Dataset Information

Molidustat for the treatment of anemia in Japanese patients undergoing peritoneal dialysis: a single-arm, open-label, phase 3 study.

ABSTRACT: This 36-week, open-label, single-arm, phase 3 study investigated the safety and efficacy of molidustat in Japanese patients with renal anemia undergoing peritoneal dialysis. Molidustat was titrated every 4 weeks to maintain Hb levels within the target range (≥11.0 and <13.0 g/dL). The primary efficacy outcome was the responder rate, defined as the proportion of patients who met all of the following criteria: (1) mean Hb levels in the target range during the evaluation period (Weeks 30-36); (2) ≥50% of Hb values within the target range during the evaluation period; and (3) no rescue treatment before the end of the evaluation period. Overall, 51 patients received molidustat. The responder rate (95% CI) during the evaluation period was 54.9% (40.3, 68.9). Overall, 98.0% of patients experienced at least 1 adverse event during the study. No deaths were reported. Molidustat maintained Hb levels in the prespecified range in more than half of the patients and was well tolerated.

SUBMITTER: Akizawa T

PROVIDER: S-EPMC9290504 | biostudies-literature | 2022 Apr

REPOSITORIES: biostudies-literature

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Molidustat for the treatment of anemia in Japanese patients undergoing peritoneal dialysis: a single-arm, open-label, phase 3 study.

Akizawa Tadao T Nobori Kiyoshi K Matsuda Yoshimi Y Taki Kentaro K 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 20210731 2

This 36-week, open-label, single-arm, phase 3 study investigated the safety and efficacy of molidustat in Japanese patients with renal anemia undergoing peritoneal dialysis. Molidustat was titrated every 4 weeks to maintain Hb levels within the target range (≥11.0 and <13.0 g/dL). The primary efficacy outcome was the responder rate, defined as the proportion of patients who met all of the following criteria: (1) mean Hb levels in the target range during the evaluation period (Weeks 30-36); (2) ≥ ...[more]

PMID: 34310049

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Project description:BackgroundDaprodustat is an oral agent that stimulates erythropoiesis by inhibiting the prolyl hydroxylases which mark hypoxia-inducible factor for degradation through hydroxylation. Its safety and efficacy (noninferiority) were assessed in this 52-week, open-label study.MethodsJapanese patients not on dialysis (ND) (N = 299) with anemia of CKD (stages G3, G4, and G5) with iron parameters of ferritin >100 ng/mL or transferrin saturation >20% at screening were randomized to daprodustat or epoetin beta pegol (continuous erythropoietin receptor activator [CERA], also known as methoxy polyethylene glycol-epoetin beta). After initiation of the study, the daprodustat starting dose for erythropoiesis-stimulating agent (ESA)-naïve participants was revised, and daprodustat was started at 2 or 4 mg once daily depending on baseline hemoglobin. ESA users switched to daprodustat 4 mg once daily. CERA was started at 25 μg every 2 weeks for ESA-naïve patients and 25-250 μg every 4 weeks for ESA users based on previous ESA dose. In both treatment groups, dose was adjusted every 4 weeks based on hemoglobin level and changed according to a prespecified algorithm. The primary endpoint was mean hemoglobin level during weeks 40-52 in the intention-to-treat (ITT) population. ESA-naïve patients who entered before the protocol amendment revising the daprodustat starting dose were excluded from the ITT population.ResultsMean hemoglobin levels during weeks 40-52 were 12.0 g/dL in the daprodustat group (n = 108; 95% confidence interval [CI], 11.8-12.1) and 11.9 g/dL for CERA (n = 109; 95% CI 11.7-12.0); the difference between the groups was 0.1 g/dL (95% CI -0.1 to 0.3 g/dL). The lower limit of the 95% CI of the difference was greater than the prespecified margin of -1.0 g/dL. The mean hemoglobin level was within the target range (11.0-13.0 g/dL) during weeks 40-52 for 92% of participants in both groups. There was no meaningful difference in the frequencies of adverse events.ConclusionsOral daprodustat was noninferior to CERA in achieving and maintaining target hemoglobin levels in Japanese ND patients. Daprodustat was well tolerated, with no new safety concerns identified.

Project description:IntroductionRoxadustat is an oral hypoxia-inducible factor prolyl hydroxylase inhibitor approved for the treatment of anemia in Japan for patients with dialysis-dependent (DD) chronic kidney disease (CKD).ObjectiveMulticenter, randomized, open-label, noncomparative, phase 3 study to evaluate roxadustat for anemia of non-dialysis-dependent (NDD) CKD in Japan.MethodsErythropoiesis stimulating agent (ESA)-naïve NDD-CKD patients were randomized to roxadustat (initial dose, 50 or 70 mg 3 times weekly), titrated to maintain hemoglobin (Hb) within 10.0-12.0 g/dL, for ≤24 weeks. Patients with either transferrin saturation of ≥5% or serum ferritin of ≥30 ng/mL during the screening period were eligible. Endpoints included response rate (proportion of patients achieving Hb ≥10.0 or ≥10.5 g/dL and Hb increase ≥1.0 g/dL from baseline) at end of treatment; average Hb (weeks 18-24); change of average Hb from baseline to weeks 18-24; maintenance rate (proportion of patients achieving Hb 10.0-12.0 g/dL at weeks 18-24); rate of rise (RoR) of Hb from weeks 0-4, discontinuation, or dose adjustment. Adverse events were monitored throughout the study.ResultsOf 135 patients who provided informed consent, 100 were randomized and 99 received roxadustat (50 mg, n = 49; 70 mg, n = 50). The mean (SD) dose of roxadustat per intake at week 22 was 36.3 (22.7) mg in the roxadustat 50 mg group and 36.8 (16.0) mg in the roxadustat 70 mg group. Prior medications included oral iron therapy (20.2%) and intravenous iron therapy (1.0%). Overall response rate (95% CI) was 97.0% (91.4, 99.4; Hb ≥10.0 g/dL) and 94.9% (88.6, 98.3; Hb ≥10.5 g/dL). Mean (SD) Hb (weeks 18-24) was 11.17 (0.62) g/dL. Mean (SD) change of Hb from baseline (weeks 18-24) was 1.34 (0.86) g/dL. Maintenance rate (95% CI) was 88.8% (80.3, 94.5) among patients with ≥1 Hb measurement during weeks 18-24. Mean (SD) RoR of Hb was 0.291 (0.197) g/dL/week (50 mg) and 0.373 (0.235) g/dL/week (70 mg). Nasopharyngitis and hypertension were the most common adverse events.ConclusionRoxadustat increased and maintained Hb in ESA-naïve, partially iron-depleted NDD-CKD patients with anemia.

Dataset Information

Molidustat for the treatment of anemia in Japanese patients undergoing peritoneal dialysis: a single-arm, open-label, phase 3 study.

Publications

Molidustat for the treatment of anemia in Japanese patients undergoing peritoneal dialysis: a single-arm, open-label, phase 3 study.

Similar Datasets

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