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Scientists probe why exercise affects obese bodies differently

NCT ID NCT05857150

Knowledge-focused Sponsor: Mayo Clinic Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
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Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
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Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
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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 Results may not be published yet.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)
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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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Last updated Sep 11, 2026

Summary

Mayo Clinic researchers are studying how chronic inflammation affects muscle function and the body's response to exercise in adults with obesity. About 120 men and women aged 20 to 45 will undergo treadmill fitness tests, strength tests, body composition scans, and small muscle and fat biopsies. The goal is to understand the biological signals that link inflammation to muscle health during exercise.

What this could mean

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

What this could lead to
If researchers learn how inflammation changes muscle biology during exercise, that knowledge could shape future exercise or treatment plans for people with obesity.
What could go wrong
This is an observational study, not a treatment trial, so it will not directly help participants. Biopsies carry small risks of pain, bleeding, or infection, and the findings may not apply to other groups.

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

About 120 people

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

Started

Sep 2023

Expected to finish

Jul 2029

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.

Who is studied

Men and women ages 20-45 years with Body Mass Index 20-40

Ages

20 to 45 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Obese men and women ≥ 20 and ≤ 45 years of age. Exclusion Criteria: * Diabetes or fasting plasma glucose \>126 mg/dL * Anemia (female subjects hemoglobin of \<11 g/dl and male subjects hemoglobin \<12 g/dl) * Active coronary artery disease or history of unstable macrovascular disease (unstable angina, myocardial infarction, stroke, and revascularization of coronary, peripheral or carotid artery within 3 months of recruitment) * Renal failure (serum creatinine \> 1.5mg/dl) * Chronic active liver disease defined as aspartate aminotransferase (AST)\>144 IU/L or alanine transaminase (ALT) \>165 IU/L) * Oral warfarin group medications or history of blood clotting disorders. * Smoking * Pregnancy or breastfeeding * Alcohol consumption greater than 2 glasses/day or other substance abuse * Untreated or uncontrolled hypothyroidism * Debilitating chronic disease (at the discretion of the investigators)

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

OBESE

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

  • Mayo Clinic in Rochester

    RECRUITING

    Rochester, Minnesota, 55905, United States

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