Efficacy and safety of brodalumab in subpopulations of patients with difficult-to-treat moderate-to-severe plaque psoriasis

Kim Papp, Alan Menter, Bruce Strober, Greg Kricorian, Elizabeth H Z Thompson, Cassandra E Milmont, Ajay Nirula, Paul Klekotka
Journal of the American Academy of Dermatology 2015, 72 (3): 436-439.e1

BACKGROUND: Novel therapies are needed for difficult-to-treat populations of patients with psoriasis.

OBJECTIVE: We sought to assess the efficacy and safety of the interleukin-17 Receptor A inhibitor brodalumab in patients with psoriasis with or without a self-reported history of psoriatic arthritis (PsA) and with or without a history of biologic use.

METHODS: Subset analyses of a phase II, randomized, double-blind, placebo-controlled study of brodalumab in patients with moderate-to-severe plaque psoriasis were performed. Improvement from baseline in Psoriasis Area and Severity Index score of 75%, 90%, and 100% at week 12; static Physician Global Assessment (0/1) score; Dermatology Life Quality Index response; and Psoriasis Symptom Inventory response were evaluated within subgroups.

RESULTS: Efficacy and quality-of-life measures were generally similar between subgroups of patients with or without a history of PsA and with or without a history of biologic use across brodalumab doses and were significantly higher among patients who received brodalumab 140 mg every 2 weeks or 210 mg every 2 weeks versus placebo.

LIMITATIONS: Differences between subgroups were not compared statistically, PsA was self-reported, only skin involvement/symptoms were reported, and reasons for discontinuation of prior biologic were not captured.

CONCLUSION: Brodalumab is efficacious in patients with psoriasis with or without a history of PsA or biologic use.

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