Benefit-risk analysis of adalimumab versus methotrexate and placebo in the treatment of moderate to severe psoriasis: Comparison of adverse event-free response days in the CHAMPION trial

Source: J Am Acad Dermatol

Reich K, Signorovitch J, Ramakrishnan K, Yu AP, Wu EQ, Gupta SR, Bao Y, Mulani PM; Journal of the American Academy of Dermatology (Oct 2010)

Tags:  Adalimumab methotrexate Psoriasia   






BACKGROUND: The Comparative Study of Humira versus Methotrexate (MTX) versus Placebo in Psoriasis Patients (CHAMPION) demonstrated superior efficacy of biologic over conventional systemic immunosuppressant therapy in psoriasis.


OBJECTIVE: We sought to compare the risk-benefit profile of adalimumab (ADA), MTX, and placebo using data from CHAMPION.


METHODS: Patients randomized to ADA (n = 107), MTX (n = 110), or placebo (n = 53) were followed up for 16 weeks. Response (≥75% improvement in Psoriasis Area and Severity Index), days free of adverse events (AEs), moderate to severe AEs, infection-related AEs, and study drug-related AEs were analyzed.


RESULTS: ADA treatment was associated with substantially more days (SD) of AE-free response compared with MTX or placebo treatment, respectively: 36.9 (31.1) versus 8.3 (15.9) or 6.7 (18.1) days of response free of any AEs, 43.8 (31.9) versus 11.1 (19.9) or 7.9 (19.9) days of response free of moderate to severe AEs, 48.5 (29.2) versus 12.4 (21.7) or 9.2 (21.8) days of response free of infection-related AEs, and 44.6 (31.4) versus 11.8 (21.1) or 10.0 (24.0) days free of study drug-related AEs (all P <.0001 for ADA vs MTX or placebo).


LIMITATIONS: This clinical trial-based analysis may not have captured the full spectrum of AEs in the actual clinical setting. The short (16-week) duration of the trial limited the ability to capture some important but uncommon AEs associated with long-term ADA or MTX use.


CONCLUSION: With 4 times as many AE-free response days, ADA demonstrated a superior benefit-risk profile.



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