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Molidustat for anemia correction in Japanese patients undergoing hemodialysis: a single-arm, phase 3 study.

ABSTRACT: Molidustat, an orally administered hypoxia-inducible factor prolyl-hydroxylase inhibitor, is under development for the treatment of anemia of CKD. This 24-week, phase 3, single-arm, multicenter study evaluated the efficacy and safety of molidustat in Japanese patients with renal anemia who were undergoing hemodialysis and who were not receiving an erythropoiesis-stimulating agent. Twenty-five patients received molidustat at a starting dose of 75 mg once daily, which was adjusted to maintain a Hb target of ≥10.0 to <12.0 g/dL. The mean rates of Hb increase from baseline and week 0 to the first dose change up to week 8 were -0.030 and 0.080 g/dL/week, respectively. By week 24, 89% of patients had a Hb level within target range. No adverse events of special interest were reported. Treatment with dose-titrated molidustat for 24 weeks was well tolerated in Japanese patients undergoing hemodialysis, and no new safety signal was observed. Clinicaltrials.gov identifier: NCT03351166.

SUBMITTER: Akizawa T

PROVIDER: S-EPMC9291098 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

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Molidustat for anemia correction in Japanese patients undergoing hemodialysis: a single-arm, phase 3 study.

Akizawa Tadao T Nobori Kiyoshi K Matsuda Yoshimi Y Hayashi Yasuhiro Y Hayasaki Takanori T Yamamoto Hiroyasu H

Therapeutic apheresis and dialysis : official peer-reviewed journal of the International Society for Apheresis, the Japanese Society for Apheresis, the Japanese Society for Dialysis Therapy 20210322 6

Molidustat, an orally administered hypoxia-inducible factor prolyl-hydroxylase inhibitor, is under development for the treatment of anemia of CKD. This 24-week, phase 3, single-arm, multicenter study evaluated the efficacy and safety of molidustat in Japanese patients with renal anemia who were undergoing hemodialysis and who were not receiving an erythropoiesis-stimulating agent. Twenty-five patients received molidustat at a starting dose of 75 mg once daily, which was adjusted to maintain a Hb ...[more]

PMID: 33506635

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Project description:Background and objectivesDaprodustat is an oral hypoxia-inducible factor prolyl hydroxylase inhibitor that stimulates erythropoiesis and regulates genes related to iron metabolism. The efficacy (noninferiority) and safety of daprodustat compared with standard therapy (darbepoetin alfa) was evaluated.Design, setting, participants, & measurementsThis was a randomized, phase 3, double-blind, active-control study in Japanese patients receiving hemodialysis with anemia of CKD. Participants' treatment was switched from current erythropoiesis-stimulating agents (ESAs) to daprodustat 4 mg once daily or darbepoetin alfa 10-60 μg once weekly (on the basis of the prestudy ESA dose). Dose was adjusted every 4 weeks for daprodustat or every 2 weeks for darbepoetin alfa, according to a protocol-specified algorithm. The primary end point was mean hemoglobin during weeks 40-52 in the intent-to-treat population.ResultsOf 332 participants screened, 271 participants were randomized (safety evaluation: 271 participants; efficacy evaluation: 267 intent-to-treat population). The mean hemoglobin during weeks 40-52 were maintained within the target range in both groups (10.9 g/dl [95% confidence interval (95% CI), 10.8 to 11.0] for daprodustat, and 10.8 g/dl [95% CI, 10.7 to 11.0] for darbepoetin alfa). Daprodustat was noninferior to darbepoetin alfa, as the lower bound of the confidence interval for the treatment difference (0.1 g/dl; 95% CI, -0.1 to 0.2 g/dl) was greater than the noninferiority criterion of -1.0 g/dl. For most participants, hemoglobin was maintained within the target range (10.0-12.0 g/dl) during weeks 40-52 (88% daprodustat; 90% darbepoetin alfa). Geometric mean hepcidin levels decreased more at week 52 with daprodustat (-37%; 95% CI, -49 to -23) than with darbepoetin alfa (-20%; 95% CI, -36 to -1), and an increase in total iron-binding capacity was observed in the daprodustat group. Frequency of adverse events were generally similar between daprodustat and darbepoetin alfa.ConclusionsOral daprodustat was noninferior to darbepoetin alfa as measured by mean hemoglobin over weeks 40-52 in Japanese patients receiving hemodialysis switched from ESAs.Clinical trial registry name and registration number201754, Clinicaltrials.gov, NCT02969655.

Dataset Information

Molidustat for anemia correction in Japanese patients undergoing hemodialysis: a single-arm, phase 3 study.

Publications

Molidustat for anemia correction in Japanese patients undergoing hemodialysis: a single-arm, phase 3 study.

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