New two-year findings from the Phase 2/3 long-term extension demonstrate sustained disease control through two years, improvement in daily function and muscle strength, and reductions in corticosteroid use in anti-AChR+a adolescents Retrospective survey in adults identified fluctuating symptom control as a top driver for discontinuing prior advanced treatment, with most patient outcomes improving after transitioning to IMAAVY Data among 15 novel abstracts on IMAAVY to be presented at the MGFA Scientific Session during AANEM 2026 SPRING HOUSE, Pa., Sept. 29, 2026 /PRNewswire/ -- Johnson & Johnson (NYSE: JNJ) today announced new findings on IMAAVY® (nipocalimab-aahu) for the treatment of generalized myasthenia gravis (gMG) across 15 novel abstracts to be presented at the 2026 Myasthenia Gravis Foundation of America (MGFA) Scientific Session and American Association of Neuromuscular & Electrodiagnostic Medicine (AANEM) Annual... Read more





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