16 citations
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July 2020 in “International Journal of Molecular Sciences” This study found that ruxolitinib modulated inflammatory changes and stimulated growth factor signals by blocking the JAK-STAT pathway in an in vitro model of alopecia areata.
15 citations
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December 2018 in “International journal of environmental research and public health/International journal of environmental research and public health” This study observed that Epigallocatechin-3-gallate (EGCG) can inhibit phosphorylation of STAT1 and reduce a specific subset of immune cells in vitro and ex vivo, suggesting a potential role in maintaining immune privilege in alopecia areata.
223 citations
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September 2018 in “Rheumatology” This review examines clinical data on the efficacy and safety of JAK inhibitors used for immune-mediated conditions beyond rheumatoid arthritis, highlighting their potential therapeutic roles in various inflammatory diseases.
1 citations
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June 2023 in “American Journal of Clinical Dermatology” In two phase 3 clinical trials, this study found that adults with severe alopecia areata receiving baricitinib experienced significant hair regrowth on the scalp, eyebrows, and eyelashes over 36 weeks compared to placebo, although longer-term data are needed to fully assess benefits and risks.
1 citations
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September 2023 in “Dermatology and Therapy” In this phase 3 trial analysis, baricitinib improved scalp hair growth in adults with severe alopecia areata, with a faster and higher response in those receiving 4 mg compared to 2 mg, but response varied with severity at baseline and continued through week 52.
4 citations
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September 2022 in “Journal of The American Academy of Dermatology” This study examined phase 3 clinical trial data and found that baricitinib improves hair regrowth in adults with alopecia areata and significant scalp hair loss, with the response varying based on the severity of hair loss at the start of treatment.
January 2023 in “Indian Dermatology Online Journal” This review discusses the role of the JAK/STAT pathway in managing alopecia areata and emphasizes the need for further research to determine the ideal JAK inhibitor, as it reports no new clinical results.
7 citations
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November 2023 in “JAAD Case Reports” This study highlights the recent FDA approval of baricitinib as the first on-label treatment for severe alopecia areata, whereas previous treatments were off-label therapies like systemic steroids and immunosuppressants.
16 citations
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January 2017 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” This case study reports that a 23-year-old woman with alopecia universalis experienced complete hair regrowth after six months of treatment with tofacitinib, a JAK-3 inhibitor.
3 citations
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May 2023 in “Clinical drug investigation” This study reviewed the safety of JAK inhibitors for alopecia areata, finding that common side effects included headache and acne, with varying risks for respiratory infections and no increased risk of serious adverse events.
63 citations
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April 2018 in “Journal of the American Academy of Dermatology” This review discusses the efficacy and safety of topical JAK inhibitors for inflammatory skin conditions, reporting modest benefits in psoriasis and atopic dermatitis but mixed results for vitiligo and inconclusive data for alopecia areata.
9 citations
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January 2023 in “Dermatology and therapy” This case report describes a 14-year-old girl with alopecia universalis and mild atopic dermatitis who achieved complete hair regrowth and eczema resolution after three months of treatment with the JAK1 inhibitor upadacitinib.
February 2026 in “Dove Medical Press (Taylor and Francis Group)” This case report highlights two instances of alopecia areata, demonstrating diverse presentations, and suggests upadacitinib as a promising treatment option, resulting in hair regrowth within 3–6 months, without worsening sarcoidosis-related skin lesions.
1 citations
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April 2017 in “Journal of Investigative Dermatology” This study found that oral tofacitinib led to variable hair regrowth in patients with resistant alopecia areata, implying that longer treatment durations may be needed to fully assess its effectiveness.
Ivarmacitinib effectively regrows hair in severe alopecia areata.
16 citations
,
August 2023 in “JAAD Case Reports” This review discusses the unclear etiology and potential contributing factors of frontal fibrosing alopecia and reports no new clinical findings.
1 citations
,
January 2023 in “Research Square (Research Square)” In this report, a 61-year-old woman with vitiligo showed significant improvement after tofacitinib treatment but developed lung adenocarcinoma, highlighting potential cancer risks associated with JAK inhibitors.
January 2016 in “Springer eBooks” This review examines the clinical presentation and management strategies for alopecia areata, focusing on pediatric patients, and highlights the need for addressing its psychological impacts; it reports no new clinical findings.
September 2025 in “Asian journal of pediatric dermatology.” This case study reports the successful use of abrocitinib for treating severe alopecia areata in a 14-year-old patient, demonstrating significant hair regrowth and suggesting the need for sustained JAK1 inhibition to prevent relapse.
701 citations
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August 2014 in “Nature medicine” This study found that JAK inhibitors promote hair regrowth in both mice and human alopecia areata cases by blocking key immune pathways involved in disease development.
January 2023 in “Journal of The American Academy of Dermatology” This study found that 79% of adolescents with moderate-to-severe alopecia areata treated with baricitinib experienced significant scalp hair regrowth, although further research is needed to confirm these results.
3 citations
,
November 2024 in “Clinical Research” This article discusses the immune mechanisms involved in alopecia areata, focusing on T-cell activity and cytokine-driven JAK signaling, but reports no new clinical results.
15 citations
,
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.
124 citations
,
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.
8 citations
,
January 2017 in “Dermatology online journal” This case study reports that tofacitinib led to remission of psoriasis but did not improve alopecia universalis in one patient, suggesting varied responses in treating such conditions.
October 2023 in “International journal of rheumatic diseases” This study found that the JAK3/TEC kinase inhibitor ritlecitinib was effective and well tolerated in patients aged 12 and older with alopecia areata, providing a potential systemic treatment option for this condition, especially in cases of significant psychosocial impact.
1 citations
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April 2018 in “Journal of Investigative Dermatology” This open-label study found that oral tofacitinib led to significant hair regrowth in patients with moderate-to-severe alopecia areata, supported by changes in gene expression and T cell dynamics.
196 citations
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September 2016 in “JCI insight” This study explored the effectiveness of the oral JAK1/2 inhibitor ruxolitinib in treating patients with moderate-to-severe alopecia areata, building on prior success with JAK inhibitors in mice, but results are not reported in this abstract.
1 citations
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August 2022 in “Journal of Dermatology and Dermatologic Surgery” In this case report, tofacitinib was initiated in a 20-year-old female with alopecia universalis resistant to topical treatments, but resulted in a mild peripheral neuropathy side effect.
February 2025 in “Diagnostics” In this study, JAK inhibitors significantly improved outcomes for patients with both atopic dermatitis and alopecia areata, while dupilumab was linked to worsening alopecia in some cases.