RP
About
Ra Pharmaceuticals was a clinical-stage biopharmaceutical company focused on developing novel therapies targeting the complement system, a part of the immune system implicated in many serious diseases. The company's lead program, zilucoplan, is a macrocyclic peptide inhibitor of complement component 5 (C5) being developed for generalized myasthenia gravis and other complement-mediated disorders. Ra Pharmaceuticals was acquired by UCB in 2020 for approximately $2.1 billion. Zilucoplan received FDA approval in 2023 under the brand name Zilbrysq for the treatment of generalized myasthenia gravis in adults who are anti-acetylcholine receptor antibody positive.
Approved Drugs
zilucoplancomplement peptide