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A Phase 3 Study of Tenapanor to Treat Hyperphosphatemia in ESRD Patients on Dialysis

Hyperphosphatemia Clinical Trial

Official title:
A 26-Wk, Phase 3, Open Label (OL) Study With a 12-Wk, Placebo-Controlled, Randomized Withdrawal Period and an OL Safety Extension to Evaluate the Safety and Efficacy of Tenapanor to Treat Hyperphosphatemia in CKD Patients on Dialysis

Clinical Trial Summary

This Phase 3, 26-week, open label study with a 12-week, placebo-controlled, randomized withdrawal period followed by an open label long term safety extension will evaluate the safety and efficacy of tenapanor to treat hyperphosphatemia in end-stage renal disease (ESRD) on hemodialysis and peritoneal dialysis.

Clinical Trial Description

The study consists of a screening visit, a phosphate binder-free washout period of up to 4 weeks, a 26-week treatment period, an up to 12-week placebo-controlled, randomized withdrawal period, during which patients are randomized 1:1 to either remain on their tenapanor treatment or placebo, followed by an open label safety extension period for a total treatment period of up to 52 weeks. An active control group, for safety analysis only, will receive sevelamer carbonate, open label, for the entire 52-week study period Depending on increase in serum phosphate (s-P) levels, subjects can be randomized 2 or 3 weeks after being taken off their phosphate lowering medication. Subjects who qualify to enroll in the study will be randomized 3:1 to either receive tenapanor at a dose of 30 mg bid or sevelamer carbonate. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03427125
Study type Interventional
Source Ardelyx
Contact
Status Completed
Phase Phase 3
Start date January 8, 2018
Completion date February 27, 2020
View Details
See also
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