Protein power: new study tests diet and exercise combo for lasting weight loss
NCT ID NCT07113561
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at whether a high-protein diet plus resistance training helps people with obesity keep fat off better than a standard low-calorie diet. Sixty adults will follow either a high-protein diet with supervised strength training or a balanced diet alone for 10 weeks, then continue a maintenance plan for a year. Researchers will measure body fat, muscle mass, and overall health to see which approach works best.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- high-protein diet and resistance training
- What this could lead to
- If it works, this could offer a practical, non-drug way to keep weight off and preserve muscle after dieting.
- What could go wrong
- This is a small, early-stage study with only 60 participants. Results may not apply to everyone, and sticking to the diet and exercise routine may be hard in real life.
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
-
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 60 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2025
- Expected to finish
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Dec 2027
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 50 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: * BMI equal to or above 30 * Sedentary lifestyle (\<150 minutes moderate physical activity per week and no habitual resistance training (\< once weekly) * \< 2 kg body weight change in the 3 months prior to study commencement * high motivation for lifestyle change * not currently enrolled in any other obesity or behavioral change program Exclusion Criteria: * Previous or planned bariatric surgery * Current or planned usage of medications or anti-obesity drugs known to influence energy metabolism or appetite * Diabetes (type 1 and 2) * Women in menopause or post-menopausal women * Existing cancer diagnosis * Renal disease * Substance abuse * Eating disorders * Allergies, or intolerances to ingredients in meal packs/supplements intended for use in the study * Mobility/physical constrains or musculoskeletal issues that could impede participation in the resistance training program
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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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Norwegian University of Science and Technology
Trondheim, Norway
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Other studies related to the condition(s) this trial covers.