Tenapanor in Chinese ESRD patients with hyperphosphatemia on haemodialysis: a randomised, phase 3 trial.

Autor: Gan, Liangying, Xing, Li, Xu, Yan, Zhou, Linghui, Jiang, Hong, Sun, Xiuli, Guan, Tianjun, Luo, Ping, Wang, Junxia, Sun, Fuyun, Guo, Zhiyong, Guo, Minghao, Gao, Ju, Wei, Gang, Zhong, Wen, Zhou, Yongchun, Zuo, Li
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Zdroj: Clinical Kidney Journal; Jan2024, Vol. 17 Issue 1, p1-9, 9p
Abstrakt: Background The efficacy and safety of tenapanor has not been confirmed in Chinese end-stage renal disease (ESRD) patients with hyperphosphatemia on haemodialysis (HD). Methods This was a randomised, double blind, phase 3 trial conducted at 26 dialysis facilities in China (https://www.chictr.org.cn/index.aspx ; CTR20202588). After a 3-week washout, adults with ESRD on HD with hyperphosphatemia were randomised (1:1) using an interactive web response system to oral tenapanor 30 mg twice a day or placebo for 4 weeks. The primary endpoint was the change in mean serum phosphorous level from baseline to the endpoint visit (day 29 or last serum phosphorus measurement). Efficacy was analysed in the intention-to-treat population. Safety was assessed in all patients who received at least one dose of the study drug. Results Between 5 March 2021 and 8 June 2022, 77 patients received tenapanor and 73 received placebo. Tenapanor treatment (n  = 75) resulted in a significantly greater least squares (LS) mean reduction in serum phosphate at the endpoint visit versus placebo (n  = 72): LS mean difference −1.17 mg/dl (95% CI −1.694 to −0.654, P  < .001). More patients receiving tenapanor achieved a serum phosphorous level <5.5 mg/dl at the endpoint visit (44.6% versus 10.1%). The most common treatment-related adverse event was diarrhoea [tenapanor 28.6% (22/77), placebo 2.7% (2/73)], which was mostly mild and led to treatment discontinuation in two patients receiving tenapanor. Conclusions Tenapanor significantly reduced the serum phosphorous level versus placebo in Chinese ESRD patients on HD and was generally well tolerated. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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