June 2026 in “Saudi Medical Horizons Journal” This review discusses the role of JAK inhibitors in treating atopic dermatitis, alopecia areata, and vitiligo, highlighting their effectiveness and safety considerations but stressing the need for further research on long-term safety and patient selection.
49 citations
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August 2018 in “International Journal of Dermatology” In this phase I study, partial hair regrowth was observed in patients with alopecia universalis using topical JAK inhibitors, though more research is needed to confirm potential as a treatment alternative to clobetasol.
1 citations
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December 2023 in “Journal of the European Academy of Dermatology and Venereology” 15 citations
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December 2019 in “European Journal of Dermatology” This study identified new and recurrent missense mutations in the PHGDH and PSAT1 genes, implicating them in the pathogenesis of Neu-Laxova syndrome in Chinese patients.
157 citations
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December 2015 in “Journal of the American Academy of Dermatology” This case study reported significant but temporary hair regrowth and skin repigmentation in a patient with vitiligo and alopecia areata during treatment with oral ruxolitinib.
33 citations
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January 1979 in “Acta obstetricia et gynecologica Scandinavica” This study found that Diane®, a combination of cyproterone acetate and ethinyl estradiol, is an effective contraceptive and treatment for acne and seborrhea, but less effective for pronounced hair growth.
June 2026 in “Frontiers in Immunology” In this case report, a 57-year-old man with severe atopic dermatitis, vitiligo, and alopecia areata showed rapid and significant improvement after treatment with the JAK1 inhibitor upadacitinib, suggesting its potential as an effective monotherapy for these co-existing conditions when conventional therapies fail.
1 citations
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September 2025 in “JAAD reviews.” This review discusses the condition alopecia areata and summarizes its available treatments, mentioning three recently approved Janus kinase inhibitors, but reports no new clinical results.
70 citations
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October 2020 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” This review discusses the JAK-STAT pathway and the use of FDA-approved JAK inhibitors for autoimmune and inflammatory diseases but reports no new research findings.
September 2025 in “Acta Dermato Venereologica” Baricitinib can help improve hair loss and skin color issues in people with Down syndrome.
June 2026 in “British Journal of Dermatology” This study found that oral JAK inhibitors significantly improve hair regrowth in adults with moderate-to-severe alopecia areata compared to placebo, although they are associated with a higher risk of non-serious adverse events.
14 citations
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November 2016 in “Annals of Internal Medicine” Tofacitinib, an arthritis drug, helped hair growth in alopecia universalis but long-term safety needs more research.
6 citations
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November 2023 in “Clinical Pharmacokinetics” This research discusses the parallel clinical development of ritlecitinib, an oral Janus kinase 3/tyrosine kinase inhibitor, for treating conditions such as alopecia areata, vitiligo, ulcerative colitis, Crohn's disease, and rheumatoid arthritis. Results are not reported in the abstract.
2 citations
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September 2024 in “Journal of the American Academy of Dermatology” Deuruxolitinib is generally safe for treating alopecia areata.
11 citations
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November 2019 in “Clinical Case Reports” This study highlights that while there are no FDA- or ANVISA-approved treatments for children with alopecia areata, JAK inhibitors are emerging as a promising therapeutic option for this population.
January 2025 in “Geneesmiddelenbulletin” This 104-week follow-up trial found that baricitinib is effective and safe for treating severe alopecia areata but requires continuous use to sustain hair regrowth. The drug is included in the NVDV guidelines and reimbursed by Dutch insurers for this purpose.
2 citations
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December 2023 in “Journal of clinical immunology” This study describes the positive effects of the JAK inhibitor ruxolitinib in treating autoimmune manifestations in three patients with autoimmune polyendocrine syndrome type-1 over a period of at least 30 months, with excellent tolerance and no adverse events observed.
January 2019 in “프로그램북(구 초록집)” This study reported that oral JAK inhibitors, tofacitinib and ruxolitinib, may effectively promote hair regrowth in alopecia areata patients, though ruxolitinib had fewer adverse events compared to tofacitinib.
4 citations
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February 2024 in “Anais Brasileiros de Dermatologia”
February 2026 in “Indian Journal of Skin Allergy” This article reviews the clinical efficacy of Ruxolitinib cream for skin conditions, reporting significant improvements in atopic dermatitis and vitiligo, with minimal systemic absorption and a favorable safety profile, compared to placebo.
June 2025 in “British Journal of Dermatology” This study surveyed Irish dermatologists and found that while JAK inhibitors show promising efficacy for alopecia areata, there is significant variation in practice due to the lack of specific guidelines and long-term safety data for these treatments.
July 2026 in “Advances in Therapy” This study found that clinicians treating alopecia areata prioritize JAK inhibitor treatments with higher efficacy and faster initial hair growth, regardless of dosing frequency, and preferred the treatment option with ritlecitinib 50-mg data the least among several blinded profiles.
124 citations
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October 2019 in “Frontiers in Immunology” This review discusses the role of the JAK-STAT pathway in autoimmune skin diseases and suggests potential therapeutic benefits of JAK inhibitors, but reports no new experimental results.
2 citations
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September 2024 in “Internal Medicine Journal” In this case study, upadacitinib treatment for a patient with coexisting ulcerative colitis and alopecia universalis resulted in significant hair regrowth and maintained UC remission, suggesting potential for treating similar dual-diagnosed cases.
July 2026 in “Pediatric Dermatology” In this study, pediatric and young adults with alopecia areata reported high satisfaction with oral Janus kinase inhibitors, decreased hair loss severity, and a willingness to continue treatment despite potential risks, citing improvements in hair regrowth, tolerability, quality of life, and mental health.
January 2021 in “Journal of clinical & experimental dermatology research” This study found that a high dose of LustrivaTM, containing biotin and silicon, significantly increased hair thickness and reduced facial wrinkle depth in women with thinning hair compared to a placebo, without any reported adverse events.
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.
19 citations
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August 2019 in “Dermatologic therapy” This review discusses the use of Janus kinase inhibitors for alopecia areata and reports promising short-term efficacy but low-quality evidence, highlighting the need for further research to confirm long-term safety and effectiveness.
March 2024 in “Clinical, cosmetic and investigational dermatology” This study reported that five patients with alopecia areata achieved satisfactory results using 15 mg of Upadacitinib daily after conventional treatments had failed, without experiencing adverse events.
2 citations
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April 2019 in “Dermatologic Therapy” A patient with alopecia had hair regrowth with tofacitinib but developed a skin reaction, choosing to continue the treatment despite the side effect.