Ionis Pharmaceuticals, Inc. (NASDAQ: IONS) today announced the official U.S. launch of Tryngolza™ (olezarsen), a novel, once-monthly RNA-targeted therapy for familial chylomicronemia syndrome (FCS). The drug enters the market at an annual list price of $595,000, following its FDA approval in December 2024.   First FDA-Approved Olezarsen Therapy for Familial...