Can a phosphate diet test improve kidney disease care?

NCT ID NCT07368946

Recruiting now Knowledge-focused Sponsor: University of Texas Southwestern Medical Center Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing how different levels of dietary phosphorus affect people with moderate chronic kidney disease (stages 3-4) compared to healthy volunteers. Participants will follow three different phosphorus diets over 21 days, and researchers will measure blood markers to find new ways to detect phosphate overload. The goal is to develop a better tool for assessing phosphorus balance, which could help guide diet and treatment in kidney disease.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: dietary phosphorus (as sodium phosphate capsules and controlled meals)
What this could lead to: If successful, this could lead to better ways to measure phosphate overload in kidney disease patients, helping doctors intervene earlier and improve health.
What could go wrong: This is a small pilot study with only 60 participants, so results may not apply to everyone. It is designed to gather data, not to test a treatment, so direct patient benefits are unlikely.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for CHRONIC KIDNEY DISEASE (STAGE 3-4) are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

chronic kidney disease chronic renal failure syndrome renal osteodystrophy

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CHRONIC KIDNEY DISEASE (STAGE 3-4) CHRONIC KIDNEY DISEASE MINERAL AND BONE DISORDER

Contacts and locations

Locations

University of Texas Southwestern Medical Center
RECRUITING

Dallas, Texas, 75390, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.