Core Insights - Roivant Sciences Ltd and Priovant Therapeutics announced positive results from the Phase 3 VALOR study for brepocitinib in treating dermatomyositis, marking a significant advancement in targeted therapy for this chronic autoimmune disorder [1][4]. Group 1: Study Results - Brepocitinib 30 mg showed a statistically significant improvement on the primary endpoint with a week 52 mean Total Improvement Score (TIS) of 46.5 compared to 31.2 for placebo (p=0.0006) [2][3]. - The treatment demonstrated clinically meaningful improvements across all nine key secondary endpoints, including skin and muscle disease metrics, steroid-sparing effects, and rapidity of onset [2][4]. Group 2: Patient Background and Outcomes - Approximately 75% of patients in the VALOR study were on background steroids, with a mean baseline dose of 12.2 mg/day in the brepocitinib group and 11.3 mg/day in the placebo group [5]. - Among those on steroids, 62% of brepocitinib patients reduced their steroid dose to ≤2.5 mg/day by the end of the study, compared to 34% for placebo, and 42% of brepocitinib patients were able to discontinue steroids entirely, versus 23% for placebo [5]. Group 3: Safety and Future Plans - The safety profile of brepocitinib 30 mg was consistent with previous clinical trials, indicating a favorable safety outcome [6]. - Priovant plans to file a New Drug Application (NDA) for brepocitinib in dermatomyositis in the first half of 2026 [6].