4 citations
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March 2025 in “The Journal of Dermatology” This study found that in Asian patients aged 12 and older with alopecia areata and significant hair loss, ritlecitinib showed clinical efficacy in improving hair regrowth and eyebrow and eyelash scores over 48 weeks, with an acceptable safety profile observed throughout.
September 2023 in “Medicina Estética Revista Científica de la Sociedad Española de Medicina Estética (SEME)” This research reported that the FDA approved Litfulo® (ritlecitinib) as the first oral treatment for severe alopecia areata in adolescents over 12 years old, with 23% of treated patients showing significant hair regrowth in clinical trials compared to 1.6% with placebo.
September 2024 in “Drugs & Therapy Perspectives” In this study, ritlecitinib, an oral medication approved for adolescents and adults, significantly reduced scalp hair loss and promoted eyebrow and eyelash regrowth in severe alopecia areata patients, with benefits sustained over 48 weeks and generally well-tolerated minor side effects.
August 2025 in “Dermatology and Therapy” This review reports that three JAK inhibitors—baricitinib, ritlecitinib, and deuruxolitinib—have gained FDA approval for treating alopecia areata due to their demonstrated efficacy in fostering hair regrowth in clinical trials.
84 citations
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August 2023 in “Drugs” This article describes the development milestones and recent approvals of ritlecitinib for treating severe alopecia areata, with approvals in the USA and Japan and ongoing regulatory reviews in other regions.