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Completed Phase 4 Interventional Results available

Study to Evaluate the Use of Tenapanor as Core Therapy in the Treatment of Hyperphosphatemia

ClinicalTrials.gov ID: NCT04549597

Public ClinicalTrials.gov record NCT04549597. 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, 4:56 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

Randomized Open-Label Study to Evaluate Tenapanor as the Core Therapy in the Treatment of Hyperphosphatemia in Patients With Chronic Kidney Disease Who Are Phosphate Binder Naive or on Phosphate Binders to Optimize Phosphorus Management

Brief summary

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

This is a randomized, open-label study to evaluate different methods of initiating tenapanor therapy in CKD patients on dialysis with hyperphosphatemia, when they are either phosphate binder naïve or on phosphate binder therapy. The objective to evaluate the effect of tenapanor alone or in combination with phosphate binders to achieve target serum phosphorus (s-P) levels of ≤5.5 mg/dL when tenapanor is administered as the core therapy (alone or in combination with phosphate binders) for the treatment of hyperphosphatemia in patients with chronic kidney disease (CKD) on dialysis.

Study identification

NCT ID
NCT04549597
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Ardelyx
Industry
Enrollment
333 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 90 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
Nov 19, 2020
Primary completion
Oct 12, 2021
Completion
Nov 30, 2021
Last update posted
Mar 28, 2023

2020 – 2021

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
South Florida Research Institute Lauderdale Lakes Florida 33313

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 NCT04549597, 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 Mar 28, 2023 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04549597 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →