J&J wins first FDA label expansion for IMAAVY in rare blood disorder on August 25, 2026 ENERGY study expansion Imaavy Johnson & Johnson Labels (device) Myasthenia Gravis, Generalized Nipocalimab United States Food and Drug Administration wAIHA warm autoimmune Warm autoimmune hemolytic anemia +
J&J Halts Phase 2a Rheumatoid Arthritis Program for Imaavy (Nipocalimab) after Lackluster Results on August 29, 2025 Autoimmune Diseases Clinical Research clinical trial failure daisy Imaavy Johnson and Johnson Nipocalimab Phase 2a Trial Rheumatoid Arthritis +