1 citations
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August 2024 in “British Journal of Dermatology” This study found that after 15 months of treatment with ritlecitinib, patients with alopecia areata and less than 95% initial hair loss experienced significant hair regrowth, though those with more extensive hair loss showed more variable improvement.
15 citations
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January 2025 in “Journal of the European Academy of Dermatology and Venereology” Ritlecitinib is effective and safe for treating alopecia areata, promoting significant hair regrowth.
February 2026 in “The Journal of Dermatology” This study reports that ritlecitinib 50 mg, with or without an initial loading dose, demonstrated meaningful and sustained efficacy up to 24 months in the Asian subpopulation with severe alopecia areata, showing significant scalp, eyebrow, and eyelash hair regrowth, along with an acceptable safety profile.
1 citations
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July 2025 in “SKIN The Journal of Cutaneous Medicine” In this study, ritlecitinib 50-mg showed clinically meaningful efficacy, with improvements in the Severity of Alopecia Tool score observed in patients with alopecia areata over a 3-year period, demonstrating long-term benefit in both clinician- and patient-reported outcomes.
3 citations
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November 2023 in “Journal of Investigative Dermatology” Over 45% of patients with alopecia areata benefit from ritlecitinib, mostly within a year.