Tiny study to reveal how phosphorus in food affects kidneys

NCT ID NCT06712719

Not yet recruiting Knowledge-focused Sponsor: University of Minnesota Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jul 10, 2026 · Updated 1 time

Summary

This study looks at how the amount of phosphorus in food affects phosphorus and calcium balance in people with moderate chronic kidney disease (CKD). Fourteen participants will follow two different controlled diets (low phosphorus then high phosphorus, or vice versa) for 19 days each. Researchers will measure phosphorus and calcium in urine, stool, and blood to understand how the body handles these minerals. The goal is to gather knowledge, not to test a new treatment.

What this could mean

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

Active substance: controlled diets with low or high phosphorus content
What this could lead to: If successful, this could help doctors understand how to better manage phosphorus and calcium levels in people with moderate CKD through diet.
What could go wrong: This is a very small, early-stage study (14 people) focused on measuring body processes, not testing a treatment. Results may not apply to all CKD patients.

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 CKD 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

As listed by the trial registrant

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

CKD

Contacts and locations

Locations

Indiana University School of Medicine

Indianapolis, Indiana, 46202, United States

More trials for these conditions

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