| Withdrawn | Study to Evaluate the Safety and Tolerability of KRX-0502 (Ferric Citrate) in Children With Iron Deficiency An Iron Deficiency Anemia Associated With Non-Dialysis Dependent Chronic Kidney Disease | Phase 3 | 2025-01-01 |
| Suspended | Study to Evaluate the Safety and Tolerability of Ferric Citrate in Children With Hyperphosphatemia Related to Hyperphosphatemia Related to Chronic Kidney Disease | Phase 3 | 2022-06-16 |
| Completed | KRX-0502 (Ferric Citrate) in Subjects With NDD-CKD and IDA (The COMPASS Trial) Chronic Kidney Diseases, Iron Deficiency Anemia | Phase 4 | 2017-08-15 |
| Completed | KRX-0502 (Ferric Citrate) for the Treatment of IDA in Adult Subjects With NDD-CKD Anemia of Chronic Kidney Disease | Phase 3 | 2014-10-01 |
| Completed | A Pilot Study of KRX-0502 (Ferric Citrate, Administered Without Food, in Treating Iron-deficiency Anemia Anemia of Chronic Kidney Disease | Phase 2 | 2014-04-01 |
| Completed | Ferric Citrate in Managing Serum Phosphorus and Iron Deficiency in Anemic Chronic Kidney Disease (CKD) Subject Iron Deficiency, Iron Deficiency Anemia | Phase 2 | 2012-11-01 |
| Completed | A Long-Term Safety Extension Trial of Ferric Citrate in Patients With End-Stage Renal Disease (ESRD) on Dialys End Stage Renal Disease, Kidney Failure, Renal Failure | Phase 3 | 2012-08-01 |
| Completed | A 58-Week Safety and Efficacy Trial of Ferric Citrate in Patients With ESRD on Dialysis Hyperphosphatemia, Kidney Failure | Phase 3 | 2010-10-01 |
| Completed | A 4-Week Dose-Ranging and Efficacy Trial of KRX-0502 (Ferric Citrate) in Patients With End-Stage Renal Disease Hyperphosphatemia, End-Stage Renal Disease | Phase 3 | 2010-05-01 |
| Completed | Trial of a New Formulation of KRX-0502 (Ferric Citrate) in Patients With End-Stage Renal Disease Hyperphosphatemia, End-stage Renal Disease, Renal Failure Chronic Requiring Hemodialysis | — | 2010-01-01 |
| Completed | A Safety and Tolerability Study of Zerenex (Ferric Citrate) in Patients With End-Stage Renal Disease (ESRD) Hyperphosphatemia, End-stage Renal Disease | Phase 2 | 2008-03-01 |
| Terminated | Open Label Tolerability and Safety Study of KRX-101 in Australia, New Zealand, and Hong Kong Diabetic Nephropathy | Phase 3 | 2007-04-01 |
| Completed | Effect of Sulodexide in Early Diabetic Nephropathy Diabetic Nephropathy | Phase 3 | 2005-08-01 |
| Terminated | Effect of Sulodexide in Overt Diabetic Nephropathy Diabetic Nephropathy | Phase 4 | 2005-08-01 |