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Ketones vs. sleeplessness: new study tests diet fix for tired brains

NCT ID NCT06075914

Knowledge-focused Sponsor: Ohio State University Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 whether a ketogenic diet or ketone supplements can reduce the mental and physical downsides of sleep loss. Sixty healthy adults ages 18–40 will cut their sleep by half for four nights while following either a ketogenic or Mediterranean diet, and taking either a ketone drink or a placebo. Researchers will measure thinking, marksmanship, agility, strength, and blood markers to see if ketones help protect against sleep deprivation.

What this could mean

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

Active substance
Ketogenic diet, Mediterranean diet, and ketone ester supplements
What this could lead to
If it works, this could point toward dietary strategies to help people—especially military personnel—stay sharp and perform well even when sleep is limited.
What could go wrong
This is a small, early-stage study (60 people) testing short-term effects in a controlled lab setting. Results may not apply to real-world conditions or to people with different health profiles.

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 60 people

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

Started

May 2023

Expected to finish

Feb 2027

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: * Healthy, 18-40 years old. * BMI: 20-35 kg/m2 * Sleep at least 7h per night. * Willing to participate in \~9-weeks of testing and provided food. * Willing to adhere to all study procedures. Exclusion Criteria: * \<18 or \>40 years of age * \>35 body mass index (BMI). * Diagnosed sleeping disorders (i.e., sleep apnea, insomnia). * Gastrointestinal disorders or food allergies that would interfere with consuming the study supplements. * Drink alcohol in excess of 3 drinks/day or 14 drinks/week * Have any conditions or contraindications to blood draws. * Have been diagnosed with diabetes, liver, kidney, or other metabolic or endocrine dysfunction, or use diabetic medications other than metformin * Currently consume a low carbohydrate or ketogenic diet or have done so in the last 3 months * Have experienced weight loss of \>10% of your body weight within the last 6 months * Are pregnant, lactating, or planning on becoming pregnant during the study * Have any major psychiatric disorders (e.g., schizophrenia, bipolar disorder)

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Conditions

The condition(s) this trial relates to.

Sleep Deprivation

As listed by the trial registrant

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

Nutritional intervention Sleep deprivation

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

  • The Ohio State University

    RECRUITING

    Columbus, Ohio, 43210, United States

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