Sanofi halts phase 3 autoimmune trial early over insufficient efficacy as pipeline woes continue on June 10, 2026 Autoimmune Effectiveness Inadequate (qualifier) Phase 3 Polyradiculoneuropathy, Chronic Inflammatory Demyelinating Riliprubart sanofi Therapeutic Mobilization VITALIZE +
Argenx Prepares FDA Filing to Expand Vyvgart Use in Myasthenia Gravis After Late-Stage Trial Win on August 25, 2025 Approved Argenx Myasthenia Gravis Myasthenia Gravis, Generalized Polyradiculoneuropathy, Chronic Inflammatory Demyelinating Self-injection Syringes United States Food and Drug Administration Vyvgart +