SEATTLE--(BUSINESS WIRE)--ZymoGenetics, Inc. (NASDAQ:ZGEN) announced today that its partner Merck Serono, a division of Merck KGaA, Darmstadt, Germany, initiated a Phase 2/3 trial of atacicept in patients with systemic lupus erythematosus (SLE). This study will evaluate the efficacy and safety of atacicept for the treatment of patients with SLE.
