WCN25-2470 Long-term Results from the ORIGIN Phase 2b Study of Atacicept for the Treatment of IgAN - Vivekanand Jha; Richard Lafayette; Sean Barbour; Robert Brenner; Kerry Cooper; Xuelian Wei; Necmi Eren; Jürgen Floege; Sung Gyun Kim; Bart Maes; Richard Phoon; Harmeet Singh; et al. (Kidney International Reports)