701 citations
,
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.
489 citations
,
November 2021 in “Signal Transduction and Targeted Therapy” This review discusses the composition, activation, and regulation of the JAK/STAT pathway and highlights its role and inhibitors in various diseases, but reports no new experimental results.
355 citations
,
January 2017 in “Journal of the American Academy of Dermatology” This review reports no new results and highlights existing research suggesting JAK inhibitors may be effective in treating inflammatory skin conditions like alopecia areata, atopic dermatitis, psoriasis, and vitiligo.
277 citations
,
December 2019 in “Frontiers in Immunology” This review discusses the immunological basis and development of Janus kinase inhibitors for treating skin diseases and reports no new clinical findings.
223 citations
,
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.
184 citations
,
February 2015 in “EBioMedicine” This study observed that baricitinib treatment led to significant improvement in a patient's alopecia areata symptoms and suggests further clinical trials to explore its potential as a treatment.
159 citations
,
October 2015 in “Science Advances” This study observed that applying JAK-STAT pathway inhibitors to mouse and human skin led to rapid hair growth by inducing the anagen phase of hair follicles.
130 citations
,
February 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This study found that JAK inhibitors for alopecia areata showed promising response rates, with 72.4% of 289 cases responding, and oral administration achieving better outcomes than topical treatment, but recurrence occurred when treatment stopped. Further large-scale studies are needed to confirm these findings.
63 citations
,
July 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” In this review, the researchers reported that JAK inhibitors, originally approved by the FDA for other uses, have shown effectiveness in reversing hair loss in patients with moderate to severe alopecia areata, based on current preclinical and clinical studies.
56 citations
,
January 2022 in “Burns & Trauma” This study suggests that intercellular communication via the WNT5A and STAT pathways may partly drive EMT-like phenomena in keloid pathogenesis, based on findings in an animal model.
56 citations
,
January 2019 in “Lancet” This review discusses the emerging use of JAK inhibitors in alopecia areata treatment and reports no new clinical results; it highlights hair regrowth despite symptom recurrence after stopping therapy.
55 citations
,
October 2019 in “Dermatology and therapy” This review found that JAK/STAT pathway inhibitors, such as tofacitinib and ruxolitinib, led to symptom improvement in all observed atopic dermatitis cases, but responses were mixed for vitiligo and alopecia areata, with a generally mild safety profile reported.
51 citations
,
October 2019 in “Cells” This study reported that inhibiting the JAK-STAT pathway with baricitinib restored cellular homeostasis, delayed senescence, and reduced proinflammatory markers in Hutchinson-Gilford progeria syndrome cell models.
45 citations
,
November 2018 in “Journal of dermatological treatment” This study reviewed 17 publications and found the strongest evidence supporting the efficacy of JAK-inhibitors in treating psoriasis, with some potential observed for alopecia areata, atopic dermatitis, and vitiligo, though further research is needed to compare with current treatments.
42 citations
,
April 2021 in “JCI insight” In this study, selective inhibition of JAK3 signaling effectively prevented and reversed alopecia areata in a mouse model, while JAK2 inhibitors did not restore hair growth.
40 citations
,
August 2022 in “Frontiers in immunology” This review discusses the potential of JAK inhibitors as a promising treatment strategy for alopecia areata, highlighting their mechanism and recent FDA approval based on clinical trial efficacy.
40 citations
,
June 2021 in “Clinical, cosmetic and investigational dermatology” This review explores the efficacy and outcomes of using JAK inhibitors for treating alopecia areata, noting advancements in understanding the disease's pathomechanisms and suggesting that JAK inhibitors may offer targeted therapeutic benefits by blocking specific inflammatory pathways involved in this chronic condition.
40 citations
,
December 2016 in “Journal of Dermatological Treatment” This study reviewed the role of the JAK/STAT signaling pathway in skin diseases and the potential of JAK inhibitors for treating conditions like psoriasis and atopic dermatitis. Although the findings are promising, the authors concluded it is premature to establish their place in dermatological treatments.
37 citations
,
August 2022 in “Frontiers in pharmacology” This study found that oral JAK inhibitors are effective and generally well-tolerated for treating alopecia areata, but high recurrence rates after stopping treatment suggest the need for continuous use.
29 citations
,
December 2019 in “Expert review of clinical pharmacology” This review discusses the evidence supporting Janus kinase inhibitors for alopecia areata and highlights ongoing optimism as phase 3 trials begin, with no new clinical results reported.
24 citations
,
July 2021 in “Pharmaceutics” This article reviews the JAK signaling pathway and the development of ruxolitinib cream as a targeted treatment for inflammatory skin diseases, reporting no new clinical results.
20 citations
,
December 2020 in “Actas Dermo-Sifiliográficas” This review examines the JAK/STAT signaling pathway's significance in inflammatory skin diseases and evaluates the efficacy and safety of oral and topical JAK inhibitors for treating vitiligo and alopecia areata. Results are not reported in this study.
20 citations
,
January 2018 in “Expert opinion on emerging drugs” This review discusses the potential of Janus Kinase inhibitors for treating alopecia areata and other forms of alopecia, highlighting the need for further research on their long-term safety and optimal formulation.
18 citations
,
August 2024 in “eLife” This study investigated immune dysregulation in individuals with Down syndrome and found that treatment with the JAK inhibitor tofacitinib improved skin conditions like alopecia areata and reduced autoimmune markers without severe side effects. Additional research is necessary to understand its broader impacts.
17 citations
,
May 2019 in “BMJ Open” This review discusses the potential of drugs targeting the JAK/STAT pathway for dermatological diseases and outlines a protocol to assess existing evidence, reporting no new clinical results.
16 citations
,
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.
16 citations
,
January 2020 in “Annals of the rheumatic diseases” In this study, baricitinib improved the resolution of arthritis or rash in patients with systemic lupus erythematosus, but outcomes for skin involvement like alopecia were not reported.
16 citations
,
June 2018 in “JAAD case reports” This article reviews the differences in inflammatory processes between alopecia universalis and atopic dermatitis, focusing on type 1 and type 2 immune responses, but it reports no new results.
15 citations
,
June 2020 in “Processes” This study suggests that the emulsion extract of brevilin A from Centipeda minima may stimulate hair regrowth in individuals with mild to moderate vertex balding by inhibiting JAK3.
15 citations
,
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.