Could a low protein diet keep kidneys working longer?

NCT ID NCT03979534

Recruiting now Disease control Sponsor: Centre Hospitalier le Mans Source: ClinicalTrials.gov ↗

First seen Jul 01, 2026 · Last updated Jul 02, 2026 · Updated 1 time

Summary

This study tests whether a carefully controlled low protein diet (about 0.6 grams of protein per kilogram of body weight each day) can help people with advanced chronic kidney disease delay the need for dialysis or a kidney transplant. The study enrolls adults with stage 4-5 or fast-progressing stage 3 kidney disease. Researchers will measure how well patients stick to the diet and whether it extends kidney function and survival.

What this could mean

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

Active substance: low protein diet
What this could lead to: If successful, this approach could help people with chronic kidney disease delay or avoid dialysis and kidney transplants through a simple dietary change.
What could go wrong: This is a small, early-stage study focused on adherence, not long-term outcomes. A low protein diet may be difficult to follow and could lead to malnutrition in some patients.

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Conditions

The condition(s) this trial relates to.

chronic kidney disease chronic renal failure syndrome

As listed by the trial registrant

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

CHRONIC KIDNEY DISEASES

Contacts and locations

Locations

Centre Hospitalier Le Mans
RECRUITING

Le Mans, France
Pôle Santé Sarthe et Loir
RECRUITING

La Flèche, 72200, France

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