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NEW ORLEANS – Real-world data support the use of macitentan to treat pulmonary arterial hypertension (PAH) associated with connective tissue disease, according to a speaker at the annual meeting of the American College of Chest Physicians.
Outcomes of macitentan (Opsumit) treatment were similar in patients who had PAH associated with systemic sclerosis (PAH-SSc) and patients who had idiopathic PAH (IPAH) or heritable PAH (HPAH), Vallerie McLaughlin, MD, of the University of Michigan, Ann Arbor, said at the meeting.
“Within the limits of a real-world registry, these data add to the growing body of evidence supporting the use of macitentan for treatment in patients with CTD [connective tissue disease],” Dr. McLaughlin said.
She and her colleagues evaluated data from the prospective OPUS registry (NCT02126943) and the retrospective OrPHeUS study (NCT03197688), both of which included patients who were newly started on macitentan.
Dr. McLaughlin presented data on 2,311 patients with IPAH/HPAH and 668 patients with PAH-SSc. She also presented data on patients with PAH-systemic lupus erythematosus and PAH-mixed CTD, but numbers in these groups were small, and outcomes were similar to those in the PAH-SSc group.
Demographic and disease characteristics at the start of macitentan were similar between the IPAH/HPAH and PAH-SSc groups. The median age was 64 years in both groups. The median time from PAH diagnosis was 7.6 months in the IPAH/HPAH group and 8.5 months in the PAH-SSc group.
The median duration of macitentan exposure was 13.4 months in the IPAH/HPAH group and 14.4 months in the PAH-SSc group. The proportion of patients receiving macitentan in combination with other therapies (double or triple combinations) increased from baseline to 6 months in both groups.
Hepatic adverse events occurred in 7.4% of IPAH/HPAH patients and 7.9% of PAH-SSc patients. The most common adverse events among the IPAH/HPAH and PAH-SSc groups in the OPUS registry alone were dyspnea (19% and 26.1%, respectively), peripheral edema (9.8% and 12.4%), fatigue (6.8% and 11.7%), anemia (6.7% and 11.7%), headache (10.2% and 11%), and dizziness (6.7% and 10.7%).
About 39% of patients in both groups discontinued macitentan. Similar proportions in each group discontinued because of adverse events (17% in the IPAH/HPAH group and 18.3% in the PAH-SSc group) and hepatic adverse events (0.2% and 0.7%, respectively).
The proportion of patients with at least one hospitalization was 36.2% in the IPAH/HPAH group and 40.1% in the PAH-SSc group.
The 12-month Kaplan-Meier survival estimate was 92.9% in the IPAH/HPAH group and 91.3% in the PAH-SSc group. The 24-month estimated survival rate was 85.6% and 82.1%, respectively.
The OPUS registry and OrPHeUS study are sponsored by Actelion. Dr. McLaughlin disclosed relationships with Actelion, Acceleron, Bayer, Caremark, CiVi Biopharma, Reata, Sonovie, and United Therapeutics.
SOURCE: McLaughlin V et al. CHEST 2019. Abstract, doi: 10.1016/j.chest.2019.08.827.
NEW ORLEANS – Real-world data support the use of macitentan to treat pulmonary arterial hypertension (PAH) associated with connective tissue disease, according to a speaker at the annual meeting of the American College of Chest Physicians.
Outcomes of macitentan (Opsumit) treatment were similar in patients who had PAH associated with systemic sclerosis (PAH-SSc) and patients who had idiopathic PAH (IPAH) or heritable PAH (HPAH), Vallerie McLaughlin, MD, of the University of Michigan, Ann Arbor, said at the meeting.
“Within the limits of a real-world registry, these data add to the growing body of evidence supporting the use of macitentan for treatment in patients with CTD [connective tissue disease],” Dr. McLaughlin said.
She and her colleagues evaluated data from the prospective OPUS registry (NCT02126943) and the retrospective OrPHeUS study (NCT03197688), both of which included patients who were newly started on macitentan.
Dr. McLaughlin presented data on 2,311 patients with IPAH/HPAH and 668 patients with PAH-SSc. She also presented data on patients with PAH-systemic lupus erythematosus and PAH-mixed CTD, but numbers in these groups were small, and outcomes were similar to those in the PAH-SSc group.
Demographic and disease characteristics at the start of macitentan were similar between the IPAH/HPAH and PAH-SSc groups. The median age was 64 years in both groups. The median time from PAH diagnosis was 7.6 months in the IPAH/HPAH group and 8.5 months in the PAH-SSc group.
The median duration of macitentan exposure was 13.4 months in the IPAH/HPAH group and 14.4 months in the PAH-SSc group. The proportion of patients receiving macitentan in combination with other therapies (double or triple combinations) increased from baseline to 6 months in both groups.
Hepatic adverse events occurred in 7.4% of IPAH/HPAH patients and 7.9% of PAH-SSc patients. The most common adverse events among the IPAH/HPAH and PAH-SSc groups in the OPUS registry alone were dyspnea (19% and 26.1%, respectively), peripheral edema (9.8% and 12.4%), fatigue (6.8% and 11.7%), anemia (6.7% and 11.7%), headache (10.2% and 11%), and dizziness (6.7% and 10.7%).
About 39% of patients in both groups discontinued macitentan. Similar proportions in each group discontinued because of adverse events (17% in the IPAH/HPAH group and 18.3% in the PAH-SSc group) and hepatic adverse events (0.2% and 0.7%, respectively).
The proportion of patients with at least one hospitalization was 36.2% in the IPAH/HPAH group and 40.1% in the PAH-SSc group.
The 12-month Kaplan-Meier survival estimate was 92.9% in the IPAH/HPAH group and 91.3% in the PAH-SSc group. The 24-month estimated survival rate was 85.6% and 82.1%, respectively.
The OPUS registry and OrPHeUS study are sponsored by Actelion. Dr. McLaughlin disclosed relationships with Actelion, Acceleron, Bayer, Caremark, CiVi Biopharma, Reata, Sonovie, and United Therapeutics.
SOURCE: McLaughlin V et al. CHEST 2019. Abstract, doi: 10.1016/j.chest.2019.08.827.
NEW ORLEANS – Real-world data support the use of macitentan to treat pulmonary arterial hypertension (PAH) associated with connective tissue disease, according to a speaker at the annual meeting of the American College of Chest Physicians.
Outcomes of macitentan (Opsumit) treatment were similar in patients who had PAH associated with systemic sclerosis (PAH-SSc) and patients who had idiopathic PAH (IPAH) or heritable PAH (HPAH), Vallerie McLaughlin, MD, of the University of Michigan, Ann Arbor, said at the meeting.
“Within the limits of a real-world registry, these data add to the growing body of evidence supporting the use of macitentan for treatment in patients with CTD [connective tissue disease],” Dr. McLaughlin said.
She and her colleagues evaluated data from the prospective OPUS registry (NCT02126943) and the retrospective OrPHeUS study (NCT03197688), both of which included patients who were newly started on macitentan.
Dr. McLaughlin presented data on 2,311 patients with IPAH/HPAH and 668 patients with PAH-SSc. She also presented data on patients with PAH-systemic lupus erythematosus and PAH-mixed CTD, but numbers in these groups were small, and outcomes were similar to those in the PAH-SSc group.
Demographic and disease characteristics at the start of macitentan were similar between the IPAH/HPAH and PAH-SSc groups. The median age was 64 years in both groups. The median time from PAH diagnosis was 7.6 months in the IPAH/HPAH group and 8.5 months in the PAH-SSc group.
The median duration of macitentan exposure was 13.4 months in the IPAH/HPAH group and 14.4 months in the PAH-SSc group. The proportion of patients receiving macitentan in combination with other therapies (double or triple combinations) increased from baseline to 6 months in both groups.
Hepatic adverse events occurred in 7.4% of IPAH/HPAH patients and 7.9% of PAH-SSc patients. The most common adverse events among the IPAH/HPAH and PAH-SSc groups in the OPUS registry alone were dyspnea (19% and 26.1%, respectively), peripheral edema (9.8% and 12.4%), fatigue (6.8% and 11.7%), anemia (6.7% and 11.7%), headache (10.2% and 11%), and dizziness (6.7% and 10.7%).
About 39% of patients in both groups discontinued macitentan. Similar proportions in each group discontinued because of adverse events (17% in the IPAH/HPAH group and 18.3% in the PAH-SSc group) and hepatic adverse events (0.2% and 0.7%, respectively).
The proportion of patients with at least one hospitalization was 36.2% in the IPAH/HPAH group and 40.1% in the PAH-SSc group.
The 12-month Kaplan-Meier survival estimate was 92.9% in the IPAH/HPAH group and 91.3% in the PAH-SSc group. The 24-month estimated survival rate was 85.6% and 82.1%, respectively.
The OPUS registry and OrPHeUS study are sponsored by Actelion. Dr. McLaughlin disclosed relationships with Actelion, Acceleron, Bayer, Caremark, CiVi Biopharma, Reata, Sonovie, and United Therapeutics.
SOURCE: McLaughlin V et al. CHEST 2019. Abstract, doi: 10.1016/j.chest.2019.08.827.
REPORTING FROM CHEST 2019