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Completed Phase 3 Interventional Results available

An 8-Week Study to Evaluate Tenapanor in the Treatment of Hyperphosphatemia in End-Stage Renal Disease Patients on Hemodialysis (ESRD-HD)

ClinicalTrials.gov ID: NCT02675998

Public ClinicalTrials.gov record NCT02675998. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 3, 2026, 8:39 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An 8-week, Multicenter, Randomized, Double-Blind, Parallel Group Study With a 4-week, Placebo-Controlled, Randomized Withdrawal Period to Evaluate the Efficacy, Safety, and Tolerability of Tenapanor to Treat Hyperphosphatemia in End-Stage Renal Disease Patients on Hemodialysis (ESRD-HD)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This phase 3, 8-week, randomized, double-blind, parallel group, multi-center study with a 4-week, placebo-controlled, randomized withdrawal period will evaluate the efficacy, safety and tolerability of Tenapanor to treat hyperphosphatemia in end-stage renal disease patients on hemodialysis (ESRD-HD). Subjects who qualify are randomized into the study will either receive 3 mg BID, 10 mg BID, or a titration regimen of tenapanor.

Study identification

NCT ID
NCT02675998
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Ardelyx
Industry
Enrollment
219 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 80 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 31, 2015
Primary completion
Nov 30, 2016
Completion
Jan 16, 2018
Last update posted
Aug 9, 2020

2016 – 2018

United States locations

U.S. sites
32
U.S. states
18
U.S. cities
31
Facility City State ZIP Site status
Ardelyx Investigative Site 429 Huntsville Alabama 35805
Ardelyx Investigative Site 425 Riverside California 92505
Ardelyx Clinical Site 403 Denver Colorado 80230
Ardelyx Investigative Site 410 Lauderdale Lakes Florida 33313
Ardelyx Investigative Site 430 Miami Florida 33173
Ardelyx Investigative Site 427 Meridian Idaho 83642
Ardelyx Investigative Site 432 Shreveport Louisiana 71101
Ardelyx Investigative Site 415 Bethesda Maryland 20814
Ardelyx Investigative Site 402 Kalamazoo Michigan 49008
Ardelyx Investigative Site 424 Roseville Michigan 48066
Ardelyx Investigative Site 409 Brookhaven Mississippi 39601
Ardelyx Investigative Site 417 Columbus Mississippi 39705
Ardelyx Investigative Site 431 Tupelo Mississippi 38801
Ardelyx Investigative Site 423 St Louis Missouri 63136
Ardelyx Investigative Site 416 Albuquerque New Mexico 87109
Ardelyx Investigative Site 419 The Bronx New York 10803
Ardelyx Investigative Site 408 Asheville North Carolina 28805
Ardelyx Investigative Site 411 Charlotte North Carolina 28204
Ardelyx Investigative Site 420 New Bern North Carolina 28562
Ardelyx Investigative Site 426 Raleigh North Carolina 27609
Ardelyx Investigative Site 412 Wilmington North Carolina 28403
Ardelyx Investigative Site 414 Bethlehem Pennsylvania 18017
Ardelyx Investigative Site 404 Columbia South Carolina 29203
Ardelyx Investigative Site 421 Orangeburg South Carolina 29118
Ardelyx Investigative Site 428 Sumter South Carolina 29150
Ardelyx Investigative Site 413 Knoxville Tennessee 37923
Ardelyx Investigative Site 418 Nashville Tennessee 37205
Ardelyx Investigative Site 406 Austin Texas 78758
Ardelyx Investigative Site 405 Bellville Texas 77418
Ardelyx Investigative Site 422 San Antonio Texas 78215
Ardelyx Investigative Site 407 San Antonio Texas 78229
Ardelyx Investigative Site 401 St. George Utah 84790

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02675998, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 9, 2020 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02675998 live on ClinicalTrials.gov.

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