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Age matters: diet study reveals metabolic differences in obese men

NCT ID NCT02161926

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at how a 20% calorie-restricted diet changes metabolism in obese men of two age groups: 30-40 and 60-70 years old. Researchers measured fat breakdown at rest and during exercise, along with genetic markers in muscle and fat tissue. The goal was to understand if older men respond differently to dieting than younger men.

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

71 people

The number who actually took part.

Start date

May 2014

Finished

Feb 2017

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

30 to 70 years

Sex

Male participants only

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: * 30 \< years old \< 40 OR 60 \< years old \< 70 * obesity : 30 \< BMI \< 40 * stable blood pressure (diastolic \<90mmHg, systolic \< 140mmHg) * glycemia \< 1,26g/L, LDL cholest \<1,9-1,6g/L, Triglycerides \<2,5g/L * risk factors concerning high blood pressure, diabetes and dyslipidemia under control Exclusion Criteria: * Insulin dependent diabetes, non-insulin dependent diabetes * high blood pressure * dyslipidemia * history of cardiovascular diseases or bariatric surgery * undernutrition * HbA1C \>7% * non authorized treatments : Glucagon-like peptide-1 agonists, * incapacity to do physical activity

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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 Toulouse

    Toulouse, 31 059, France

More trials for these conditions

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