Overview RBT-1 Phase 1b Clinical Trial in Healthy Volunteers and Subjects With CKD Status: Withdrawn Trial end date: 2019-03-31 Target enrollment: Participant gender: Summary A Phase 1b study to evaluate the safety, tolerability and pharmacodynamic effect of RBT-1 in healthy volunteers and subjects with stage 3b-4 CKD. Phase: Phase 1 Details Lead Sponsor: Renibus Therapeutics, Inc.Renibus Therapuetics, Inc.Treatments: Ferric CompoundsFerric Oxide, SaccharatedIronProtoporphyrin IXTin protoporphyrin IX