July 2026 in “Asian Journal of Pharmaceutical Sciences” The researchers designed a Janus microneedle system for treating vitiligo, which targets the skin’s layers to regulate the immune response, promote melanocyte regeneration, and enhance pigment transfer, offering a new precise treatment approach for this condition.
January 2023 in “National Journal of Physiology, Pharmacy and Pharmacology” In this study, tofacitinib treatment for six months significantly reduced hair loss severity in alopecia areata patients.
July 2026 in “Journal of Investigative Dermatology” Alopecia totalis/universalis involves more intense immune activity and inflammation than patchy alopecia areata.
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May 2025 in “Frontiers in Immunology” This review examines the mechanisms of Janus kinase inhibitors in treating alopecia areata and evaluates their efficacy and safety, but reports no new clinical results.
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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.