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Yazaki M, Nabeta T, Takigami Y, Eda Y, Fujita T, Iida Y, Ikeda Y, Ishii S, Ako J. Efficacy of Hypoxia-Inducible Factor Prolyl Hydroxylase Inhibitor on Clinical Parameters in Patients with Heart Failure. Medicina (Kaunas) 2024; 60:84. [PMID: 38256345 PMCID: PMC10819974 DOI: 10.3390/medicina60010084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 12/18/2023] [Accepted: 12/30/2023] [Indexed: 01/24/2024]
Abstract
Background and Objectives: Hypoxia-inducible factor prolyl hydroxylase (HIF-PH) inhibitors have been approved as an oral drug for treating anemia in chronic kidney disease (CKD). However, the clinical effect of HIF-PH inhibitors in patients with heart failure (HF) is unclear. Thus, this study investigated the effect of HIF-PH inhibitors in patients with HF and CKD. Materials and Methods: Thirteen patients with HF complicated by renal anemia who were started on vadadustat were enrolled. Clinical parameters were compared before and 1 month after vadadustat was started. Results: The mean left ventricular ejection fraction was 49.8 ± 13.9%, and the mean estimated glomerular filtration rate was 29.4 ± 10.6 mL/min/1.73 m2. The hemoglobin level was significantly increased (9.7 ± 1.3 mg/dL vs. 11.3 ± 1.3 mg/dL, p < 0.001), and the N-terminal prohormone of B-type natriuretic peptide was significantly decreased after the introduction of vadadustat [4357 (2651-15182) pg/mL vs. 2367 (1719-9347) pg/mL, p = 0.002]. Furthermore, the number of patients with New York Heart Association functional class ≥ 3 was also decreased after the introduction of vadadustat [8 (61.5%) vs. 1 (7.7%), p = 0.008]. No thromboembolic adverse events or new tumors were observed in any patient during the study period. Conclusions: The introduction of vadadustat in patients with HF complicated by renal anemia led to improvements in anemia and symptoms of HF.
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Affiliation(s)
- Mayu Yazaki
- Department of Cardiovascular Medicine, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami-ku, Sagamihara 252-0329, Kanagawa, Japan
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Haraguchi T, Hamamoto Y, Kuwata H, Yamazaki Y, Nakatani S, Hyo T, Yamada Y, Yabe D, Seino Y. Effect of Roxadustat on Thyroid Function in Patients With Renal Anemia. J Clin Endocrinol Metab 2023; 109:e69-e75. [PMID: 37597171 DOI: 10.1210/clinem/dgad483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/06/2023] [Accepted: 08/17/2023] [Indexed: 08/21/2023]
Abstract
CONTEXT Roxadustat, a hypoxia-inducible factor prolyl hydroxylase (HIF-PH) inhibitor, a recently developed class of drugs for treatment of anemia in chronic kidney disease (CKD), is reported to have a structure unlike that of other HIF-PH inhibitors but similar to that of triiodothyronine and bind to the thyroid hormone receptor in vitro. However, reports on the effects of roxadustat on thyroid function are limited and not detailed, and it remains unknown whether other HIF-PH inhibitors also affect thyroid function. OBJECTIVE To compare the effect of roxadustat with daprodustat, another HIF-PH inhibitor, on thyroid function in patients with renal anemia in CKD. METHODS This retrospective observational study included a total of 26 patients with anemia in CKD who were treated with roxadustat or daprodustat; thyroid-stimulating hormone (TSH) and free thyroxine (FT4) were measured before and after treatment with the drugs. RESULTS After initiation of roxadustat, TSH showed a significant decrease (2.4732 [1.7858-4.9016] μIU/mL before treatment and 0.659 [0.112-2.005] μIU/mL after treatment, P < .05); FT4 showed a significant decrease (0.93 [0.84-1.05] ng/dL before treatment and 0.70 [0.53-0.85] ng/dL after treatment, P < .01). After daprodustat initiation, neither TSH nor FT4 showed a significant change (TSH: 3.044 [1.853-4.171] μIU/mL before treatment and 2.893 [1.866-4.894] μIU/mL after treatment, P = .635; FT4 was 0.93 [0.81-1.00] ng/dL before treatment and 0.97 [0.87-1.05] ng/dL after treatment, P = .328). CONCLUSION Roxadustat decreases TSH and FT4 levels while daprodustat does not.
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Affiliation(s)
- Takuya Haraguchi
- Center for Diabetes, Endocrinology and Metabolism, Kansai Electric Power Hospital, Osaka 553-0003, Japan
- Yutaka Seino Distinguished Center for Diabetes Research, Kansai Electric Power Medical Research Institute, Kobe 650-0047, Japan
- Department of Diabetes, Endocrinology and Metabolism/Department of Rheumatology and Clinical Immunology, Gifu University Graduate School of Medicine, Gifu 501-1194, Japan
| | - Yoshiyuki Hamamoto
- Center for Diabetes, Endocrinology and Metabolism, Kansai Electric Power Hospital, Osaka 553-0003, Japan
- Yutaka Seino Distinguished Center for Diabetes Research, Kansai Electric Power Medical Research Institute, Kobe 650-0047, Japan
| | - Hitoshi Kuwata
- Center for Diabetes, Endocrinology and Metabolism, Kansai Electric Power Hospital, Osaka 553-0003, Japan
- Yutaka Seino Distinguished Center for Diabetes Research, Kansai Electric Power Medical Research Institute, Kobe 650-0047, Japan
| | - Yuji Yamazaki
- Center for Diabetes, Endocrinology and Metabolism, Kansai Electric Power Hospital, Osaka 553-0003, Japan
- Yutaka Seino Distinguished Center for Diabetes Research, Kansai Electric Power Medical Research Institute, Kobe 650-0047, Japan
| | - Susumu Nakatani
- Center for Diabetes, Endocrinology and Metabolism, Kansai Electric Power Hospital, Osaka 553-0003, Japan
- Yutaka Seino Distinguished Center for Diabetes Research, Kansai Electric Power Medical Research Institute, Kobe 650-0047, Japan
| | - Takanori Hyo
- Center for Diabetes, Endocrinology and Metabolism, Kansai Electric Power Hospital, Osaka 553-0003, Japan
- Yutaka Seino Distinguished Center for Diabetes Research, Kansai Electric Power Medical Research Institute, Kobe 650-0047, Japan
| | - Yuichiro Yamada
- Center for Diabetes, Endocrinology and Metabolism, Kansai Electric Power Hospital, Osaka 553-0003, Japan
- Yutaka Seino Distinguished Center for Diabetes Research, Kansai Electric Power Medical Research Institute, Kobe 650-0047, Japan
| | - Daisuke Yabe
- Yutaka Seino Distinguished Center for Diabetes Research, Kansai Electric Power Medical Research Institute, Kobe 650-0047, Japan
- Department of Diabetes, Endocrinology and Metabolism/Department of Rheumatology and Clinical Immunology, Gifu University Graduate School of Medicine, Gifu 501-1194, Japan
| | - Yutaka Seino
- Center for Diabetes, Endocrinology and Metabolism, Kansai Electric Power Hospital, Osaka 553-0003, Japan
- Yutaka Seino Distinguished Center for Diabetes Research, Kansai Electric Power Medical Research Institute, Kobe 650-0047, Japan
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Sarnak MJ, Agarwal R, Boudville N, Chowdhury PCP, Eckardt KU, Gonzalez CR, Kooienga LA, Koury MJ, Ntoso KA, Luo W, Parfrey PS, Vargo DL, Winkelmayer WC, Zhang Z, Chertow GM. Vadadustat for treatment of anemia in patients with dialysis-dependent chronic kidney disease receiving peritoneal dialysis. Nephrol Dial Transplant 2023; 38:2358-2367. [PMID: 37096396 PMCID: PMC10539221 DOI: 10.1093/ndt/gfad074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Indexed: 04/26/2023] Open
Abstract
BACKGROUND Hypoxia-inducible factor prolyl hydroxylase inhibitors such as vadadustat may provide an oral alternative to injectable erythropoiesis-stimulating agents for treating anemia in patients receiving peritoneal dialysis. In two randomized (1:1), global, phase 3, open-label, sponsor-blind, parallel-group, active-controlled noninferiority trials in patients with dialysis-dependent chronic kidney disease (INNO2VATE), vadadustat was noninferior to darbepoetin alfa with respect to cardiovascular safety and hematological efficacy. Vadadustat's effects in patients receiving only peritoneal dialysis is unclear. METHODS We conducted a post hoc analysis of patients in the INNO2VATE trials receiving peritoneal dialysis at baseline. The prespecified primary safety endpoint was time to first major cardiovascular event (MACE; defined as all-cause mortality or nonfatal myocardial infarction or stroke). The primary efficacy endpoint was mean change in hemoglobin from baseline to the primary evaluation period (Weeks 24-36). RESULTS Of the 3923 patients randomized in the two INNO2VATE trials, 309 were receiving peritoneal dialysis (vadadustat, n = 152; darbepoetin alfa, n = 157) at baseline. Time to first MACE was similar in the vadadustat and darbepoetin alfa groups [hazard ratio 1.10; 95% confidence interval (CI) 0.62, 1.93]. In patients receiving peritoneal dialysis, the difference in mean change in hemoglobin concentrations was -0.10 g/dL (95% CI -0.33, 0.12) in the primary evaluation period. The incidence of treatment-emergent adverse events (TEAEs) was 88.2% versus 95.5%, and serious TEAEs was 52.6% versus 73.2% in the vadadustat and darbepoetin alfa groups, respectively. CONCLUSIONS In the subgroup of patients receiving peritoneal dialysis in the phase 3 INNO2VATE trials, safety and efficacy of vadadustat were similar to darbepoetin alfa.
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Affiliation(s)
- Mark J Sarnak
- Division of Nephrology, Tufts Medical Center, Tufts University School of Medicine, Boston, MA, USA
| | - Rajiv Agarwal
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Neil Boudville
- Medical School, University of Western Australia, Perth, Australia
| | | | - Kai-Uwe Eckardt
- Department of Nephrology and Medical Intensive Care, Charité – Universitätsmedizin Berlin, Berlin, Germany
| | | | | | - Mark J Koury
- Division of Hematology/Oncology, Vanderbilt University Medical Center, Nashville, TN, USA
| | | | - Wenli Luo
- Akebia Therapeutics, Inc., Cambridge, MA, USA
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Ito H, Araki R, Mori T, Inoue H, Matsumoto S, Antoku S, Yamasaki T, Togane M. Relationship Between the Effect of Roxadustat and Comorbid Diabetes in Non-dialyzed Chronic Kidney Disease Patients: A Retrospective Observational Study. Cureus 2023; 15:e39543. [PMID: 37378104 PMCID: PMC10290911 DOI: 10.7759/cureus.39543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/26/2023] [Indexed: 06/29/2023] Open
Abstract
Introduction The dose of roxadustat, a hypoxia-inducible factor prolyl hydroxylase (HIF-PH) inhibitor, required to treat anemia, the hemoglobin level and the rate of hemoglobin target achievement were retrospectively investigated in non-dialyzed chronic kidney disease (CKD) patients with and without type 2 diabetes. Methods As the full analysis set, 25 subjects (10 with diabetes and 15 without diabetes) were observed over six months among 44 non-dialyzed CKD patients who received roxadustat. The target hemoglobin level was set at 110-130 g/L. Results The comorbidities of diabetes and body weight at baseline were significantly associated with each dose of roxadustat at six months and the change in each dose of roxadustat from the initiation of roxadustat treatment. There was no significant difference in the amount of increase in the hemoglobin level (14±11 g/L vs. 15±8 g/L) and the rate of hemoglobin target achievement (70% vs. 67%) between patients with and without diabetes. Each dose of roxadustat gradually decreased in patients without diabetes, whereas it increased in those with diabetes. Each dose of roxadustat was significantly higher in patients with diabetes than in those without diabetes at 3 (60±21 mg vs. 42±14 mg) and 6 (61±22 mg vs. 41±14 mg) months after the initiation of roxadustat treatment. Conclusion Roxadustat is useful for the treatment of anemia in both CKD patients with and without diabetes. However, the dose required to achieve the target hemoglobin level may be higher in patients with diabetes than in those without diabetes.
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Affiliation(s)
- Hiroyuki Ito
- Diabetes and Endocrinology, Edogawa Hospital, Tokyo, JPN
| | - Rie Araki
- Nephrology, Edogawa Hospital, Tokyo, JPN
| | - Toshiko Mori
- Diabetes and Endocrinology, Edogawa Hospital, Tokyo, JPN
| | - Hideyuki Inoue
- Diabetes and Endocrinology, Edogawa Hospital, Tokyo, JPN
| | | | | | | | - Michiko Togane
- Diabetes and Endocrinology, Edogawa Hospital, Tokyo, JPN
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Yang J, Xing J, Zhu X, Xie X, Wang L, Zhang X. Effects of hypoxia-inducible factor-prolyl hydroxylase inhibitors vs. erythropoiesis-stimulating agents on iron metabolism in non-dialysis-dependent anemic patients with CKD: A network meta-analysis. Front Endocrinol (Lausanne) 2023; 14:1131516. [PMID: 37008953 PMCID: PMC10060950 DOI: 10.3389/fendo.2023.1131516] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 03/01/2023] [Indexed: 03/18/2023] Open
Abstract
OBJECTIVE To compare the effects of five hypoxia-inducible factor-prolyl hydroxylase domain inhibitors (HIF-PHIs), two erythropoiesis-stimulating agents (ESAs), and placebo on iron metabolism in renal anemia patients with non-dialysis-dependent chronic kidney disease (NDD-CKD). METHOD Five electronic databases were searched for studies. Randomized controlled clinical trials comparing HIF-PHIs, ESAs, and placebo in NDD-CKD patients were selected. The statistical program used for network meta-analysis was Stata/SE 15.1. The main outcomes were the change in hepcidin and hemoglobin (Hb) levels. The merits of intervention measures were predicted by the surface under the cumulative ranking curve method. RESULTS Of 1,589 original titles screened, data were extracted from 15 trials (3,228 participants). All HIF-PHIs and ESAs showed greater Hb level-raising ability than placebo. Among them, desidustat demonstrated the highest probability of increasing Hb (95.6%). Hepcidin [mean deviation (MD) = -43.42, 95%CI: -47.08 to -39.76], ferritin (MD= -48.56, 95%CI: -55.21 to -41.96), and transferrin saturation (MD = -4.73, 95%CI: -5.52 to -3.94) were decreased, while transferrin (MD = 0.09, 95%CI: 0.01 to 0.18) and total iron-binding capacity (MD = 6.34, 95%CI: 5.71 to 6.96) was increased in HIF-PHIs versus those in ESAs. In addition, this study observed heterogeneity in the ability of HIF-PHIs to decrease hepcidin. Compared with darbepoetin, only daprodustat (MD = -49.09, 95% CI: -98.13 to -0.05) could significantly reduce hepcidin levels. Meanwhile, daprodustat also showed the highest hepcidin-lowering efficacy (84.0%), while placebo was the lowest (8.2%). CONCLUSION For NDD-CKD patients, HIF-PHIs could ameliorate functional iron deficiency by promoting iron transport and utilization, which may be achieved by decreasing hepcidin levels. Interestingly, HIF-PHIs had heterogeneous effects on iron metabolism. SYSTEMATIC REVIEW REGISTRATION https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=242777, Identifier CRD42021242777.
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Affiliation(s)
- Junlan Yang
- Department of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Jie Xing
- Department of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Xiaodong Zhu
- Department of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Xiaotong Xie
- Department of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
| | - Lina Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Southeast University/Hospital, Nanjing, Jiangsu, China
| | - Xiaoliang Zhang
- Department of Nephrology, Zhong Da Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, China
- *Correspondence: Xiaoliang Zhang,
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Mata Lorenzo M, Ali M, Mealing S, Moss J. Development of a health economic model to evaluate the cost-effectiveness of roxadustat in treating anemia associated with non-dialysis-dependent chronic kidney disease. J Med Econ 2023; 26:1250-1260. [PMID: 37752891 DOI: 10.1080/13696998.2023.2263263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 09/22/2023] [Indexed: 09/28/2023]
Abstract
BACKGROUND Treatment for anemia of chronic kidney disease (CKD) largely consists of erythropoiesis-stimulating agents (ESAs) with iron supplementation. Although ESAs are well-established and efficacious, their use has been associated with considerable economic and humanistic burdens. Roxadustat, an oral medication, is a hypoxia-inducible factor prolyl hydroxylase inhibitor that targets multiple causes of CKD and has a similar efficacy and safety profile to ESAs. The cost-effectiveness of this treatment, however, has yet to be investigated. OBJECTIVE The study objective was to develop a health economic model to evaluate the cost-effectiveness of roxadustat compared with ESAs for treating anemia of non-dialysis-dependent (NDD) CKD. METHODS A cohort-based model was developed for a hypothetical cohort of 1,000 patients with anemia of NDD CKD, incorporating eight health states, representing the hemoglobin level of each patient. The model was informed by individual patient-level data from the roxadustat global phase 3 clinical trial program. Total and incremental costs as well as quality-adjusted life-years (QALYs) associated with roxadustat versus ESAs were estimated from the perspective of the UK National Health Service. Sensitivity analyses were performed to assess the robustness of the model. Analyses exploring alternative scenarios were also conducted. RESULTS On a per-person basis, over 1,000 simulations, roxadustat was found to be on average less costly (-£32) and more effective (+0.01 QALYs) than ESAs, with a dominant incremental cost-effectiveness ratio. The probability of cost-effectiveness at a £20,000 per QALY willingness-to-pay threshold from the UK perspective was 67%. CONCLUSION The model developed may be a useful instrument that, alongside expert clinical opinion, can inform clinical and policy decision-making regarding treatment of anemia of NDD CKD. The model highlights the cost-effectiveness of roxadustat, as well as its potential to have a meaningful impact in reducing the burden of anemia of NDD CKD.
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Affiliation(s)
| | | | - Stuart Mealing
- York Health Economics Consortium, University of York, York, UK
| | - Joe Moss
- York Health Economics Consortium, University of York, York, UK
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Yang Z, Ma T, Xu X, Fu G, Zhao J, Xu Y, Yang B, Song D, Zhu S, Lv J, Dong J. Randomized Study on the Efficacy of Standard Versus Low Roxadustat Dose for Anemia in Patients on Peritoneal Dialysis. Kidney Int Rep 2022; 7:455-64. [PMID: 35257058 DOI: 10.1016/j.ekir.2021.12.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 12/19/2021] [Accepted: 12/20/2021] [Indexed: 12/17/2022] Open
Abstract
Introduction We aimed to investigate whether a lower starting dose of roxadustat (∼1–1.4 mg/kg) converted from erythropoiesis-stimulating agent (ESA) could achieve a comparable hemoglobin (Hb) target (≥100 and ≤120 g/l) compared with the standard weight-based dose (∼1.5–2 mg/kg) at week 12 through a peritoneal dialysis (PD) cohort. Methods A 12-week multicenter randomized, parallel-controlled, open-label, pilot clinical trial enrolled adult patients who had undergone PD treatment for >3 months with renal anemia. Participants were randomized in blocks of 4 in a 1:1 ratio to either the standard-dose group (n = 50) or the low-dose group (n = 50). The primary end point was the proportion of patients achieving the Hb target at week 12. Results Baseline demographic and clinical characteristics of the 2 groups were comparable. There was no difference in the proportion of patients who met the Hb target at week 12, that is, 26 patients (52%) versus 31 patients (62%) in the low-dose group and standard-dose group, respectively (P = 0.31). The Hb levels significantly increased in both groups from baseline to week 12; the median change of Hb levels was 5.0 (0.0–14.3) g/l (P < 0.001) for the standard-dose group and 6.0 (−3.3 to 16.3) g/l for the low-dose group (P = 0.005) (P = 0.581 for between groups). Conclusion This study suggests that a lower starting dose of roxadustat effectively achieves the Hb target as standard-dose does among patients on PD. (ClinicalTrials.gov number, NCT04454879).
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Akizawa T, Yamada T, Nobori K, Matsuda Y, Hayashi Y, Hayasaki T, Yamamoto H. Molidustat for Japanese Patients With Renal Anemia Receiving Dialysis. Kidney Int Rep 2021; 6:2604-2616. [PMID: 34622100 PMCID: PMC8484124 DOI: 10.1016/j.ekir.2021.07.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 06/16/2021] [Accepted: 07/12/2021] [Indexed: 12/17/2022] Open
Abstract
INTRODUCTION Molidustat, a hypoxia-inducible factor prolyl hydroxylase inhibitor for renal anemia treatment, was evaluated in 5 phase 3 studies (MIYABI program). We report the results of the MIYABI hemodialysis-maintenance study. METHODS This 52-week, randomized, double-blinded, double-dummy study compared the efficacy and safety of molidustat and darbepoetin in Japanese patients receiving hemodialysis and erythropoiesis-stimulating agents. Molidustat (starting dose: 75 mg/day) and darbepoetin were titrated to maintain hemoglobin (Hb) levels in the target range (≥10.0 and <12.0 g/dl). Primary outcomes were mean Hb level during the evaluation period (weeks 33-36) and its change from baseline. Safety outcomes included adverse events. RESULTS Overall, 229 patients were randomized (molidustat, n = 153; darbepoetin, n = 76). Baseline characteristics were well balanced. Mean baseline Hb level was 10.8 g/dl. Mean (95% confidence interval [CI]) for mean Hb levels during the evaluation period were within the target range in both groups (molidustat: 10.63 [10.42-10.84] g/dl; darbepoetin: 10.77 [10.59-10.95] g/dl). Least-squares mean (95% CI) change in mean Hb level during the evaluation period from baseline was -0.14 (-0.37 to 0.09) g/dl for molidustat and -0.07 (-0.30 to 0.16) g/dl for darbepoetin; molidustat was noninferior to darbepoetin (least-squares mean difference [95% CI] [molidustat-darbepoetin]: -0.13 [-0.46 to 0.19] g/dl), based on a noninferiority margin of 1.0 g/dl. In line with published literature, and as expected in this patient population, most participants had ≥1 treatment-emergent adverse event. CONCLUSION Molidustat maintained Hb levels throughout the trial in patients receiving dialysis and previously treated with erythropoiesis-stimulating agents, and was noninferior to darbepoetin.
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Affiliation(s)
- Tadao Akizawa
- Division of Nephrology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
| | - Takashi Yamada
- Research and Development Japan, Bayer Yakuhin, Ltd., Osaka, Japan
| | - Kiyoshi Nobori
- Research and Development Japan, Bayer Yakuhin, Ltd., Osaka, Japan
| | - Yoshimi Matsuda
- Research and Development Japan, Bayer Yakuhin, Ltd., Osaka, Japan
| | - Yasuhiro Hayashi
- Medical Affairs and Pharmacovigilance, Bayer Yakuhin, Ltd., Osaka, Japan
| | - Takanori Hayasaki
- Medical Affairs and Pharmacovigilance, Bayer Yakuhin, Ltd., Osaka, Japan
| | - Hiroyasu Yamamoto
- Division of Nephrology and Hypertension, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
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Akizawa T, Nangaku M, Yamaguchi T, Koretomo R, Maeda K, Yamada O, Hirakata H. Two long-term phase 3 studies of enarodustat (JTZ-951) in Japanese anemic patients with chronic kidney disease not on dialysis or on maintenance hemodialysis: SYMPHONY ND-Long and HD-Long studies. Ther Apher Dial 2021; 26:345-356. [PMID: 34390314 PMCID: PMC9290460 DOI: 10.1111/1744-9987.13724] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/30/2021] [Accepted: 08/11/2021] [Indexed: 12/23/2022]
Abstract
Enarodustat (JTZ‐951) is an oral hypoxia‐inducible factor prolyl hydroxylase inhibitor developed for treating anemia in chronic kidney disease. Two open‐label, uncontrolled phase 3 studies evaluated the 52‐week safety and efficacy of enarodustat in Japanese anemic patients with chronic kidney disease not on dialysis (n = 132) [SYMPHONY ND‐Long study] or on maintenance hemodialysis (n = 136) [SYMPHONY HD‐Long study]. The most frequent adverse events were viral upper respiratory tract infection (25.8%) followed by chronic kidney disease (8.3%) in the SYMPHONY ND‐Long study, and viral upper respiratory tract infection (49.3%) followed by contusion (16.9%) and diarrhea (16.9%) in the SYMPHONY HD‐Long study. The incidence of any adverse events did not increase over time. Mean hemoglobin levels and 95% confidence intervals were maintained within the target range (10.0–12.0 g/dl) over 52 weeks in both studies. The long‐term safety and efficacy of enarodustat were confirmed in Japanese anemic patients with chronic kidney disease.
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Affiliation(s)
- Tadao Akizawa
- Division of Nephrology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
| | - Masaomi Nangaku
- Division of Nephrology and Endocrinology, The University of Tokyo, Tokyo, Japan
| | - Takuhiro Yamaguchi
- Division of Biostatistics, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | | | - Kazuo Maeda
- Pharmaceutical Division, Japan Tobacco Inc., Tokyo, Japan
| | - Osamu Yamada
- Pharmaceutical Division, Japan Tobacco Inc., Tokyo, Japan
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Nangaku M, Kondo K, Takabe S, Ueta K, Tandai T, Kawaguchi Y, Komatsu Y. A phase 3, open-label, single-arm study of vadadustat for anemia in chronic kidney disease for Japanese patients on hemodialysis not receiving erythropoiesis-stimulating agents. Ther Apher Dial 2021; 26:45-54. [PMID: 34115437 PMCID: PMC9292398 DOI: 10.1111/1744-9987.13699] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/28/2021] [Accepted: 06/10/2021] [Indexed: 12/15/2022]
Abstract
Vadadustat is an oral hypoxia‐inducible factor prolyl hydroxylase inhibitor approved in Japan for the treatment of anemia in patients with chronic kidney disease (CKD). This phase 3, open‐label, single‐arm study evaluated the efficacy and safety of vadadustat in 24 Japanese patients with CKD‐associated anemia on hemodialysis who were not receiving erythropoiesis‐stimulating agents (ESAs). Patients received vadadustat for 24 weeks; the starting dose was 300 mg/day and doses were adjusted to achieve the target hemoglobin (Hb) range of 10.0–12.0 g/dL. The least squares mean of average Hb at Weeks 20 and 24 (95% confidence interval) was 10.75 g/dL (10.35, 11.14). The most common adverse event was shunt stenosis (25.0%). Adverse drug reactions (diarrhea and vomiting) occurred in two patients (8.3%) and the severity was mild. Vadadustat increased and maintained Hb levels within the target range and was generally well‐tolerated in Japanese patients with anemia on hemodialysis not receiving ESAs.
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Affiliation(s)
- Masaomi Nangaku
- Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | | | | | | | | | | | - Yasuhiro Komatsu
- Graduate School of Medicine, Gunma University, Maebashi, Gunma, Japan
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Cai KD, Zhu BX, Lin HX, Luo Q. Successful application of roxadustat in the treatment of patients with anti-erythropoietin antibody-mediated renal anaemia: a case report and literature review. J Int Med Res 2021; 49:3000605211005984. [PMID: 33853432 PMCID: PMC8054214 DOI: 10.1177/03000605211005984] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Recombinant human erythropoietin (rHuEPO) has been used worldwide for treatment of renal
anaemia due to its good curative effect. However, rHuEPO treatment is associated with a
rare but severe complication because of the development of anti-EPO antibodies, which are
difficult to treat. Currently, the main treatments for the anti-EPO antibodies include
withdrawing the rHuEPO, providing blood transfusions and administrating steroid-based
immunosuppressive agents. Although the above methods can alleviate anti-EPO-related
anaemia, there are obvious side-effects such as decreased immunity and an increased risk
of infection. Therefore, accurately identifying anti-EPO-related anaemia and effectively
treating this complication is worth exploring. This current case report describes a
49-year-old female patient with chronic kidney disease that received rHuEPO subcutaneously
and then developed anti-EPO antibody-mediated renal anaemia with her haemoglobin levels
dropping to 37 g/l. The patient refused to be treated with steroids, so she received 120
mg roxadustat administered orally every 72 h and her Hb level increased to 110 g/l over a
few months. This current case report demonstrates that roxadustat can be used to
successfully treat anti-EPO antibody-mediated renal anaemia without the use of
steroid-based immunosuppressants.
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Affiliation(s)
- Ke-Dan Cai
- Department of Nephrology, HwaMei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang Province, China.,Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, Zhejiang Province, China
| | - Bei-Xia Zhu
- Department of Nephrology, HwaMei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang Province, China.,Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, Zhejiang Province, China
| | - Hai-Xue Lin
- Department of Nephrology, HwaMei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang Province, China.,Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, Zhejiang Province, China
| | - Qun Luo
- Department of Nephrology, HwaMei Hospital, University of Chinese Academy of Sciences, Ningbo, Zhejiang Province, China.,Ningbo Institute of Life and Health Industry, University of Chinese Academy of Sciences, Ningbo, Zhejiang Province, China
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12
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Akizawa T, Nangaku M, Yamaguchi T, Koretomo R, Maeda K, Miyazawa Y, Hirakata H. A Phase 3 Study of Enarodustat in Anemic Patients with CKD not Requiring Dialysis: The SYMPHONY ND Study. Kidney Int Rep 2021; 6:1840-1849. [PMID: 34307978 PMCID: PMC8258589 DOI: 10.1016/j.ekir.2021.04.037] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 04/18/2021] [Accepted: 04/28/2021] [Indexed: 12/14/2022] Open
Abstract
Introduction Enarodustat (JTZ-951) is an oral hypoxia-inducible factor prolyl hydroxylase inhibitor that might be a new therapeutic approach for managing anemia in patients with chronic kidney disease (CKD). We evaluated the efficacy (noninferiority to darbepoetin alfa [DA]) and safety of enarodustat in Japanese anemic patients with CKD not requiring dialysis. Methods Erythropoiesis-stimulating agent (ESA)-naïve patients and ESA-treated patients were randomized at a 1:1 ratio to receive enarodustat orally once daily or DA subcutaneously every 2 or 4 weeks for 24 weeks, respectively. Subjects in each arm had dose adjustments every 4 weeks to maintain their hemoglobin (Hb) level within the target range (10 to 12 g/dl). The primary endpoint was the difference in the mean Hb level between arms during the evaluation period defined as weeks 20 to 24 (noninferiority margin: -0.75 g/dl). Results The mean Hb level during the evaluation period in the enarodustat arm was 10.96 g/dl (95% confidence interval [CI]: 10.84 to 11.07 g/dl) with a difference of 0.09 g/dl (95% CI: -0.07 to 0.26 g/dl) between arms, establishing its noninferiority to DA. Nearly 90% of subjects in both arms maintained a mean Hb level within the target range. Compared with DA, enarodustat was associated with decreased hepcidin and ferritin, and increased total iron-binding capacity. There were no apparent differences in the incidence of adverse events between arms (65.4% [enarodustat], 82.6% [DA]). Conclusions The efficacy of enarodustat was comparable to DA in anemic patients with CKD not requiring dialysis. No new safety concerns were identified compared with DA.
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Affiliation(s)
- Tadao Akizawa
- Division of Nephrology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
| | - Masaomi Nangaku
- Division of Nephrology and Endocrinology, The University of Tokyo, Tokyo, Japan
| | - Takuhiro Yamaguchi
- Division of Biostatistics, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | | | - Kazuo Maeda
- Pharmaceutical Division, Japan Tobacco Inc., Tokyo, Japan
| | - Yuya Miyazawa
- Pharmaceutical Division, Japan Tobacco Inc., Tokyo, Japan
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13
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Nangaku M, Kondo K, Ueta K, Kokado Y, Kaneko G, Matsuda H, Kawaguchi Y, Komatsu Y. Efficacy and safety of vadadustat compared with darbepoetin alfa in Japanese anemic patients on hemodialysis: a Phase 3, multicenter, randomized, double-blind study. Nephrol Dial Transplant 2021; 36:1731-1741. [PMID: 33650630 PMCID: PMC8396402 DOI: 10.1093/ndt/gfab055] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Indexed: 12/17/2022] Open
Abstract
Background Vadadustat is an oral hypoxia-inducible factor prolyl hydroxylase inhibitor that stimulates erythropoiesis. Methods The efficacy and safety of vadadustat, compared with darbepoetin alfa, was determined in a Phase 3 double-blind study in Japanese anemic patients on hemodialysis. Patients receiving erythropoiesis-stimulating agents (ESAs) were randomized and switched to either vadadustat or darbepoetin alfa for 52 weeks. Doses were adjusted to maintain a hemoglobin (Hb) level of 10.0–12.0 g/dL. The primary endpoint was average Hb level at Weeks 20 and 24. Results Of the 323 randomized patients, 120 and 135 completed the 52-week treatment period in the vadadustat and darbepoetin alfa groups, respectively. The average Hb levels at Weeks 20 and 24 [least square mean (LSM) and 95% confidence interval (CI)] were 10.61 (10.45–10.76) and 10.65 (10.50–10.80) g/dL in the vadadustat and darbepoetin alfa groups, respectively, demonstrating vadadustat’s noninferiority to darbepoetin alfa (difference: −0.05 g/dL; 95% CI −0.26 to 0.17). In both groups, the mean Hb levels were maintained within the target range for 52 weeks. Furthermore, irrespective of patient backgrounds, the LSMs of Hb at Week 52 were within the target range. The most common adverse events were nasopharyngitis, diarrhea and shunt stenosis, which occurred at similar frequencies in both groups. No new safety concerns were identified. Conclusions Vadadustat was as well-tolerated and effective as darbepoetin alfa in maintaining Hb levels within the target range. The findings suggest that vadadustat can be an alternative to ESA in the management of anemia in Japanese hemodialysis patients receiving ESA (ClinicalTrials.gov, NCT03439137).
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Affiliation(s)
- Masaomi Nangaku
- Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | | | | | | | - Genki Kaneko
- Mitsubishi Tanabe Pharma Corporation, Tokyo, Japan
| | | | | | - Yasuhiro Komatsu
- Graduate School of Medicine, Gunma University, Maebashi, Gunma, Japan
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Nangaku M, Kondo K, Takabe S, Ueta K, Kaneko G, Otsuka M, Kawaguchi Y, Komatsu Y. Vadadustat for anemia in chronic kidney disease patients on peritoneal dialysis: A phase 3 open-label study in Japan. Ther Apher Dial 2020; 25:642-653. [PMID: 33283981 PMCID: PMC8451920 DOI: 10.1111/1744-9987.13611] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 11/27/2020] [Accepted: 12/01/2020] [Indexed: 12/17/2022]
Abstract
Vadadustat is an oral hypoxia-inducible factor prolyl hydroxylase inhibitor for the treatment of anemia in patients with chronic kidney disease (CKD). This phase 3, open-label, 24-week single-arm study evaluated the efficacy and safety of vadadustat in 42 Japanese CKD patients with anemia undergoing peritoneal dialysis. Patients received oral vadadustat for 24 weeks, initiated at 300 mg/day and doses were adjusted to achieve the target hemoglobin (Hb) range of 11.0-13.0 g/dL. Least squares mean of average Hb at weeks 20 and 24 was 11.35 g/dL, which was within the target range. The most frequent adverse events were catheter site infections (23.8%), which were not related to vadadustat treatment. Vadadustat was generally well tolerated and effective in controlling Hb levels within the target range, indicating the usefulness of vadadustat for treating anemia in Japanese CKD patients undergoing peritoneal dialysis.
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Affiliation(s)
- Masaomi Nangaku
- Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Kazuoki Kondo
- Integrated Value Development Division, Medical Intelligence Department, Mitsubishi Tanabe Pharma Corporation, Tokyo, Japan
| | - Souichirou Takabe
- Integrated Value Development Division, Medical Intelligence Department, Mitsubishi Tanabe Pharma Corporation, Tokyo, Japan
| | - Kiichiro Ueta
- Integrated Value Development Division, Medical Intelligence Department, Mitsubishi Tanabe Pharma Corporation, Tokyo, Japan
| | - Genki Kaneko
- Integrated Value Development Division, Medical Intelligence Department, Mitsubishi Tanabe Pharma Corporation, Tokyo, Japan
| | - Makiko Otsuka
- Integrated Value Development Division, Medical Intelligence Department, Mitsubishi Tanabe Pharma Corporation, Tokyo, Japan
| | - Yutaka Kawaguchi
- Integrated Value Development Division, Medical Intelligence Department, Mitsubishi Tanabe Pharma Corporation, Tokyo, Japan
| | - Yasuhiro Komatsu
- Graduate School of Medicine, Gunma University, Maebashi, Gunma, Japan
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Akizawa T, Nangaku M, Yonekawa T, Okuda N, Kawamatsu S, Onoue T, Endo Y, Hara K, Cobitz AR. Efficacy and Safety of Daprodustat Compared with Darbepoetin Alfa in Japanese Hemodialysis Patients with Anemia: A Randomized, Double-Blind, Phase 3 Trial. Clin J Am Soc Nephrol 2020; 15:1155-1165. [PMID: 32723804 PMCID: PMC7409739 DOI: 10.2215/cjn.16011219] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 06/02/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND AND OBJECTIVES Daprodustat 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, & MEASUREMENTS This 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. RESULTS Of 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. CONCLUSIONS Oral 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 NUMBER 201754, Clinicaltrials.gov, NCT02969655.
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Affiliation(s)
- Tadao Akizawa
- Division of Nephrology, Showa University School of Medicine, Tokyo, Japan
| | - Masaomi Nangaku
- Division of Nephrology and Endocrinology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Taeko Yonekawa
- Medicines Development, Japan Development, GlaxoSmithKline, Tokyo, Japan
| | - Nobuhiko Okuda
- Medicines Development, Japan Development, GlaxoSmithKline, Tokyo, Japan
| | - Shinya Kawamatsu
- Clinical Operations, Japan Development, GlaxoSmithKline, Tokyo, Japan
| | - Tomohiro Onoue
- Biomedical Data Sciences, Japan Development, GlaxoSmithKline, Tokyo, Japan
| | - Yukihiro Endo
- Medicines Development, Japan Development, GlaxoSmithKline, Tokyo, Japan
| | - Katsutoshi Hara
- Clinical Pharmacology, Japan Development, GlaxoSmithKline, Tokyo, Japan
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Gupta N, Wish JB. Hypoxia-Inducible Factor Prolyl Hydroxylase Inhibitors: A Potential New Treatment for Anemia in Patients With CKD. Am J Kidney Dis 2017; 69:815-826. [PMID: 28242135 DOI: 10.1053/j.ajkd.2016.12.011] [Citation(s) in RCA: 272] [Impact Index Per Article: 38.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2016] [Accepted: 12/11/2016] [Indexed: 12/15/2022]
Abstract
Erythropoiesis-stimulating agents (ESAs) increase hemoglobin levels, reduce transfusion requirements, and have been the standard of treatment for anemia in patients with chronic kidney disease (CKD) since 1989. Many safety concerns have emerged regarding the use of ESAs, including an increased occurrence of cardiovascular events and vascular access thrombosis. Hypoxia-inducible factor (HIF) prolyl hydroxylase (PH) enzyme inhibitors are a new class of agents for the treatment of anemia in CKD. These agents work by stabilizing the HIF complex and stimulating endogenous erythropoietin production even in patients with end-stage kidney disease. HIF-PH inhibitors improve iron mobilization to the bone marrow. They are administered orally, which may be a more favorable route for patients not undergoing hemodialysis. By inducing considerably lower but more consistent blood erythropoietin levels than ESAs, HIF-PH inhibitors may be associated with fewer adverse cardiovascular effects at comparable hemoglobin levels, although this has yet to be proved in long-term clinical trials. One significant concern regarding the long-term use of these agents is their possible effect on tumor growth. There are 4 such agents undergoing phase 2 and 3 clinical trials in the United States; this report provides a focused review of HIF-PH inhibitors and their potential clinical utility in the management of anemia of CKD.
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Affiliation(s)
| | - Jay B Wish
- Indiana University Health, Indianapolis, IN.
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