April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” JAK inhibitors help hair growth by boosting beta-catenin activity in hair root cells.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking JAK1 or JAK3 helps reverse hair loss in a mouse model of alopecia areata.
February 2026 in “Frontiers in Immunology” Ivarmacitinib significantly improved hair regrowth in severe alopecia areata after tofacitinib was less effective.
5 citations
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January 2021 in “Inflammatory Bowel Diseases” Tofacitinib improved ulcerative colitis, skin ulcers, and hair loss in a patient who didn't respond well to other treatments.
June 2017 in “Journal of the American Academy of Dermatology” Tofacitinib is effective and safe for treating severe alopecia areata and related conditions.
24 citations
,
January 2018 in “International Journal of Trichology” Tofacitinib helped regrow hair in patients with alopecia, with few side effects.
September 2022 in “XXXIX Congresso Brasileiro de Reumatologia” Tofacitinib may effectively treat skin symptoms in difficult cases of dermatomyositis.
6 citations
,
November 2020 in “JAAD Case Reports” Tofacitinib may help treat both alopecia areata and inflammatory bowel disease.
March 2026 in “Clinical Cosmetic and Investigational Dermatology” Upadacitinib improved multiple immune-related conditions in one patient.
39 citations
,
January 2019 in “Journal of the American Academy of Dermatology” Tofacitinib may help treat severe childhood alopecia areata, but risks require careful consideration.
238 citations
,
November 2016 in “Journal of The American Academy of Dermatology” Tofacitinib is effective and safe for severe hair loss, but full regrowth is less likely after 10 years of hair loss.
37 citations
,
October 2017 in “Clinical and Experimental Dermatology” Oral tofacitinib shows promise in treating atopic dermatitis and alopecia areata, but only slight improvement in vitiligo.
June 2023 in “Fundamental & clinical pharmacology” JAK inhibitors help treat some diseases but may increase risks of blood clots and cancer in certain patients.
1 citations
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April 2018 in “Journal of Investigative Dermatology” Tofacitinib helped most patients with alopecia areata regrow hair and changes in immune cells were linked to the treatment's effectiveness.
Ivarmacitinib effectively regrows hair in severe alopecia areata.
28 citations
,
December 2017 in “Journal of Investigative Dermatology Symposium Proceedings” Tofacitinib shows promise for treating severe hair loss in adults and teens, with many experiencing regrowth, but hair loss returns when treatment stops.
1 citations
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January 2023 in “Research Square (Research Square)” A woman's vitiligo improved with tofacitinib treatment, and her skin color remained even after stopping the medication, but there are concerns about cancer risk.
March 2025 in “European Journal of Medical Genetics” Tofacitinib helped improve symptoms and hair growth in a patient with Aicardi-Goutières syndrome.
3 citations
,
April 2016 in “Journal of Investigative Dermatology” Tofacitinib, a JAK inhibitor, improved hair regrowth in most patients with severe alopecia areata and had minimal side effects.
2 citations
,
May 2017 in “Journal of the American Academy of Dermatology” Tofacitinib helped a 19-year-old regrow hair after other treatments failed.
August 2019 in “Journal of the American Academy of Dermatology” Tofacitinib may help hair regrowth in alopecia areata, but more research is needed.
September 2024 in “Skin Appendage Disorders” Tofacitinib helped a woman regrow her hair without relapses after other treatments failed.
4 citations
,
May 2019 in “Sultan Qaboos University Medical Journal” Tofacitinib helped regrow hair in a patient with severe hair loss and improved their quality of life without side effects.
139 citations
,
November 2016 in “Journal of the American Academy of Dermatology” Tofacitinib helped regrow hair in most adolescents with alopecia areata, but more research is needed.
November 2023 in “Indian Dermatology Online Journal” Tofacitinib was effective for severe, treatment-resistant hair loss without side effects.
April 2026 in “Clinical and Translational Science” Tofacitinib effectively treats severe alopecia areata, improving hair regrowth and patient satisfaction.
5 citations
,
January 2022 in “Dermatology Reports” Tofacitinib treatment for hair loss may worsen acne.
May 2023 in “International Journal of Trichology” Tofacitinib effectively treated severe hair loss in a patient who didn't respond to other treatments.
October 2021 in “Dermatology Reports” Tofacitinib, a hair regrowth treatment, may worsen acne.
2 citations
,
September 2021 in “Curēus” Tofacitinib may be safe for COVID-19 patients with alopecia without worsening symptoms, based on two cases.