FDA Accepts BridgeBio’s NDA for BBP‑418 as Potential First Limb‑Girdle Muscular Dystrophy Treatment on May 28, 2026 BBP-418 BridgeBio Clinical Trials FORTIFY LGMD2I/R9 Muscular Dystrophies, Limb-Girdle NDA PDUFA Priority Review United States Food and Drug Administration +