Dataset Information

Continuous Erythropoietin Receptor Activator for the Treatment of Chronic Dialysis Patients with Renal Anemia in Daily Clinical Practice in Poland: A Non-Interventional, Multi-Center, Pragmatic NAVIGO Trial.

ABSTRACT:

Background

Renal anemia is one of the most common complications of chronic kidney disease (CKD). This real-life study assessed the effectiveness of methoxy polyethylene glycol-epoetin beta, a continuous erythropoietin receptor activator (C.E.R.A.), for the treatment of CKD-associated anemia in patients receiving dialysis in daily clinical practice.

Methods

247 patients receiving chronic intermitted dialysis in 26 centers in Poland with CKD-associated symptomatic anemia, ESA-naïve, and with balanced iron stores in the investigators' opinion were enrolled this real-life study. Over 12 months, the following data were collected: hemoglobin (Hb) concentration and dosage, route of administration and dosing scheme of C.E.R.A., dialysis adequacy, adverse events, iron therapy, and blood transfusions.

Results

During the treatment, a Hb concentration of ≥10 g/dL was noted in 90.9% of hemodialysis patients (n = 224) and 96.0% of peritoneal dialysis patients (n = 23). At baseline, 7.8% of patients had a Hb concentration of 10-12 g/dL, which increased to 63.3% after 12 months. The median time when Hb concentration was maintained within 10-12 g/dL was 115.2 (interquartile range 49.1-188.7) days. A Hb concentration ≥12 g/dL was observed after 7 months of treatment in a maximum of 24.1% of hemodialysis patients, and 31.8% of peritoneal dialysis patients. The median time elapsed between the start of treatment and the first Hb concentration >10 g/dL was 42.0 (21.0-78.2) days. C.E.R.A. was well tolerated.

Conclusions

C.E.R.A. corrects CKD-associated anemia in dialysis patients, and maintains Hb levels within the recommended target range. The study also confirmed the acceptable safety profile of the drug.

SUBMITTER: Nowicki M

PROVIDER: S-EPMC10860886 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature

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Publications

Continuous Erythropoietin Receptor Activator for the Treatment of Chronic Dialysis Patients with Renal Anemia in Daily Clinical Practice in Poland: A Non-Interventional, Multi-Center, Pragmatic NAVIGO Trial.

Nowicki Michał M Drożdż Maciej M Wajda Jarosław J Klatko Wiesław W Segiet-Święcicka Agnieszka A

Nephron 20230914 2

<h4>Background</h4>Renal anemia is one of the most common complications of chronic kidney disease (CKD). This real-life study assessed the effectiveness of methoxy polyethylene glycol-epoetin beta, a continuous erythropoietin receptor activator (C.E.R.A.), for the treatment of CKD-associated anemia in patients receiving dialysis in daily clinical practice.<h4>Methods</h4>247 patients receiving chronic intermitted dialysis in 26 centers in Poland with CKD-associated symptomatic anemia, ESA-naïve, ...[more]

PMID: 37708860

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Project description:IntroductionErythropoiesis-stimulating agents and iron are commonly used in patients with chronic kidney disease with the aim of correcting anemia and maintaining stable hemoglobin levels. We analyzed pooled data from 13 studies with similar designs included in the Umbrella Continuous Erythropoietin Receptor Activator (C.E.R.A.) program to investigate the effects of continuous erythropoiesis receptor activator in clinically relevant subgroups of patients with chronic kidney disease and to determine whether the efficacy and safety outcomes demonstrated in the overall chronic kidney disease population are maintained in specific subgroups.MethodsData from 13 Phase III trials set up with similar design were retrospectively pooled for this analysis. Patients with chronic kidney disease who had previously been receiving epoetin or darbepoetin were switched to continuous erythropoiesis receptor activator once-monthly after a 4- to 8-week screening period. Patients entered a 16-week continuous erythropoiesis receptor activator dose-titration period followed by an 8-week evaluation period. In total, 2060 patients were included in the analysis. Subgroups were defined based on: hemoglobin target range [lower (10.0-12.0 g/dL)/upper (10.5-13.0 g/dL)], gender (female/male), age (<65/≥65), baseline N-terminal pro-B-type natriuretic peptide levels (<5000/≥5000), cardiovascular risk factors (diabetes/cardiac/vascular/none).ResultsAcross all subgroups analyzed, switching from shorter-acting erythropoiesis-stimulating agents to continuous erythropoiesis receptor activator once-monthly maintained stable hemoglobin concentrations in a high proportion of patients (78%), with only moderate hemoglobin fluctuations and a low number of dose changes. The safety profile across subgroups was as expected based on pre-existing risk factors; observed increases in adverse events were attributable to underlying risk factors rather than study drug.ConclusionsThis retrospective analysis of 13 trials showed that continuous erythropoiesis receptor activator once-monthly maintained stable hemoglobin levels across a number of clinically relevant patient subgroups, including those with higher inherent cardiovascular risk. The safety profile was consistent with that previously established in the chronic kidney disease population. CLINICALTRIALS.Gov identifiersNCT00413894/NCT00545571/NCT00517413/NCT00560404/NCT00882713/NCT00550680/NCT00576303/NCT00660023/NCT00717821/NCT00642850/NCT00605293/NCT00661505/NCT00699348.FundingF. Hoffmann-La Roche Ltd, Basel, Switzerland.

Project description:BackgroundThe monthly continuous erythropoietin receptor activator (CERA) utilization maintains stable hemoglobin (Hb) after conversion from weekly epoetin-β (EB); however, how the different pharmacologic properties affect the red blood cell (RBC) size determined by RBC distribution width (RDW) has not been evaluated yet. We assess the potential differences in iron metabolism, plasma erythropoietin (EPO), hepcidin, and soluble α-Klotho (α-Klotho) levels as an emergent hematopoiesis factor.MethodsThirty-seven chronic hemodialysis patients were included from January 2010 to November 2011 and randomized (1:1) to continue with EB or to convert to monthly CERA. Primary outcome was the mean change in Hb between groups at months 0, 3 and 6, and the percentage of patients who maintained stable Hb (Hb ± 1 g/dL from baseline level to month 6). Secondary outcomes were the influence on the erythropoietic process and iron metabolism markers. Thirty-one patients completed the study (CERA: n = 15, EB: n = 16).ResultsThe mean (95% confidence interval (CI)) Hb difference between groups was 0.28 g/dL (-0.36 to 0.93). There was no difference between the percentages of patients with stable Hb levels. In the CERA group RDW values increased progressively (interaction erythropoietin-stimulating agent (ESA) type and time on RDW values, F (1.57, 45.60) = 17.17, P < 0.01, partial η2 = 0.37) and the mean corpuscular volume changed at the different time points, (F (2, 28) = 29.12, P = 0.03, partial η2 = 0.23). During the evaluation period, in the CERA group, EPO was higher, and hepcidin and ferritin decreased significantly. α-Klotho decreased in both groups and correlated negatively with the changes on the RDW and positively with transferrin and serum iron. The number of serious adverse events was higher at the CERA group.ConclusionsMonthly CERA maintained Hb concentrations; however, it showed a significant effect on RDW, probably due to its impact on the EPO and hepcidin levels. α-Klotho decreased significantly in both groups, and its changes correlated with the changes in iron metabolism. Whether the RDW evolution was associated with the serious adverse events (SAEs) is a feasible hypothesis that needs to be confirmed in large studies.

Project description:IntroductionThe polymorphism of the angiotensin-converting enzyme (ACE) gene and interleukin-1 beta (IL-1b) gene could be associated with resistance in the treatment of anemia in dialysis patients with recombinant human erythropoietin (rHuEPO). The aim of the study was to evaluate the association between the polymorphism of the ACE and IL-1b genes and the response to rHuEPO therapy in dialysis patients with anemia.Material and methodsThe study investigated 69 patients on dialysis with anemia treated with recombinant human erythropoietin for 12 months. Genotyping of ACE and IL-1b polymorphism was done in all study patients at the initiation of the study. The patient's demographic characteristics, dialysis vintage, and laboratory parameters were also evaluated as factors associated with rHuEPO resistance. The erythropoietin resistance index (ERI) was calculated as the weekly rHuEPO dose per kg of body weight, divided by the hemoglobin (Hb) concentration in g/dl.ResultsThe Hb ≥ 110 g/l was registered in 37 (53.6%) patients. Patients with Hb ≥ 110 g/l were characterized by significantly higher serum levels of albumin, cholesterol, and iron than those with Hb < 110 g/l. The serum level of the CRP, the weekly dose of rHuEPO, and ERI were significantly higher in patients with Hb < 110 g/l compared to patients with Hb ≥ 110 g/l. The ERI value of ≥ 10 IUkg/weekly/g/dl was present in 27 (39.1%) patients. The serum levels of ferritin and CRP, and weekly dose of rHuEPO were significantly higher in patients with ERI value ≥ 10 IU kg/weekly/g/dl compared with the patients with ERI value < 10 IUkg/weekly/g/dl. There was no significant association between the ERI and polymorphism of the ACE and IL-1b genes in study patients.ConclusionThe polymorphism of the ACE and IL-1b genes was not significantly associated with the response to erythropoietin therapy in dialysis patients with anemia. Iron deficiency, malnutrition, and inflammation were factors associated with anemia and resistance to erythropoietin therapy in dialysis patients.

Dataset Information

Continuous Erythropoietin Receptor Activator for the Treatment of Chronic Dialysis Patients with Renal Anemia in Daily Clinical Practice in Poland: A Non-Interventional, Multi-Center, Pragmatic NAVIGO Trial.

Background

Methods

Results

Conclusions

Publications

Continuous Erythropoietin Receptor Activator for the Treatment of Chronic Dialysis Patients with Renal Anemia in Daily Clinical Practice in Poland: A Non-Interventional, Multi-Center, Pragmatic NAVIGO Trial.

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