Diabetes drug shows promise for weight loss in Large-Waisted adults
NCT ID NCT05949008
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether the diabetes drug metformin, combined with a low-calorie diet, helps overweight or obese adults with a large waistline lose weight. About 150 participants will take either metformin or a placebo for 24 weeks. The main goal is to see if at least 5% of body weight is lost, and how the treatment affects quality of life and physical activity.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 150 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2023
- Expected to finish
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Jul 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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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Accepted
You do not need to have the condition being studied to take part.
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: * Male or female, age ≥ 18 years at the time of signing informed consent. * Body Mass Index (BMI) ≥ 27 kg/m2 * Waist circumference \>40" for men, and \>35" for women Exclusion Criteria: * A self-reported change in body weight \> 5 kg (11 lbs) within 90 days before screening irrespective of medical records * Diagnosed with T2D (HbA1c \>7.5 (53 mmol/mol) * Current use of insulin or oral medication of metformin, SU, SGLT2i, glitazone, DPP4 or GLP-1 agonist injections as single agent therapy or combination oral agents. * Renal impairment measured as estimated Glomerular Filtration Rate (eGFR) value of \< 45 mL/min/1.73 m2 (\< 60 ml/min/1.73 m2 in subjects treated with SGLT2i) according to CKDEPI creatinine equation as defined by KDIGO 201242 by the central laboratory at screening * History of thyroid disease, but not taking medication or medication dosage changed one or more times over last 6 months (History of thyroid disease and on a stable dose of prescription medication for 6 months or longer is acceptable). * History or lactic acidosis * Liver problems * Congestive heart failure * History of alcoholism * Recent surgery * Heart attack, severe infection or stroke * Any unstable medical conditions or terminal diagnosis * Pregnancy or lactation * Allergy and intolerance to metformin
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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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UCLA Center for Human Nutrition
Los Angeles, California, 90024, United States
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