Loargys (pegzilarginase‑nbln) FDA Approval: First Enzyme Replacement for Arginase 1 Deficiency
Loargys (pegzilarginase‑nbln) is a pegylated, cobalt‑substituted recombinant human arginase‑1 enzyme granted accelerated FDA approval on 23 February 2026 for treatment of hyperargininemia in adults and children 2 years and older with arginase 1 deficiency (ARG1‑D), in conjunction with dietary protein…