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Efficacy and safety of evocalcet in Japanese peritoneal dialysis patients.

ABSTRACT: BACKGROUND:Secondary hyperparathyroidism (SHPT) is a serious and common complication in patients receiving peritoneal dialysis (PD). Cinacalcet is currently the recommended therapy for SHPT; however, gastrointestinal (GI)-related symptoms can result in low adherence and high discontinuation rates. Evocalcet is a novel calcimimetic agent that has non-inferior efficacy while providing a more tolerable safety profile. METHODS:This was a multicenter, intra-subject dose-adjustment treatment study evaluating the efficacy and safety of 1-8 mg evocalcet orally administered once daily for 32 weeks for the treatment of SHPT in PD patients. Patients then entered a 20-week extension period (dose range 1-12 mg). The primary endpoint was the proportion of patients who achieved a mean intact parathyroid hormone (iPTH) level of 60-240 pg/mL during the evaluation period (weeks 30-32). Secondary efficacy endpoints included the proportion of patients achieving???30% decrease in iPTH levels. RESULTS:A total of 39 Japanese PD patients with SHPT received evocalcet. The target mean iPTH level of 60-240 pg/mL was achieved by 71.8% (28/39) of patients during the evaluation period and 83.3% (20/24) of patients at week 52. The proportion of patients who achieved???30% decrease in iPTH levels from baseline was 74.4% (29/39) during the evaluation period and 87.5% (21/24) at week 52. Adverse drug reactions occurred in 46.2% (18/39) of patients, with most being of mild-to-moderate severity including GI-related events. CONCLUSION:This study shows the long-term efficacy and safety of evocalcet when orally administered to PD patients with SHPT once daily. CLINICAL TRIAL REGISTRATION:ClinicalTrials.gov: NCT02549417, https://clinicaltrials.gov/ct2/show/NCT02549417 ; JAPIC: JapicCTI-153016, http://www.clinicaltrials.jp/user/showCteDetailE.jsp?japicId=JapicCTI-153016 .

SUBMITTER: Tsuruya K

PROVIDER: S-EPMC6586709 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature

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Efficacy and safety of evocalcet in Japanese peritoneal dialysis patients.

Tsuruya Kazuhiko K Shimazaki Ryutaro R Fukagawa Masafumi M Akizawa Tadao T

Clinical and experimental nephrology 20190406 6

<h4>Background</h4>Secondary hyperparathyroidism (SHPT) is a serious and common complication in patients receiving peritoneal dialysis (PD). Cinacalcet is currently the recommended therapy for SHPT; however, gastrointestinal (GI)-related symptoms can result in low adherence and high discontinuation rates. Evocalcet is a novel calcimimetic agent that has non-inferior efficacy while providing a more tolerable safety profile.<h4>Methods</h4>This was a multicenter, intra-subject dose-adjustment trea ...[more]

PMID: 30955188

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Project description:BackgroundResults concerning the association between peritoneal dialysis-related peritonitis and mortality in peritoneal dialysis patients are inconclusive, with one potential reason being that the time-dependent effect of peritonitis has rarely been considered in previous studies. This study aimed to evaluate whether peritonitis has a negative impact on mortality in a large cohort of peritoneal dialysis patients. We also assessed the changing impact of peritonitis on patient mortality with respect to duration of follow-up.MethodsThis retrospective cohort study included incident patients who started peritoneal dialysis from 1 January 2006 to 31 December 2011. Episodes of peritonitis were recorded at the time of onset, and peritonitis was parameterized as a time-dependent variable for analysis. We used the Cox regression model to assess whether peritonitis has a negative impact on mortality.ResultsA total of 1321 patients were included. The mean age was 48.1 ± 15.3 years, 41.3% were female, and 23.5% with diabetes mellitus. The median (interquartile) follow-up time was 34 (21-48) months. After adjusting for confounders, peritonitis was independently associated with 95% increased risk of all-cause mortality (hazard ratio, 1.95; 95% confidence interval: 1.46-2.60), 90% increased risk of cardiovascular mortality (hazard ratio, 1.90; 95% confidence interval: 1.28-2.81) and near 4-fold increased risk of infection-related mortality (hazard ratio, 4.94; 95% confidence interval: 2.47-9.86). Further analyses showed that peritonitis was not significantly associated with mortality within 2 years of peritoneal dialysis initiation, but strongly influenced mortality in patients dialysed longer than 2 years.ConclusionsPeritonitis was independently associated with higher risk of all-cause, cardiovascular and infection-related mortality in peritoneal dialysis patients, and its impact on mortality was more significant in patients with longer peritoneal dialysis duration.

Dataset Information

Efficacy and safety of evocalcet in Japanese peritoneal dialysis patients.

Publications

Efficacy and safety of evocalcet in Japanese peritoneal dialysis patients.

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