March 2023 in “SKIN The Journal of Cutaneous Medicine” This study observed that most patients with alopecia areata experienced sustained scalp hair regrowth after 48 weeks of ritlecitinib treatment, with safety consistent with prior findings.
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.
July 2023 in “SKIN The Journal of Cutaneous Medicine” This study found that some patients with alopecia areata who did not respond to ritlecitinib treatment by Week 24 achieved a positive response with continued therapy by Week 48, with tolerable side effects.
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.
1 citations
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September 2023 in “Journal of the American Academy of Dermatology” This study reported that most patients with alopecia areata who responded to ritlecitinib treatment by achieving a SALT score ≤20, SALT score ≤10, or improvements in eyebrow and eyelash assessments at Week 24 maintained their responses through Week 48.