AbbVie Announces Positive Topline Results from Second Phase 3 UP-AA Trial Evaluating Upadacitinib (RINVOQ®) for Alopecia Areata

Core Insights - AbbVie announced positive topline results from the Phase 3 UP-AA clinical program for upadacitinib (RINVOQ) in treating severe alopecia areata, showing significant hair regrowth in patients [1][4][34] Study Results - In Study 1, 45.2% of patients on 15 mg and 55.0% on 30 mg of upadacitinib achieved 80% or more scalp hair coverage at week 24, compared to only 1.5% in the placebo group (p<0.001) [1][4] - Additionally, 35.2% and 45.8% of patients on 15 mg and 30 mg, respectively, reached 90% or more scalp hair coverage at week 24, compared to 0.7% in the placebo group (p<0.001) [2][4] - Key secondary endpoints were also met, including improvements in eyebrows and eyelashes, and complete scalp hair coverage (SALT=0) [2][4] Safety Profile - The safety profile of upadacitinib was consistent with previous studies, with treatment-emergent serious adverse events occurring in 1.9% and 1.8% of patients in the 15 mg and 30 mg groups, respectively, compared to 0.7% in the placebo group [2][4] - Common treatment-emergent adverse events included upper respiratory tract infections, acne, and increased blood creatine phosphokinase levels [2][4] Clinical Trial Design - The UP-AA clinical trial included two pivotal studies (Study 1 and Study 2) with a total of 1,399 participants aged 12 to 64 across 248 sites globally [5][34] - The studies were randomized, placebo-controlled, and double-blind, evaluating the efficacy and safety of upadacitinib over a total duration of 52 weeks [5][34]