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.
222 citations
,
September 2016 in “JCI insight” This research overview highlights that although JAK inhibitors show promise as potential treatments for alopecia areata based on recent insights into the disease mechanism, their efficacy has not yet been thoroughly evaluated in a systematic manner.
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.
141 citations
,
March 2011 in “Journal of Dermatology” This study in Japan found varying prevalence of skin disorders, with atopic dermatitis common in children and tinea pedis in the elderly, and observed gender differences in disease susceptibility.
138 citations
,
March 2021 in “Journal of the American Academy of Dermatology” This study found that treatment with ritlecitinib or brepocitinib was effective in improving scalp hair loss for patients with alopecia areata over 24 weeks compared to placebo.
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.
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.
116 citations
,
February 2017 in “Journal of the American Academy of Dermatology” This systematic review found that Janus kinase inhibitors have shown beneficial effects for psoriasis and alopecia areata, with promising preliminary results in other skin conditions, though more research is needed to define dosing and safety profiles.
83 citations
,
June 2017 in “Journal of the American Academy of Dermatology” This study observed that most pediatric patients with alopecia areata experienced some hair regrowth after treatment with topical JAK inhibitors, and the formulations were generally well-tolerated with mild lab abnormalities in some cases.
75 citations
,
January 2014 in “Archiv Der Pharmazie” This review discusses the synthesis and biological activities of jasmonates, highlighting their potential as drugs and prodrugs, but reports no new clinical results; further research and trials are anticipated.
70 citations
,
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.
66 citations
,
December 2018 in “Dermatology” This study found that oral JAK inhibitors, ruxolitinib and tofacitinib, are effective and well-tolerated for treating severe alopecia areata, with a similar degree of hair regrowth and relapse rates, but ruxolitinib induced faster initial hair regrowth.
66 citations
,
June 2021 in “Journal of The American Academy of Dermatology” In this phase 2 study, baricitinib at 2 mg and 4 mg doses significantly improved hair regrowth in adults with alopecia areata and ≥50% scalp hair loss compared to placebo, without new safety concerns, although the small sample size limits the results' generalizability.
63 citations
,
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.
63 citations
,
July 2024 in “Journal of the American Academy of Dermatology” This study found that the oral JAK1/JAK2 inhibitor deuruxolitinib effectively promoted hair regrowth and patient satisfaction in adults with alopecia areata over 24 weeks.
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.
62 citations
,
December 2008 in “Journal of structural biology” This study found that in naturally curved human scalp hairs, distinct arrangements of cell types on either side of the hair fiber contribute to its curvature.
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.
53 citations
,
July 2018 in “Drug design, development and therapy” This review summarizes existing evidence on the efficacy and safety of JAK inhibitors for treating alopecia areata and emphasizes the need for improved topical formulations.
53 citations
,
June 1977 in “Lancet” In this study, jaw wiring led to significant weight loss in patients with severe obesity, but two-thirds regained weight after the wires were removed.
52 citations
,
September 2014 in “Nature medicine” JAK inhibitors might help treat alopecia areata.
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.
49 citations
,
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.