Overview Effect of Preoperative Intravenous Ferric Carboxymaltose for Clipping Surgery Status: Not yet recruiting Trial end date: 2023-04-01 Target enrollment: Participant gender: Summary Hypothesis: Correction of preoperative anemia can reduce the need for intra-/postoperative RBC transfusions and can improve surgical outcomes. Phase: Phase 4 Details Lead Sponsor: Seoul National University HospitalCollaborator: Vifor Pharma