January 2023 in “Indian Dermatology Online Journal” No single ideal JAK inhibitor for alopecia areata has been determined; JAK3 inhibitors may be promising with fewer side effects.
42 citations
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April 2021 in “JCI insight” Blocking JAK3 signaling can reverse hair loss from alopecia areata.
2 citations
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September 2024 in “Expert Opinion on Drug Metabolism & Toxicology” Ritlecitinib is an effective new treatment for Alopecia Areata.
January 2024 in “Journal of Crohn's and colitis” Janus Kinase inhibitors are effective and have an acceptable safety profile for treating moderate to severe Ulcerative Colitis.
February 2025 in “PubMed” CS12192 effectively treats alopecia areata with better safety than current options.
223 citations
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September 2018 in “Rheumatology” JAK inhibitors are effective in treating various immune-related diseases, not just rheumatoid arthritis.
1 citations
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April 2016 in “Journal of The American Academy of Dermatology” Ixekizumab helps improve life quality, physical ability, and work performance in patients with psoriatic arthritis who haven't used biologic drugs before.
April 2020 in “The FASEB journal” Poncirin is a promising inhibitor of Janus Kinase 3, potentially better than tofacitinib.
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.
Ivarmacitinib effectively regrows hair in severe alopecia areata.
September 2025 in “Journal of the American Academy of Dermatology” Ritlecitinib may help treat alopecia areata by protecting hair follicles.
1 citations
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April 2013 in “Journal of Investigative Dermatology”
April 2024 in “Journal of translational medicine” MJ04, a new compound, effectively promotes hair growth and is a potential topical treatment for hair loss.
January 2026 in “Medicina” JAK inhibitors show promise for treating various skin disorders effectively and safely.
July 2025 in “Journal of Investigative Dermatology” Ritlecitinib reduces alopecia areata symptoms by blocking JAK3/TEC signaling and T-cell activity.
6 citations
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November 2020 in “JAAD Case Reports” Tofacitinib may help treat both alopecia areata and inflammatory bowel disease.
January 2026 in “Skin Health and Disease” Irish dermatologists use JAK inhibitors for alopecia areata but want standardized treatment guidelines.
February 2026 in “Frontiers in Immunology” Ivarmacitinib significantly improved hair regrowth in severe alopecia areata after tofacitinib was less effective.
June 2020 in “Dermatologic therapy” Using Janus kinase inhibitors (JAKi) in COVID-19 treatment requires careful consideration due to their immunosuppressive effects.
February 2025 in “PubMed” Switching JAK inhibitors can lead to significant hair regrowth in severe alopecia cases.
124 citations
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October 2019 in “Frontiers in Immunology” Janus kinase inhibitors are promising treatments for autoimmune skin diseases like eczema and psoriasis.
August 2022 in “Journal of Investigative Dermatology” Baricitinib reduces inflammation and mitochondrial damage in skin cells.
July 2025 in “Journal of Investigative Dermatology” Baricitinib stops hair loss and promotes regrowth in alopecia areata.
5 citations
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April 2019 in “Journal of Investigative Dermatology” Oral JAK inhibitors improved alopecia areata by modulating immune responses and boosting hair growth.
June 2025 in “British Journal of Dermatology” Irish dermatologists urgently need guidelines for using JAK inhibitors in treating alopecia areata.
October 2024 in “The American Journal of Gastroenterology” Upadacitinib improved both Crohn's ileitis and alopecia universalis in a patient.
Ritlecitinib can reduce inflammation and help hair regrow in Alopecia Areata.
June 2023 in “Fundamental & clinical pharmacology” JAK inhibitors help treat some diseases but may increase risks of blood clots and cancer in certain patients.
March 2025 in “European Journal of Medical Genetics” Tofacitinib helped improve symptoms and hair growth in a patient with Aicardi-Goutières syndrome.
May 2026 in “Journal of Human Immunity” Ruxolitinib reduced inflammation and improved symptoms in APECED patients but may cause anemia and weight gain.