Key clinical point: Having siblings and being born second or later is associated with a marginally reduced lifetime risk of developing atopic dermatitis (AD).

Major finding: Children born in the birth order ≥2 vs 1 had a 9% lower risk for ever AD (pooled risk ratio [RR] 0.91; 95% CI 0.84-0.98), and a sibship size ≥2 vs 1 was associated with an 8% lower risk for ever AD (RR 0.92; 95% CI 0.86-0.97) and a 10% lower risk for current AD (RR 0.90; 95% CI 0.83-0.98).

Study details: Findings are from a meta-analysis of 102 observational studies that analyzed the association between birth order or sibship size and the risk for AD.

Disclosures: This study did not disclose the source of funding. H Kankaanranta declared receiving lecture and consulting fees from various sources. The other authors declared no conflicts of interest.

Source: Lisik D et al. Birth order, sibship size, and risk of atopic dermatitis, food allergy, and atopy: A systematic review and meta‐analysis. Clin Transl Allergy. 2023;13(6):e12270 (Jun 17). Doi: 10.1002/clt2.12270

Key clinical point: Having siblings and being born second or later is associated with a marginally reduced lifetime risk of developing atopic dermatitis (AD).

Major finding: Children born in the birth order ≥2 vs 1 had a 9% lower risk for ever AD (pooled risk ratio [RR] 0.91; 95% CI 0.84-0.98), and a sibship size ≥2 vs 1 was associated with an 8% lower risk for ever AD (RR 0.92; 95% CI 0.86-0.97) and a 10% lower risk for current AD (RR 0.90; 95% CI 0.83-0.98).

Study details: Findings are from a meta-analysis of 102 observational studies that analyzed the association between birth order or sibship size and the risk for AD.

Disclosures: This study did not disclose the source of funding. H Kankaanranta declared receiving lecture and consulting fees from various sources. The other authors declared no conflicts of interest.

Source: Lisik D et al. Birth order, sibship size, and risk of atopic dermatitis, food allergy, and atopy: A systematic review and meta‐analysis. Clin Transl Allergy. 2023;13(6):e12270 (Jun 17). Doi: 10.1002/clt2.12270

Key clinical point: Having siblings and being born second or later is associated with a marginally reduced lifetime risk of developing atopic dermatitis (AD).

Major finding: Children born in the birth order ≥2 vs 1 had a 9% lower risk for ever AD (pooled risk ratio [RR] 0.91; 95% CI 0.84-0.98), and a sibship size ≥2 vs 1 was associated with an 8% lower risk for ever AD (RR 0.92; 95% CI 0.86-0.97) and a 10% lower risk for current AD (RR 0.90; 95% CI 0.83-0.98).

Study details: Findings are from a meta-analysis of 102 observational studies that analyzed the association between birth order or sibship size and the risk for AD.

Disclosures: This study did not disclose the source of funding. H Kankaanranta declared receiving lecture and consulting fees from various sources. The other authors declared no conflicts of interest.

Source: Lisik D et al. Birth order, sibship size, and risk of atopic dermatitis, food allergy, and atopy: A systematic review and meta‐analysis. Clin Transl Allergy. 2023;13(6):e12270 (Jun 17). Doi: 10.1002/clt2.12270

Key clinical point: Probiotic intake by breastfeeding mothers reduced atopic dermatitis (AD) incidence in children by half, whereas in children receiving probiotic supplementation, AD incidence decreased by 22% only.

Major finding: Probiotic intake by pregnant and breastfeeding mothers, pregnant and breastfeeding mothers and children, and pregnant mothers and children reduced the incidence of pediatric AD by 49% (relative risk [RR] 0.51; 95% CI 0.39-0.66), 39% (RR 0.61; 95% CI 0.43-0.86), and 27% (RR 0.73; 95% CI 0.63-0.86), respectively. Children receiving probiotics vs placebo had a 22% lower incidence of AD (RR 0.78; 95% CI 0.64-0.94).

Study details: Findings are from a systematic review and meta-analysis of 75 studies on the prophylactic (n = 8754 participants) or therapeutic (n = 2021 children) effects of probiotics in children age ≤ 18 years, including 17 studies involving 2844 children who received probiotics or placebo.

Disclosures: This study did not declare the source of funding. M Steinhoff declared receiving research funds from and serving as an advisor and consultant for various organizations.

Source: Husein-ElAhmed H and Steinhoff M. Meta-analysis on preventive and therapeutic effects of probiotic supplementation in infant atopic dermatitis. J Dtsch Dermatol Ges. 2023 (Jun 22). Doi: 10.1111/ddg.15120

Key clinical point: Probiotic intake by breastfeeding mothers reduced atopic dermatitis (AD) incidence in children by half, whereas in children receiving probiotic supplementation, AD incidence decreased by 22% only.

Major finding: Probiotic intake by pregnant and breastfeeding mothers, pregnant and breastfeeding mothers and children, and pregnant mothers and children reduced the incidence of pediatric AD by 49% (relative risk [RR] 0.51; 95% CI 0.39-0.66), 39% (RR 0.61; 95% CI 0.43-0.86), and 27% (RR 0.73; 95% CI 0.63-0.86), respectively. Children receiving probiotics vs placebo had a 22% lower incidence of AD (RR 0.78; 95% CI 0.64-0.94).

Study details: Findings are from a systematic review and meta-analysis of 75 studies on the prophylactic (n = 8754 participants) or therapeutic (n = 2021 children) effects of probiotics in children age ≤ 18 years, including 17 studies involving 2844 children who received probiotics or placebo.

Disclosures: This study did not declare the source of funding. M Steinhoff declared receiving research funds from and serving as an advisor and consultant for various organizations.

Source: Husein-ElAhmed H and Steinhoff M. Meta-analysis on preventive and therapeutic effects of probiotic supplementation in infant atopic dermatitis. J Dtsch Dermatol Ges. 2023 (Jun 22). Doi: 10.1111/ddg.15120

Key clinical point: Probiotic intake by breastfeeding mothers reduced atopic dermatitis (AD) incidence in children by half, whereas in children receiving probiotic supplementation, AD incidence decreased by 22% only.

Major finding: Probiotic intake by pregnant and breastfeeding mothers, pregnant and breastfeeding mothers and children, and pregnant mothers and children reduced the incidence of pediatric AD by 49% (relative risk [RR] 0.51; 95% CI 0.39-0.66), 39% (RR 0.61; 95% CI 0.43-0.86), and 27% (RR 0.73; 95% CI 0.63-0.86), respectively. Children receiving probiotics vs placebo had a 22% lower incidence of AD (RR 0.78; 95% CI 0.64-0.94).

Study details: Findings are from a systematic review and meta-analysis of 75 studies on the prophylactic (n = 8754 participants) or therapeutic (n = 2021 children) effects of probiotics in children age ≤ 18 years, including 17 studies involving 2844 children who received probiotics or placebo.

Disclosures: This study did not declare the source of funding. M Steinhoff declared receiving research funds from and serving as an advisor and consultant for various organizations.

Source: Husein-ElAhmed H and Steinhoff M. Meta-analysis on preventive and therapeutic effects of probiotic supplementation in infant atopic dermatitis. J Dtsch Dermatol Ges. 2023 (Jun 22). Doi: 10.1111/ddg.15120

Key clinical point: A history of herpes zoster (HZ) infection is a predictive factor for the occurrence of HZ in patients with moderate-to-severe atopic dermatitis (AD) during upadacitinib therapy.

Major finding: The incidence of a history of HZ was significantly higher in patients with vs without the occurrence of HZ in the 15 mg upadacitinib (70% vs 3%), 30 mg upadacitinib (100% vs 10%), and overall (79% vs 5%) groups (all P < .01). HZ history was significantly associated with the occurrence of HZ during treatment in the 15 mg upadacitinib (adjusted odds ratio [aOR] 172) and overall (aOR 74.6) groups (both P < .01).

Study details: Findings are from a retrospective analysis of 112 patients aged ≥12 years with moderate-to-severe AD who received 15 mg upadacitinib (n = 78) or 30 mg upadacitinib (n = 34) daily for 3-9 months.

Disclosures: This study did not declare the funding source. All authors, except E Fujimoto, declared receiving research funding or lecture fees from AbbVie GK.

Source: Hagino T et al. Background factors predicting the occurrence of herpes zoster in atopic dermatitis patients treated with upadacitinib. J Dermatol. 2023 (Jul 3). Doi: 10.1111/1346-8138.16879

Key clinical point: A history of herpes zoster (HZ) infection is a predictive factor for the occurrence of HZ in patients with moderate-to-severe atopic dermatitis (AD) during upadacitinib therapy.

Major finding: The incidence of a history of HZ was significantly higher in patients with vs without the occurrence of HZ in the 15 mg upadacitinib (70% vs 3%), 30 mg upadacitinib (100% vs 10%), and overall (79% vs 5%) groups (all P < .01). HZ history was significantly associated with the occurrence of HZ during treatment in the 15 mg upadacitinib (adjusted odds ratio [aOR] 172) and overall (aOR 74.6) groups (both P < .01).

Study details: Findings are from a retrospective analysis of 112 patients aged ≥12 years with moderate-to-severe AD who received 15 mg upadacitinib (n = 78) or 30 mg upadacitinib (n = 34) daily for 3-9 months.

Disclosures: This study did not declare the funding source. All authors, except E Fujimoto, declared receiving research funding or lecture fees from AbbVie GK.

Source: Hagino T et al. Background factors predicting the occurrence of herpes zoster in atopic dermatitis patients treated with upadacitinib. J Dermatol. 2023 (Jul 3). Doi: 10.1111/1346-8138.16879

Key clinical point: A history of herpes zoster (HZ) infection is a predictive factor for the occurrence of HZ in patients with moderate-to-severe atopic dermatitis (AD) during upadacitinib therapy.

Major finding: The incidence of a history of HZ was significantly higher in patients with vs without the occurrence of HZ in the 15 mg upadacitinib (70% vs 3%), 30 mg upadacitinib (100% vs 10%), and overall (79% vs 5%) groups (all P < .01). HZ history was significantly associated with the occurrence of HZ during treatment in the 15 mg upadacitinib (adjusted odds ratio [aOR] 172) and overall (aOR 74.6) groups (both P < .01).

Study details: Findings are from a retrospective analysis of 112 patients aged ≥12 years with moderate-to-severe AD who received 15 mg upadacitinib (n = 78) or 30 mg upadacitinib (n = 34) daily for 3-9 months.

Disclosures: This study did not declare the funding source. All authors, except E Fujimoto, declared receiving research funding or lecture fees from AbbVie GK.

Source: Hagino T et al. Background factors predicting the occurrence of herpes zoster in atopic dermatitis patients treated with upadacitinib. J Dermatol. 2023 (Jul 3). Doi: 10.1111/1346-8138.16879

Key clinical point: Infants with atopic dermatitis (AD) experience significant bronchial obstruction regardless of disease severity, food sensitivity, and a history of recurrent wheezing.

Major finding: Tidal breath analysis revealed that the AD vs control group had significantly lower time to peak tidal expiratory flow (TPTEF; P = .001), exhaled volume to peak tidal expiratory flow (VPTEF; P = .001), TPTEF/expiratory time (P < .001), VPTEF/total expiratory volume (P < .001), expiratory flow when 25% of tidal volume remains in the lungs (P < .001), and respiratory rate (P = .007), with no differences observed within the AD group when these parameters were compared based on disease severity, food sensitivity, and a history of recurrent wheezing (all P > .05).

Study details: This prospective cross-sectional study included 150 infants aged 0-3 years with AD and 80 control infants of similar age without chronic disease, acute or chronic infection, history of prematurity, developmental delay, neurometabolic disease, or atopy.

Disclosures: This study did not receive any funding. The authors declared no conflicts of interest.

Source: Koksal ZG and Uysal P. Beyond the skin: Reduced lung function associated with atopic dermatitis in infants. J Allergy Clin Immunol Pract. 2023 (Jul 3). Doi: 10.1016/j.jaip.2023.06.055

Key clinical point: Infants with atopic dermatitis (AD) experience significant bronchial obstruction regardless of disease severity, food sensitivity, and a history of recurrent wheezing.

Major finding: Tidal breath analysis revealed that the AD vs control group had significantly lower time to peak tidal expiratory flow (TPTEF; P = .001), exhaled volume to peak tidal expiratory flow (VPTEF; P = .001), TPTEF/expiratory time (P < .001), VPTEF/total expiratory volume (P < .001), expiratory flow when 25% of tidal volume remains in the lungs (P < .001), and respiratory rate (P = .007), with no differences observed within the AD group when these parameters were compared based on disease severity, food sensitivity, and a history of recurrent wheezing (all P > .05).

Study details: This prospective cross-sectional study included 150 infants aged 0-3 years with AD and 80 control infants of similar age without chronic disease, acute or chronic infection, history of prematurity, developmental delay, neurometabolic disease, or atopy.

Disclosures: This study did not receive any funding. The authors declared no conflicts of interest.

Source: Koksal ZG and Uysal P. Beyond the skin: Reduced lung function associated with atopic dermatitis in infants. J Allergy Clin Immunol Pract. 2023 (Jul 3). Doi: 10.1016/j.jaip.2023.06.055

Key clinical point: Infants with atopic dermatitis (AD) experience significant bronchial obstruction regardless of disease severity, food sensitivity, and a history of recurrent wheezing.

Major finding: Tidal breath analysis revealed that the AD vs control group had significantly lower time to peak tidal expiratory flow (TPTEF; P = .001), exhaled volume to peak tidal expiratory flow (VPTEF; P = .001), TPTEF/expiratory time (P < .001), VPTEF/total expiratory volume (P < .001), expiratory flow when 25% of tidal volume remains in the lungs (P < .001), and respiratory rate (P = .007), with no differences observed within the AD group when these parameters were compared based on disease severity, food sensitivity, and a history of recurrent wheezing (all P > .05).

Study details: This prospective cross-sectional study included 150 infants aged 0-3 years with AD and 80 control infants of similar age without chronic disease, acute or chronic infection, history of prematurity, developmental delay, neurometabolic disease, or atopy.

Disclosures: This study did not receive any funding. The authors declared no conflicts of interest.

Source: Koksal ZG and Uysal P. Beyond the skin: Reduced lung function associated with atopic dermatitis in infants. J Allergy Clin Immunol Pract. 2023 (Jul 3). Doi: 10.1016/j.jaip.2023.06.055

Key clinical point: In patients with moderate-to-severe atopic dermatitis (AD), baricitinib with or without topical corticosteroids (TCS) resulted in rapid achievement of the recommended absolute Eczema Area and Severity Index (EASI) and SCORing of AD (SCORAD) outcomes, which were sustained until week 16.

Major finding: An EASI score of ≤7 and a SCORAD score of <25 were achieved by significantly more patients receiving baricitinib (2 or 4 mg) vs placebo at all timepoints from week 1 (all P ≤ .01 and all P ≤ .05, respectively) and those receiving 4 mg baricitinib + TCS vs placebo + TCS at all timepoints from week 2 (all P ≤ .05 for both).

Study details: This post hoc analysis included 1316 patients with moderate-to-severe AD who received baricitinib (2 or 4 mg) or placebo in BREEZE-AD1/AD2 or baricitinib (2 or 4 mg)+TCS or placebo+TCS in BREEZE-AD7 for 16 weeks.

Disclosures: This study was funded by Eli Lilly and Company. Some authors reported ties with various organizations, including Eli Lilly. Three authors declared being current or former employees or shareholders of Eli Lilly.

Source: Thyssen JP et al. Baricitinib provides rapid and sustained improvements in absolute EASI and SCORAD outcomes in adults with moderate-to-severe atopic dermatitis. J Dermatolog Treat. 2023;34(1):2216322 (Jun 21). Doi: 10.1080/09546634.2023.2216322

Key clinical point: In patients with moderate-to-severe atopic dermatitis (AD), baricitinib with or without topical corticosteroids (TCS) resulted in rapid achievement of the recommended absolute Eczema Area and Severity Index (EASI) and SCORing of AD (SCORAD) outcomes, which were sustained until week 16.

Major finding: An EASI score of ≤7 and a SCORAD score of <25 were achieved by significantly more patients receiving baricitinib (2 or 4 mg) vs placebo at all timepoints from week 1 (all P ≤ .01 and all P ≤ .05, respectively) and those receiving 4 mg baricitinib + TCS vs placebo + TCS at all timepoints from week 2 (all P ≤ .05 for both).

Study details: This post hoc analysis included 1316 patients with moderate-to-severe AD who received baricitinib (2 or 4 mg) or placebo in BREEZE-AD1/AD2 or baricitinib (2 or 4 mg)+TCS or placebo+TCS in BREEZE-AD7 for 16 weeks.

Disclosures: This study was funded by Eli Lilly and Company. Some authors reported ties with various organizations, including Eli Lilly. Three authors declared being current or former employees or shareholders of Eli Lilly.

Source: Thyssen JP et al. Baricitinib provides rapid and sustained improvements in absolute EASI and SCORAD outcomes in adults with moderate-to-severe atopic dermatitis. J Dermatolog Treat. 2023;34(1):2216322 (Jun 21). Doi: 10.1080/09546634.2023.2216322

Key clinical point: In patients with moderate-to-severe atopic dermatitis (AD), baricitinib with or without topical corticosteroids (TCS) resulted in rapid achievement of the recommended absolute Eczema Area and Severity Index (EASI) and SCORing of AD (SCORAD) outcomes, which were sustained until week 16.

Major finding: An EASI score of ≤7 and a SCORAD score of <25 were achieved by significantly more patients receiving baricitinib (2 or 4 mg) vs placebo at all timepoints from week 1 (all P ≤ .01 and all P ≤ .05, respectively) and those receiving 4 mg baricitinib + TCS vs placebo + TCS at all timepoints from week 2 (all P ≤ .05 for both).

Study details: This post hoc analysis included 1316 patients with moderate-to-severe AD who received baricitinib (2 or 4 mg) or placebo in BREEZE-AD1/AD2 or baricitinib (2 or 4 mg)+TCS or placebo+TCS in BREEZE-AD7 for 16 weeks.

Disclosures: This study was funded by Eli Lilly and Company. Some authors reported ties with various organizations, including Eli Lilly. Three authors declared being current or former employees or shareholders of Eli Lilly.

Source: Thyssen JP et al. Baricitinib provides rapid and sustained improvements in absolute EASI and SCORAD outcomes in adults with moderate-to-severe atopic dermatitis. J Dermatolog Treat. 2023;34(1):2216322 (Jun 21). Doi: 10.1080/09546634.2023.2216322

Key clinical point: Upadacitinib demonstrated an acceptable safety profile and led to significant and sustained improvements in disease signs and symptoms through 48 weeks of observation in patients with moderate-to-severe atopic dermatitis (AD) who were unresponsive to conventional treatments.

Major finding: At weeks 16 and 48, an Eczema Area and Severity Index-75 response was achieved by 78.2% and 87.6% of patients, respectively, with a significant reduction in mean sleeplessness, skin pain, and itch Numeric Rating Scale scores (all P < .001). Most adverse events were of mild-to-moderate severity.

Study details: This real-world prospective study included 146 adult patients with moderate-to-severe AD who were unresponsive, intolerant, or had contraindications to the approved therapies for moderate-to-severe AD and received 15 or 30 mg upadacitinib alone or combined with corticosteroids for 48 weeks.

Disclosures: This study did not receive any funding. Some authors, including the lead author, declared serving as investigators, speakers, advisory board members, or consultants for or receiving lecture or speaker honoraria, research grants, or personal fees from various sources.

Source: Chiricozzi A et al. Long-term effectiveness and safety of upadacitinib for atopic dermatitis in a real-world setting: An interim analysis through 48 weeks of observation. Am J Clin Dermatol. 2023 (Jun 15). Doi: 10.1007/s40257-023-00798-0

Key clinical point: Upadacitinib demonstrated an acceptable safety profile and led to significant and sustained improvements in disease signs and symptoms through 48 weeks of observation in patients with moderate-to-severe atopic dermatitis (AD) who were unresponsive to conventional treatments.

Major finding: At weeks 16 and 48, an Eczema Area and Severity Index-75 response was achieved by 78.2% and 87.6% of patients, respectively, with a significant reduction in mean sleeplessness, skin pain, and itch Numeric Rating Scale scores (all P < .001). Most adverse events were of mild-to-moderate severity.

Study details: This real-world prospective study included 146 adult patients with moderate-to-severe AD who were unresponsive, intolerant, or had contraindications to the approved therapies for moderate-to-severe AD and received 15 or 30 mg upadacitinib alone or combined with corticosteroids for 48 weeks.

Disclosures: This study did not receive any funding. Some authors, including the lead author, declared serving as investigators, speakers, advisory board members, or consultants for or receiving lecture or speaker honoraria, research grants, or personal fees from various sources.

Source: Chiricozzi A et al. Long-term effectiveness and safety of upadacitinib for atopic dermatitis in a real-world setting: An interim analysis through 48 weeks of observation. Am J Clin Dermatol. 2023 (Jun 15). Doi: 10.1007/s40257-023-00798-0

Key clinical point: Upadacitinib demonstrated an acceptable safety profile and led to significant and sustained improvements in disease signs and symptoms through 48 weeks of observation in patients with moderate-to-severe atopic dermatitis (AD) who were unresponsive to conventional treatments.

Major finding: At weeks 16 and 48, an Eczema Area and Severity Index-75 response was achieved by 78.2% and 87.6% of patients, respectively, with a significant reduction in mean sleeplessness, skin pain, and itch Numeric Rating Scale scores (all P < .001). Most adverse events were of mild-to-moderate severity.

Study details: This real-world prospective study included 146 adult patients with moderate-to-severe AD who were unresponsive, intolerant, or had contraindications to the approved therapies for moderate-to-severe AD and received 15 or 30 mg upadacitinib alone or combined with corticosteroids for 48 weeks.

Disclosures: This study did not receive any funding. Some authors, including the lead author, declared serving as investigators, speakers, advisory board members, or consultants for or receiving lecture or speaker honoraria, research grants, or personal fees from various sources.

Source: Chiricozzi A et al. Long-term effectiveness and safety of upadacitinib for atopic dermatitis in a real-world setting: An interim analysis through 48 weeks of observation. Am J Clin Dermatol. 2023 (Jun 15). Doi: 10.1007/s40257-023-00798-0

Key clinical point: Dupilumab rapidly reduced the skin abundance of Staphylococcus aureus in patients with moderate-to-severe atopic dermatitis (AD), and the reduction correlated with improvements in all AD severity measurements except itch.

Major finding: At day 3, the dupilumab vs placebo group showed a 7.5-fold reduction (P = .02) in the skin abundance of S. aureus. A significant positive correlation was observed between the reduction in abundance and SCORing Atopic Dermatitis score with dupilumab (repeated measure correlation coefficient 0.39; P < .001), which was similar for other AD severity measurements except pruritus Numeric Rating Scale score.

Study details: Findings are from the multicenter, double-blind ADRN09 trial including 71 adult patients with moderate-to-severe AD who were randomly assigned to receive dupilumab (n = 45) or placebo (n = 26).

Disclosures: This study was supported by the US National Institute of Allergy and Infectious Diseases and the National Center for Advancing Translational Sciences, Colorado. Some authors declared serving as consultants or investigators for and receiving research grants from various organizations.

Source: Simpson EL et al. Rapid reduction in Staphylococcus aureus in atopic dermatitis subjects following dupilumab treatment. J Allergy Clin Immunol. 2023 (Jun 12). Doi: 10.1016/j.jaci.2023.05.026

Key clinical point: Dupilumab rapidly reduced the skin abundance of Staphylococcus aureus in patients with moderate-to-severe atopic dermatitis (AD), and the reduction correlated with improvements in all AD severity measurements except itch.

Major finding: At day 3, the dupilumab vs placebo group showed a 7.5-fold reduction (P = .02) in the skin abundance of S. aureus. A significant positive correlation was observed between the reduction in abundance and SCORing Atopic Dermatitis score with dupilumab (repeated measure correlation coefficient 0.39; P < .001), which was similar for other AD severity measurements except pruritus Numeric Rating Scale score.

Study details: Findings are from the multicenter, double-blind ADRN09 trial including 71 adult patients with moderate-to-severe AD who were randomly assigned to receive dupilumab (n = 45) or placebo (n = 26).

Disclosures: This study was supported by the US National Institute of Allergy and Infectious Diseases and the National Center for Advancing Translational Sciences, Colorado. Some authors declared serving as consultants or investigators for and receiving research grants from various organizations.

Source: Simpson EL et al. Rapid reduction in Staphylococcus aureus in atopic dermatitis subjects following dupilumab treatment. J Allergy Clin Immunol. 2023 (Jun 12). Doi: 10.1016/j.jaci.2023.05.026

Key clinical point: Dupilumab rapidly reduced the skin abundance of Staphylococcus aureus in patients with moderate-to-severe atopic dermatitis (AD), and the reduction correlated with improvements in all AD severity measurements except itch.

Major finding: At day 3, the dupilumab vs placebo group showed a 7.5-fold reduction (P = .02) in the skin abundance of S. aureus. A significant positive correlation was observed between the reduction in abundance and SCORing Atopic Dermatitis score with dupilumab (repeated measure correlation coefficient 0.39; P < .001), which was similar for other AD severity measurements except pruritus Numeric Rating Scale score.

Study details: Findings are from the multicenter, double-blind ADRN09 trial including 71 adult patients with moderate-to-severe AD who were randomly assigned to receive dupilumab (n = 45) or placebo (n = 26).

Disclosures: This study was supported by the US National Institute of Allergy and Infectious Diseases and the National Center for Advancing Translational Sciences, Colorado. Some authors declared serving as consultants or investigators for and receiving research grants from various organizations.

Source: Simpson EL et al. Rapid reduction in Staphylococcus aureus in atopic dermatitis subjects following dupilumab treatment. J Allergy Clin Immunol. 2023 (Jun 12). Doi: 10.1016/j.jaci.2023.05.026

Key clinical point: Atopic dermatitis (AD) is not associated with an overall increased risk for malignancy in children and adults; however, the risk for lymphoma is significantly higher in both children and adults with severe AD.

Major finding: The risk for overall malignancy was similar between the AD and non-AD groups of children (adjusted hazard ratio [aHR] 1.02; 95% CI 0.92-1.12) and adults (aHR 1.00; 95% CI 0.99-1.02); however, the risk for lymphoma (non-cutaneous T-cell type) was significantly higher in children (aHR 3.18; 95% CI 1.41-7.16) and adults (aHR 1.95; 95% CI 1.62-2.36) with severe AD.

Study details: This population-based cohort study included matched children (<18 years) with (n = 409,431) and without (n = 1,809,029) AD and matched adults with (n = 625,083) and without (n = 2,678,888) AD.

Disclosures: This study was funded by Pfizer, Inc. Some authors declared receiving research grants, consulting fees, or honoraria from Pfizer, Inc., and others. AR Lemeshow declared being an employee of Pfizer, Inc.

Source: Wan J et al. Malignancy risk in patients with atopic dermatitis: A population-based cohort study. Br J Dermatol. 2023;189(1):53-61 (Jul 7). Doi: 10.1093/bjd/ljad072

Key clinical point: Atopic dermatitis (AD) is not associated with an overall increased risk for malignancy in children and adults; however, the risk for lymphoma is significantly higher in both children and adults with severe AD.

Major finding: The risk for overall malignancy was similar between the AD and non-AD groups of children (adjusted hazard ratio [aHR] 1.02; 95% CI 0.92-1.12) and adults (aHR 1.00; 95% CI 0.99-1.02); however, the risk for lymphoma (non-cutaneous T-cell type) was significantly higher in children (aHR 3.18; 95% CI 1.41-7.16) and adults (aHR 1.95; 95% CI 1.62-2.36) with severe AD.

Study details: This population-based cohort study included matched children (<18 years) with (n = 409,431) and without (n = 1,809,029) AD and matched adults with (n = 625,083) and without (n = 2,678,888) AD.

Disclosures: This study was funded by Pfizer, Inc. Some authors declared receiving research grants, consulting fees, or honoraria from Pfizer, Inc., and others. AR Lemeshow declared being an employee of Pfizer, Inc.

Source: Wan J et al. Malignancy risk in patients with atopic dermatitis: A population-based cohort study. Br J Dermatol. 2023;189(1):53-61 (Jul 7). Doi: 10.1093/bjd/ljad072

Key clinical point: Atopic dermatitis (AD) is not associated with an overall increased risk for malignancy in children and adults; however, the risk for lymphoma is significantly higher in both children and adults with severe AD.

Major finding: The risk for overall malignancy was similar between the AD and non-AD groups of children (adjusted hazard ratio [aHR] 1.02; 95% CI 0.92-1.12) and adults (aHR 1.00; 95% CI 0.99-1.02); however, the risk for lymphoma (non-cutaneous T-cell type) was significantly higher in children (aHR 3.18; 95% CI 1.41-7.16) and adults (aHR 1.95; 95% CI 1.62-2.36) with severe AD.

Study details: This population-based cohort study included matched children (<18 years) with (n = 409,431) and without (n = 1,809,029) AD and matched adults with (n = 625,083) and without (n = 2,678,888) AD.

Disclosures: This study was funded by Pfizer, Inc. Some authors declared receiving research grants, consulting fees, or honoraria from Pfizer, Inc., and others. AR Lemeshow declared being an employee of Pfizer, Inc.

Source: Wan J et al. Malignancy risk in patients with atopic dermatitis: A population-based cohort study. Br J Dermatol. 2023;189(1):53-61 (Jul 7). Doi: 10.1093/bjd/ljad072

Key clinical point: Lebrikizumab demonstrated long-term efficacy and a safety profile consistent with that observed in previous trials in adolescents with moderate-to-severe atopic dermatitis (AD).

Major finding: At week 52, 62.6% and 81.9% of patients achieved an Investigator’s Global Assessment score of 0 or 1 with a ≥2-point reduction from baseline and an Eczema Area and Severity Index-75 response, respectively. Adverse events were mostly mild or moderate in severity and led to treatment discontinuation in 2.4% of patients.

Study details: This open-label phase 3 trial, ADore, included 206 adolescents (age ≥12 to <18 years) with moderate-to-severe AD who received lebrikizumab subcutaneously (500-mg loading dose at baseline and week 2, followed by 250 mg every 2 weeks).

Disclosures: This study was funded by Dermira, Inc., a wholly owned subsidiary of Eli Lilly and Company. Some authors declared receiving research grants or consulting, advisory board, or speaker honoraria from or serving as consultants, speakers, or investigators for Eli Lilly and others. Six authors declared being former or current employees or shareholders of Eli Lilly.

Source: Paller AS et al. Safety and efficacy of lebrikizumab in adolescent patients with moderate-to-severe atopic dermatitis: A 52-week, open-label, phase 3 study. Dermatol Ther (Heidelb). 2023;13(7):1517-1534 (Jun 15). Doi: 10.1007/s13555-023-00942-y

Key clinical point: Lebrikizumab demonstrated long-term efficacy and a safety profile consistent with that observed in previous trials in adolescents with moderate-to-severe atopic dermatitis (AD).

Major finding: At week 52, 62.6% and 81.9% of patients achieved an Investigator’s Global Assessment score of 0 or 1 with a ≥2-point reduction from baseline and an Eczema Area and Severity Index-75 response, respectively. Adverse events were mostly mild or moderate in severity and led to treatment discontinuation in 2.4% of patients.

Study details: This open-label phase 3 trial, ADore, included 206 adolescents (age ≥12 to <18 years) with moderate-to-severe AD who received lebrikizumab subcutaneously (500-mg loading dose at baseline and week 2, followed by 250 mg every 2 weeks).

Disclosures: This study was funded by Dermira, Inc., a wholly owned subsidiary of Eli Lilly and Company. Some authors declared receiving research grants or consulting, advisory board, or speaker honoraria from or serving as consultants, speakers, or investigators for Eli Lilly and others. Six authors declared being former or current employees or shareholders of Eli Lilly.

Source: Paller AS et al. Safety and efficacy of lebrikizumab in adolescent patients with moderate-to-severe atopic dermatitis: A 52-week, open-label, phase 3 study. Dermatol Ther (Heidelb). 2023;13(7):1517-1534 (Jun 15). Doi: 10.1007/s13555-023-00942-y

Key clinical point: Lebrikizumab demonstrated long-term efficacy and a safety profile consistent with that observed in previous trials in adolescents with moderate-to-severe atopic dermatitis (AD).

Major finding: At week 52, 62.6% and 81.9% of patients achieved an Investigator’s Global Assessment score of 0 or 1 with a ≥2-point reduction from baseline and an Eczema Area and Severity Index-75 response, respectively. Adverse events were mostly mild or moderate in severity and led to treatment discontinuation in 2.4% of patients.

Study details: This open-label phase 3 trial, ADore, included 206 adolescents (age ≥12 to <18 years) with moderate-to-severe AD who received lebrikizumab subcutaneously (500-mg loading dose at baseline and week 2, followed by 250 mg every 2 weeks).

Disclosures: This study was funded by Dermira, Inc., a wholly owned subsidiary of Eli Lilly and Company. Some authors declared receiving research grants or consulting, advisory board, or speaker honoraria from or serving as consultants, speakers, or investigators for Eli Lilly and others. Six authors declared being former or current employees or shareholders of Eli Lilly.

Source: Paller AS et al. Safety and efficacy of lebrikizumab in adolescent patients with moderate-to-severe atopic dermatitis: A 52-week, open-label, phase 3 study. Dermatol Ther (Heidelb). 2023;13(7):1517-1534 (Jun 15). Doi: 10.1007/s13555-023-00942-y

Key clinical point: Long-term abrocitinib monotherapy or with medicated topical therapy demonstrates a manageable safety profile and significantly improves the signs and symptoms of moderate-to-severe atopic dermatitis (AD) in adults and adolescents.

Major finding: At week 48, in the 200 and 100 mg abrocitinib groups, Eczema Area and Severity Index-75 (EASI 75) responses and ≥4-point improvements in Peak Pruritus Numerical Rating Scale (PP-NRS) scores were achieved by 81.7% and 66.8% (EASI 75), and 67.9% and 51.1% (PP-NRS) of patients, respectively; serious treatment-emergent adverse event rates were 7.1% and 4.7% (200 mg vs 100 mg), respectively.

Study details: This phase 3 long-term extension study JADE EXTEND (n = 1116) included patients (≥12 years) with moderate-to-severe AD who completed abrocitinib (200/100 mg) or placebo treatment in JADE MONO-1, JADE MONO-2, or JADE COMPARE study and received abrocitinib (200/100 mg) with or without topical therapy.

Disclosures: This study was funded by Pfizer Inc. Some authors declared receiving grants, fees, etc., from and serving as consultants, speakers, advisors, or investigators for Pfizer Inc. and others. Five authors declared being employees or shareholders of Pfizer Inc.

Source: Reich K et al. Abrocitinib efficacy and safety in patients with moderate-to-severe atopic dermatitis: Results from phase 3 studies, including the long-term extension JADE EXTEND study. J Eur Acad Dermatol Venereol. 2023 (Jun 19). Doi: 10.1111/jdv.19280

Key clinical point: Long-term abrocitinib monotherapy or with medicated topical therapy demonstrates a manageable safety profile and significantly improves the signs and symptoms of moderate-to-severe atopic dermatitis (AD) in adults and adolescents.

Major finding: At week 48, in the 200 and 100 mg abrocitinib groups, Eczema Area and Severity Index-75 (EASI 75) responses and ≥4-point improvements in Peak Pruritus Numerical Rating Scale (PP-NRS) scores were achieved by 81.7% and 66.8% (EASI 75), and 67.9% and 51.1% (PP-NRS) of patients, respectively; serious treatment-emergent adverse event rates were 7.1% and 4.7% (200 mg vs 100 mg), respectively.

Study details: This phase 3 long-term extension study JADE EXTEND (n = 1116) included patients (≥12 years) with moderate-to-severe AD who completed abrocitinib (200/100 mg) or placebo treatment in JADE MONO-1, JADE MONO-2, or JADE COMPARE study and received abrocitinib (200/100 mg) with or without topical therapy.

Disclosures: This study was funded by Pfizer Inc. Some authors declared receiving grants, fees, etc., from and serving as consultants, speakers, advisors, or investigators for Pfizer Inc. and others. Five authors declared being employees or shareholders of Pfizer Inc.

Source: Reich K et al. Abrocitinib efficacy and safety in patients with moderate-to-severe atopic dermatitis: Results from phase 3 studies, including the long-term extension JADE EXTEND study. J Eur Acad Dermatol Venereol. 2023 (Jun 19). Doi: 10.1111/jdv.19280

Key clinical point: Long-term abrocitinib monotherapy or with medicated topical therapy demonstrates a manageable safety profile and significantly improves the signs and symptoms of moderate-to-severe atopic dermatitis (AD) in adults and adolescents.

Major finding: At week 48, in the 200 and 100 mg abrocitinib groups, Eczema Area and Severity Index-75 (EASI 75) responses and ≥4-point improvements in Peak Pruritus Numerical Rating Scale (PP-NRS) scores were achieved by 81.7% and 66.8% (EASI 75), and 67.9% and 51.1% (PP-NRS) of patients, respectively; serious treatment-emergent adverse event rates were 7.1% and 4.7% (200 mg vs 100 mg), respectively.

Study details: This phase 3 long-term extension study JADE EXTEND (n = 1116) included patients (≥12 years) with moderate-to-severe AD who completed abrocitinib (200/100 mg) or placebo treatment in JADE MONO-1, JADE MONO-2, or JADE COMPARE study and received abrocitinib (200/100 mg) with or without topical therapy.

Disclosures: This study was funded by Pfizer Inc. Some authors declared receiving grants, fees, etc., from and serving as consultants, speakers, advisors, or investigators for Pfizer Inc. and others. Five authors declared being employees or shareholders of Pfizer Inc.

Source: Reich K et al. Abrocitinib efficacy and safety in patients with moderate-to-severe atopic dermatitis: Results from phase 3 studies, including the long-term extension JADE EXTEND study. J Eur Acad Dermatol Venereol. 2023 (Jun 19). Doi: 10.1111/jdv.19280