Bariatric surgery's hidden effects on muscle and metabolism — a deep dive
NCT ID NCT07737860
First seen Jul 30, 2026 · Last updated Jul 31, 2026 · Updated 1 time
Summary
This study follows people with severe obesity who are scheduled for bariatric surgery. Researchers will measure changes in body fat, muscle mass, metabolism, and strength before surgery and again at 3 and 6 months after. The goal is to better understand how the surgery affects the body beyond weight loss.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- bariatric surgery
- What this could lead to
- If successful, this could clarify how bariatric surgery reshapes the body and metabolism, helping tailor post-surgery care.
- What could go wrong
- This is a small, observational study with only 21 participants, so results may not apply to everyone. It measures changes but does not test a new treatment.
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.
- Participants
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About 21 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- 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.
Who is studied
Morbidly obese patients undergoing bariatric / Metabolic surgery
- Ages
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18 to 60 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * BMI \> 35 with or without obesity-related comorbidities Planned for Bariatric and Metabolic Surgery Exclusion Criteria: * Known endocrine disorders (Cushing's and Untreated hypothyroidism) * History of prior bariatric surgery * Inability to comply with follow-up scheduleLost to follow-up before 3 months post-treatment
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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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