Could a diabetes drug protect kidneys in obesity? new trial investigates
NCT ID NCT05536804
First seen Jun 24, 2026 · Last updated Sep 11, 2026 · Updated 2 times
Summary
This Phase 2 trial tests whether tirzepatide, a drug already used for diabetes and weight loss, can improve kidney health in 140 people with obesity and chronic kidney disease (with or without type 2 diabetes). Researchers will use MRI scans to measure changes in kidney fat and blood flow over about 56 weeks. The goal is to see if tirzepatide can reduce kidney fat and improve function, potentially offering a new way to manage kidney disease in this population.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Tirzepatide
- What this could lead to
- If successful, this could point toward a new treatment option for chronic kidney disease in people with obesity, potentially slowing kidney decline.
- What could go wrong
- This is an early Phase 2 trial with only 140 participants, so results may not apply to everyone. The main focus is on MRI changes, not long-term kidney outcomes, and tirzepatide may cause side effects like nausea or vomiting.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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134 people
The number who actually took part.
- Started
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Feb 2023
- Finished
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Jul 2026
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: All participants with or without diabetes: * Have a Body Mass Index (BMI) ≥27 kilogram/square meter (kg/m²) at screening * Diagnosed with chronic kidney disease (CKD) * Has an estimated glomerular filtration rate (eGFR) ≥25 to ≤60 ml/min/1.73 m² or eGFR ≥25 to ≤75 ml/min/1.73 m² if urine albumin-to-creatinine ratio (UACR) \>30 milligram/gram (mg/g) * Have been receiving an angiotensin-converting enzyme (ACE) or angiotensin II receptor blockers (ARB) that is considered the maximal appropriate dose by the investigator for treatment of chronic kidney disease or hypertension (unless the participant has low blood pressure or hypotension) Participants without diabetes: * Have Hemoglobin A1c (HbA1c) \<6.5% at screening Participants with Type 2 diabetes: * Have been diagnosed at least 180 days prior to screening * Have HbA1c ≤9.5% at screening Exclusion Criteria: All participants: * Have a self-reported change in body weight \>5 kilogram (kg) within 90 days prior to screening. * Have a prior or planned surgical treatment for obesity * Have or plan to have endoscopic and/or device-based therapy for obesity or have had device removal within the last 180 days * Have eGFR \<25 mL/min/1.73m² calculated by using creatinine-based chronic kidney disease epidemiology collaboration (CKD-EPI) equations, as determined by central laboratory at screening. * Have a history of unstable or rapidly progressing renal disease according to investigator judgment * Have a known clinically significant gastric emptying abnormality (for example, severe diabetic gastroparesis or gastric outlet obstruction) or chronically take drugs that directly affect GI motility) * Have had a history of chronic or acute pancreatitis Participants with T2D: * Have history of proliferative diabetic retinopathy or diabetic macular edema or non-proliferative diabetic retinopathy that requires acute treatment. * Have been diagnosed with type 1 diabetes (T1D) or have history of ketoacidosis or hyperosmolar state/coma
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Aarhus Universitetshospital, Skejby
Aarhus, 8200, Denmark
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American Health Network of Indiana, LLC - Avon
Avon, Indiana, 46123, United States
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American Health Network of Indiana, LLC - Greenfield
Greenfield, Indiana, 46140, United States
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American Health Network of Indiana, LLC - Muncie
Muncie, Indiana, 47304, United States
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Amsterdam UMC, locatie VUmc
Amsterdam, 1081 HV, Netherlands
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Arcturus Healthcare , PLC, Troy Internal Medicine Research Division
Troy, Michigan, 48098, United States
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Caimed Investigacion En Salud S.A. de C.V.
Mexico City, 06760, Mexico
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Centre intégré universitaire de santé et de services sociaux de l'Estrie Centre Hospitalier Universitaire -T
Sherbrooke, J1H 5N4, Canada
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Centro de Investigación y Gastroenterología
Cuauhtémoc, 06700, Mexico
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Fadia El Boreky Medicine
Waterloo, N2J 1C4, Canada
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Grupo Medico Camino Sc
Mexico City, 03310, Mexico
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Health Pharma Professional Research S.A. de C.V:
Mexico City, 03100, Mexico
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Indiana University Health University Hospital
Indianapolis, Indiana, 46202, United States
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Instituto Nacional de Cardiologia Ignacio Chavez
México, 14080, Mexico
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Investigación Nefrológica
Cuernavaca, 62448, Mexico
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Kidney Associates of Colorado
Denver, Colorado, 80210, United States
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Klinik Hietzing
Vienna, 1130, Austria
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Klinik Landstraße
Vienna, 1030, Austria
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LMC Clinical Research Inc. (Barrie)
Barrie, L4N 7L3, Canada
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LMC Clinical Research Inc. (Thornhill)
Concord, L4K 4M2, Canada
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Providence Medical Research Center - Spokane
Spokane, Washington, 99204, United States
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Toronto General Hospital
Toronto, M5G 2C4, Canada
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University of Colorado Anschutz Medical Campus
Aurora, Colorado, 80045, United States
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University of Washington Medical Center - Montlake
Seattle, Washington, 98195, United States
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Valley Clinical Trials, Inc.
Northridge, California, 91325, United States
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Zentrum für klinische Studien Dr Hanusch Gmbh
Vienna, 1060, Austria
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Ziekenhuisgroep Twente, locatie Almelo
Almelo, 7609 PP, Netherlands
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