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Tart cherry supplement shows promise for better sleep and less inflammation

NCT ID NCT05700643

Symptom relief Sponsor: Michigan State University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested whether taking Montmorency cherry supplements could improve sleep and reduce inflammation in adults with sleep problems and higher body weight. Thirty-four participants took either the cherry supplement or a placebo for a period of time. Researchers measured sleep duration, quality, and insomnia symptoms, along with inflammatory markers in the blood.

What this could mean

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

Active substance
Montmorency cherry supplement
What this could lead to
If it works, this could point toward a natural way to improve sleep and reduce inflammation.
What could go wrong
This is a small, early-phase study with only 34 participants, so results may not apply widely. The supplement may not outperform placebo.

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

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

34 people

The number who actually took part.

Started

Feb 2023

Finished

Apr 2024

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 50 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: * body mass index (BMI) of ≥ 25.0 kg/m2; * sleep issues as identified by a global score of 5 or greater on the Pittsburgh Sleep Quality Index (PSQI) and/or a score 8 or higher on the Insomnia Severity Index (ISI); * ability to adhere to a diet low in antioxidants during the study period; and * willingness to wear a Fitbit for the duration of the study and to wear the Zmachine on selected nights. Exclusion Criteria: * unwilling or unable to stop the use of sleep medication * unable to attend laboratory visits on the East Lansing, Michigan campus

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Conditions

The condition(s) this trial relates to.

Inflammation inflammatory disease insomnia

As listed by the trial registrant

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

Inflammation Insomnia chronic

Contacts and locations

Locations

  • Michigan State University

    East Lansing, Michigan, 48824, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.