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Exercise plus diet: the secret to lasting metabolic health?

NCT ID NCT05806801

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at what happens inside your fat tissue when you lose weight with or without exercise. 68 adults with obesity will lose 10% of their body weight through diet, with some also doing moderate exercise. Researchers will measure insulin sensitivity, fat breakdown, and changes in fat tissue structure. After weight loss, participants are followed for 6 months to see if exercise helps maintain health benefits even if weight returns.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Moderate intensity continuous exercise (MICT) vs. no exercise
What this could lead to
If successful, this could reveal why exercise plus diet is better for metabolic health than diet alone, even after some weight is regained.
What could go wrong
This is a small, early-stage observational study (68 participants) focused on mechanisms, not a treatment. Results may not apply to older or more diverse populations.

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

About 68 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2023

Expected to finish

May 2028

An estimate. End dates often move.

Lead sponsor

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

18 to 40 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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 * Age: 18-40 * Body Mass Index: 30-40 kg/m2 * Weight stable (±3kg for greater than or equal to about 2 months) * No regularly planned exercise/physical activity * Women must have regularly occurring menses and must be premenopausal Exclusion criteria * EKG abnormalities * Evidence/history of cardiovascular disease, diabetes or other metabolic disease * Medications known to affect lipid or glucose metabolism * Pregnant or lactating * Tobacco or e-cigarette use * Prior experience of hypersensitivity to insulin, human albumin, and potassium chloride injection. * Allergies/hypersensitivity to local anesthetics of the amide type (e.g., lidocaine) * History of hyperkalemia or potential for developing hyperkalemia (including but not limited to taking drugs that may induce hyperkalemia such as cardiac glycosides or potassium sparing diuretics) * Anti-coagulant medication (e.g., Coumadin, Rivaroxaban) and Lidocaine allergy/sensitivity are exclusion criteria for the biopsy procedure.

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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.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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.

Contacts and locations

Locations

  • University of Michigan

    RECRUITING

    Ann Arbor, Michigan, 48109, United States

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