Testing diuretics for kidney disease treatment

Efficacy of Diuretics in Kidney Disease

Phase 2 Interventional Stanford University · NCT04542304

This study is testing if the diuretic Metolazone can help people with chronic kidney disease by comparing its effects to a placebo over two weeks.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment50 (estimated)
Ages18 Years and up
SexAll
SponsorStanford University Academic / other
Locations2 sites (Palo Alto, California and 1 other locations)
Trial IDNCT04542304 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness of diuretics in patients with chronic kidney disease through a cross-over design. Participants will experience two one-week periods, one receiving the diuretic Metolazone and the other a placebo, with a washout period in between. Blood and urine samples will be collected to assess changes in urine output, kidney clearance, and levels of uremic solutes. Daily weight monitoring and quality of life questionnaires will also be part of the assessment.

Who should consider this trial

Good fit: Ideal candidates include stable chronic kidney disease patients and stable dialysis patients who produce urine.

Not a fit: Patients with recent antibiotic use or those who have experienced instability in food intake may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could improve treatment options for patients with chronic kidney disease.

How similar studies have performed: Other studies have explored diuretics in kidney disease, but this specific approach is less commonly tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* stable chronic kidney disease patients able to provide consent
* stable dialysis patients who produce urine and able to provide consent

Exclusion Criteria:

* use of antibiotics for last two months or expected antibiotic use
* recent hospitalization or other event resulting in instability of food intake

Where this trial is running

Palo Alto, California and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Chronic Kidney DiseaseEnd Stage Renal Disease
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.