June 2025 in “Acta Dermato Venereologica” Low-dose Ritlecitinib may help children with stubborn Alopecia Areata.
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.
1 citations
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June 2026 in “Dermato” This narrative review found that ritlecitinib shows consistent effectiveness and a favorable safety profile for treating alopecia areata in clinical trials and real-world settings, with progressive hair regrowth observed, particularly when treatment is initiated early and maintained appropriately.
June 2023 in “Small animal advances” This case report describes successful treatment of mange in a rabbit using topical selamectin over two weeks.
7 citations
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July 2023 in “Immunotherapy” Ritlecitinib works well and is safe for treating alopecia areata.
July 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Ritlecitinib helps regrow hair in alopecia areata and is safe for long-term use.
May 2025 in “CPT Pharmacometrics & Systems Pharmacology” This study examined the safety profile of ritlecitinib, a drug for alopecia areata, and found that it does not cause significant QTc prolongation or severe lymphopenia, with no unique safety risks expected in adolescents.
July 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Ritlecitinib helps regrow hair in alopecia areata and is safe for long-term use.
November 2025 in “SKIN The Journal of Cutaneous Medicine” This study observed that adolescents with alopecia areata receiving ritlecitinib 50 mg daily showed notable hair regrowth over three years, as seen in both clinician- and patient-reported outcomes. However, the decreased number of participants at later stages limits the findings.
227 citations
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April 2023 in “The Lancet” Ritlecitinib effectively treats alopecia areata and is well-tolerated.
This meta-analysis reports that ritlecitinib significantly improved hair growth in alopecia areata patients compared to placebo, although its potential requires further clinical exploration.
7 citations
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October 2024 in “Journal of the American Academy of Dermatology” This source reported that patients who initially responded to ritlecitinib treatment showed sustained hair regrowth through week 48, with up to one-third of those not meeting target efficacy at week 24 also achieving a response with continued treatment.
November 2025 in “SKIN The Journal of Cutaneous Medicine” In this study, nearly one-third of patients with severe alopecia areata treated with ritlecitinib achieved complete scalp hair regrowth at least once over three years, and most maintained regrowth or stayed at low hair loss levels subsequently.
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.
July 2026 in “Skin Appendage Disorders” In this study, patients with treatment-refractory alopecia areata who received oral ritlecitinib 50 mg daily experienced significant hair regrowth, with 52.6% achieving complete scalp regrowth and improved Severity of Alopecia Tool scores, indicating its potential effectiveness in real-world settings.
November 2024 in “SKIN The Journal of Cutaneous Medicine” This study reports that ritlecitinib was prescribed to a diverse group of patients, including adolescents and adults with and without prior treatment for Alopecia Areata, in the first three months after FDA approval, potentially expanding care options for this condition.
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.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that treatment with ritlecitinib led to significant scalp hair regrowth in patients with alopecia areata at Weeks 24 and 48, with higher response rates observed in those receiving 50 mg compared to 30 mg doses.
February 2026 in “Oncology Reviews” This review highlights the promising clinical outcomes of sacituzumab tirumotecan (sac-TMT), an antibody-drug conjugate for breast cancer that targets TROP2, demonstrating improved response rates and progression-free survival, with manageable safety concerns including primarily mild-to-moderate nausea and alopecia.
December 2025 in “International Journal of Innovative Technologies in Social Science” This study found that ritlecitinib, approved for alopecia areata in patients aged 12 and older, has an acceptable safety profile with mild to moderate side effects and no increase in serious adverse events compared to placebo.
September 2024 in “Annals of Medicine and Surgery” In this review, the authors highlight the FDA approval of Ritlecitinib, the first oral treatment specifically for moderate to severe alopecia areata in patients aged 12 and older, marking a significant advancement in managing this condition.
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.
3 citations
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March 2025 in “Journal of Clinical Medicine” This study found that Ritlecitinib significantly reduced hair loss in patients with alopecia areata by lowering SALT scores at weeks 12 and 24 compared to placebo, with acceptable safety but increased minor side effects like headaches and acne.
January 1975 in “NJEA Review” This Phase II study found that BAY 43-9006, given at 400 mg orally twice daily, led to stable disease in 30% and tumor reduction in 40% of renal cell carcinoma patients.
June 2026 in “British Journal of Dermatology” This study evaluated the real-world use of ritlecitinib for severe alopecia areata in the UK, reporting that 37% of patients achieved significant hair regrowth by week 36, with no serious adverse effects noted, although response varied with disease duration.
June 2026 in “British Journal of Dermatology” In this study, real-world data of 31 patients using ritlecitinib for severe alopecia areata showed that 51% achieved significant hair regrowth after one year, with no serious adverse events reported, emphasizing the importance of considering treatment duration for response.
3 citations
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July 2025 in “Clinical and Experimental Dermatology” This study reported that patients with alopecia areata treated with ritlecitinib in a real-life setting had a higher rate of positive response on the Severity of Alopecia Tool score compared to those in the ALLEGRO trial.
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.
6 citations
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March 2024 in “SKIN The Journal of Cutaneous Medicine” In this ongoing phase 3 study, ritlecitinib demonstrated sustained efficacy up to 24 months in patients aged 12 or older with alopecia areata, showing increased response rates with or without an initial loading dose and supporting its long-term use.
June 2026 in “Journal of health economics and outcomes research” In this study, researchers found that ritlecitinib 50 mg offered a lower cost per responder than baricitinib 2 or 4 mg at both 24 and 52 weeks for treating severe alopecia areata, suggesting potential implications for reimbursement or formulary decisions.