Also known as: FcRn
argenx reported $1.3B in Q1 2026 global product net sales (63% YoY growth). The FDA PDUFA target date for seronegative gMG is May 10, 2026. Positive ADAPT OCULUS results support an oMG label expansion. Pipeline milestones include myositis readout in Q3 2026 and MMN readout in Q4 2026.
Three FcRn inhibitors are approved for generalized myasthenia gravis, with a head-to-head trial of efgartigimod and nipocalimab underway. Emerging therapies including telitacicept, gefurulimab, and CAR-T cell therapy (KYV-101) show promise, while Immunovant's batoclimab failed TED trials.
The FDA approved 46 novel drugs in 2025, down from 50 in 2024. Small molecules accounted for 31 approvals (67%), with oncology leading at nine approvals. Large molecules contributed 15 approvals (33%), spanning ADCs, bispecifics, and subcutaneous delivery innovations.
