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Brown fat study reveals how your body handles carbs, fat, and protein

NCT ID NCT06078345

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at how brown adipose tissue (brown fat) helps the body process nutrients from food. Thirty healthy adults with or without active brown fat were given separate test meals of carbs, fat, or protein. Researchers measured blood sugar, fats, and energy use to see if brown fat acts as a nutrient buffer.

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 it works, this could point toward ways to boost brown fat activity to improve metabolic health.
What could go wrong
This is a small, completed observational study, not a treatment trial. Results may not apply to people with metabolic diseases.

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

30 people

The number who actually took part.

Started

Oct 2023

Finished

Aug 2025

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: * BMI 18.5 to 28 kg/m2 * Able to give informed consent as documented by signature Exclusion Criteria: * Concomitant medication other than prescription free analgesics (paracetamol and NSAID) and oral contraceptives * Other clinically significant concomitant disease states (e.g., renal failure, hepatic dysfunction, cardiovascular disease, diabetes mellitus) * Hyper- or hypothyroidism * Smoker / habitual tobacco use * Weight change of \>5% within 3 months prior to inclusion * Hypersensitivity to cold (e.g. Raynaud syndrome) * Known or suspected non-compliance, drug or alcohol abuse * Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc. of the participant * Enrolment of the investigator, his/her family members, employees and other dependent persons * Enrolment into another study using ionizing radiation within the previous 12 months * Enrolment into another study including a pharmacological or nutritional intervention * Pregnancy or lactation * Lab parameters * Serum-Creatinine: above 1.5x upper limit of normal (ULN) * Glycated Hemoglobin (HbA1c): above 6.0% * Random plasma glucose \>11 mM

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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

  • University Hospital Basel, Dept. of Endocrinology

    Basel, Switzerland

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