The U.S. Food and Drug Administration approved Vyvgart (efgartigimod alfa-fcab) for the treatment of generalized myasthenia gravis (gMG) in adult patients positive for anti-acetylcholine receptor (AChR) antibody.

Alexion Pharmaceuticals is acquiring Syntimmune, a company working to produce antibody therapeutics that focus on the neonatal Fc receptor (FcRn), for a total value of up to $1.2 billion.

Specialty pharmaceutical company Mallinckrodt plc struck a deal to acquire privately held InfaCare, a Pennsylvania-based company focused on therapies for neonatal and pediatric patients.