SMRTR TechAug 30, 2026Interesting Engineering

100% hair restored: Arthritis drug proves efficacy, some patients report hair regrowth in trial

SMRTR summary

An arthritis drug called upadacitinib has shown strong results in treating severe alopecia areata, an autoimmune condition where the immune system attacks hair follicles. In two international trials, about half of patients achieved at least 80% scalp hair coverage after 24 weeks, with some reaching full regrowth, despite starting the trials having lost an average of 84% of their hair.

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