AstraZeneca’s rare disease arm Alexion agreed to resolve all patent disputes with Chugai Pharmaceutical regarding the prescription drug Ultomiris (ravulizumab) by signing a settlement agreement that will involve a one-time payment of $775 million. 

Apellis Pharmaceuticals’ pegcetacoplan beat out Alexion Pharmaceuticals’ Soliris in the Phase III PEGASUS study in adults with paroxysmal nocturnal hemoglobinuria (PNH).