The U.S. Food and Drug Administration (FDA) has approved Johnson & Johnson’s IMAAVY (nipocalimab-aahu), a human FcRn-blocking monoclonal antibody, for the treatment of generalized myasthenia gravis (gMG). The approval, which follows FDA Priority Review designation, offers a new treatment option in a proven class with the potential for lasting disease control in the broadest population of people living with gMG (adults and pediatric patients 12 years of age and older who are anti-acetylcho...