-treated groups were minimal; the majority of events reported were headaches or dizziness. However, Dr. Clemson said that some patients had to stop breastfeeding for a week.

 

 


An application for brexanolone for treating postpartum depression was submitted to the Food and Drug Administration on April 23; if approved, it would be the first drug of its kind to become available to treat postpartum depression.

The study was funded by Sage Therapeutics; two of the six authors are company employees. Two authors, including the lead author, are from the department of psychiatry, at the University of North Carolina, Chapel Hill.

SOURCE: S. Meltzer-Brody S et al. ACOG 2018, Poster 29B.

– A novel therapeutic agent shows promise for postpartum depression in a phase 3 trial presented at the annual clinical and scientific meeting of the American College of Obstetricians and Gynecologists.

Brexanolone, administered intravenously, differs from other antidepressants currently used to treat postpartum depression. It targets GABAA receptors, according to presenter Christine Clemson, PhD, senior medical director at Sage Therapeutics, the company developing brexanolone.

The randomized, placebo-controlled, double-blind study enrolled 138 women who were 6 months postpartum or less, and had been diagnosed with a major depressive episode during the third trimester or at 4 or fewer weeks postpartum, and had a 17-item Hamilton Rating Scale for Depression (HAM-D) score of 26 or greater.

They were randomized to either brexanolone 60 mcg/kg/hour or 90 mcg/kg/hour administered intravenously over 60 hours as inpatients, or placebo. All three groups were an average aged 27 years old, the majority were white, and they had a HAM-D score between 28.4 and 29.1 at baseline.

After the first 60 hours of treatment, patients in the brexanolone group had mean reductions in the HAM-D score of about 20 in the 60 mcg group (P less than .01) and 18 in the 90 mcg group (P less than .05), compared with almost 14 in the placebo group. This was the primary endpoint,

Patients retained improvement through day 30, while those in the placebo group experienced a slight swing in the opposite direction.

Adverse effects in the brexanolone-treated groups were minimal; the majority of events reported were headaches or dizziness. However, Dr. Clemson said that some patients had to stop breastfeeding for a week.

 

 


An application for brexanolone for treating postpartum depression was submitted to the Food and Drug Administration on April 23; if approved, it would be the first drug of its kind to become available to treat postpartum depression.

The study was funded by Sage Therapeutics; two of the six authors are company employees. Two authors, including the lead author, are from the department of psychiatry, at the University of North Carolina, Chapel Hill.

SOURCE: S. Meltzer-Brody S et al. ACOG 2018, Poster 29B.

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