Can exercise save your muscles while on Weight-Loss drugs? new trial aims to find out
NCT ID NCT07609160
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study will test whether a 24-week home-based resistance exercise program, when added to the weight-loss drug tirzepatide, helps overweight and obese adults maintain muscle mass and strength. About 108 people starting tirzepatide will be randomly assigned to either exercise plus the drug or the drug alone. Researchers will measure changes in thigh muscle thickness and quality using ultrasound.
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 show that combining exercise with tirzepatide helps overweight people lose weight while keeping muscle strength and quality.
- What could go wrong
- This is a small, early-stage trial (108 people) that hasn't started yet. The exercise is home-based, so results may vary, and tirzepatide can cause side effects like nausea or digestive issues.
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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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 108 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Nov 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 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 to 65 years
- 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: * initiation of tirzepatide-based pharmacological treatment as prescribed by an endocrinology and metabolism specialist, * body mass index (BMI) ≥27 kg/m² and the presence of a comorbidity condition or BMI≥30 kg/m² * age between 18 and 65 years Exclusion Criteria: * diagnosis of type 1 or type 2 diabetes mellitus * presence of cerebrovascular, hematological, pulmonary, rheumatological, or neurological disorders * current participation in a structured diet or exercise program * use of weight-loss medications within the past 12 months * history of upper or lower extremity surgery or injury within the past 6 months * any contraindication to resistance exercise as determined by the treating physician.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
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