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Can eating only at certain times boost health in older adults?

NCT ID NCT05482711

Knowledge-focused Sponsor: University of Florida Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study looked at whether limiting when you eat (time-restricted eating) can improve how the body uses fuel and regulates daily rhythms in overweight adults aged 65 and older. Fifteen participants followed a set eating and fasting schedule for 8 weeks while researchers tracked changes in blood sugar, gene activity, and sleep patterns using wearable devices. The goal was to develop better ways to measure these health markers, not to prove a treatment works.

What this could mean

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

Active substance
Time-restricted eating (behavioral intervention)
What this could lead to
If successful, this could point toward a simple dietary pattern to improve metabolic and circadian health in older adults.
What could go wrong
This is a very small, early-phase study with only 15 participants. Results may not apply to the general population, and the intervention is purely behavioral with no control group.

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

15 people

The number who actually took part.

Started

Jan 2023

Finished

Feb 2026

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

65 years and older

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: * Consent to participate in the study * Men and women ≥ 65 years old * Self-reported difficulty walking ¼ mile or climbing a flight of stairs * Self-reported sedentariness (\<150 minutes structured exercise per week) * Walking speed \<1 m/sec on the 4 m walk test * Able to walk unassisted (cane allowed) * Have a body mass index between 25 - 40 kg/m2 (inclusive) * HbA1c \< 5.7 % Exclusion Criteria: * Fasting \>12 hours per day * Actively trying to lose weight by participating in formal weight loss program or significantly restricting calorie intake * Resting heart rate of \>120 beats per minute, systolic blood pressure \> 180 mmHg and/or diastolic blood pressure of \> 100 mmHg * Unstable angina, heart attack or stroke in the past 3 months * Continuous use of supplemental oxygen to manage a chronic pulmonary condition or heart failure * Rheumatoid arthritis, Parkinson's disease or currently on dialysis * Active treatment for cancer in the past year * Diabetes Mellitus * Known history of skin sensitivity or allergic reaction to adhesives * Taking medications that preclude fasting for 16 hours (e.g. must be taken with food at least 12 hours apart) * Any condition that in the opinion of the investigator would impair ability to participate in the trial

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As listed by the trial registrant

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

Aging

Contacts and locations

Locations

  • University of Florida

    Gainesville, Florida, 32610, United States

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