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A Patient Preference-Weighted Quantitative Benefit-Risk Analysis of Ritlecitinib for Alopecia Areata to Inform
Jonathan Mauer1, Chiara Whichello2, Brett Hauber1
1Pfizer, New York, NY, USA.
Summary
Ritlecitinib 50 mg offers a favorable benefit-risk profile for alopecia areata (AA) patients, with most preferring it over placebo. This JAK3/TEC inhibitor shows potential for hair regrowth and improved quality of life.
Area of Science:
- Dermatology
- Pharmacology
- Clinical Trials
Background:
- Janus kinase (JAK) inhibitors promote hair regrowth in alopecia areata (AA) but carry risks.
- Ritlecitinib is an oral selective JAK3/TEC family kinase inhibitor investigated for AA treatment.
Purpose of the Study:
- To assess the benefit-risk profile of ritlecitinib 50 mg in adult patients with AA.
- To inform regulatory decisions regarding ritlecitinib for AA.
Main Methods:
- Combined discrete choice experiment data (201 AA patients) with efficacy and safety data from the ALLEGRO trial and integrated safety analyses.
- Evaluated patient preferences for benefits (hair coverage, eyebrow/eyelash regrowth) versus risks (infections, clots, cancer).
- Utilized multicriteria decision analysis and stochastic multicriteria acceptability analysis to determine net benefit.
Main Results:
- Ritlecitinib 50 mg demonstrated a higher weighted net benefit score than placebo.
- Predicted choice probability favored ritlecitinib at 70.9% (95% CI 61.2%-77.5%).
- The probability of a positive weighted net benefit was 78%.
Conclusions:
- Ritlecitinib 50 mg once daily shows a positive benefit-risk profile compared to placebo in adult patients with alopecia areata.
- Patient preferences suggest benefits outweigh risks for ritlecitinib in AA treatment.

