WCN24-1414 ORIGIN 3: PIVOTAL PHASE 3 STUDY EVALUATING EFFECT OF ATACICEPT VS PLACEBO ON PROTEINURIA AND RENAL FUNCTION PRESERVATION IN IGA NEPHROPATHY - Jonathan Barratt; Bart Maes; Rubeen Israni; Xuelian Wei; Jürgen Floege; Vivekanand Jha; Vladimir Tesar; Hong Zhang; Sean Barbour; Hitoshi Suzuki; Hernan Trimarchi; Celia Lin; et al. (Kidney International Reports)