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Could a 30-Plant drink ease PTSD? new trial tests Gut-Brain link

NCT ID NCT07107269

Disease control Sponsor: Colorado 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 14, 2026 · Last updated Jul 15, 2026 · Updated 1 time

Summary

This trial investigates whether drinking a beverage made from 30 different organic vegetables daily for four weeks can improve gut microbiome diversity, reduce inflammation, and ease PTSD symptoms in adults diagnosed with PTSD. Participants are randomly assigned to receive either the high-diversity drink or a low-diversity drink made from three vegetables. The study measures changes in PTSD severity, gut bacteria, and markers of inflammation.

What this could mean

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

Active substance
a high-diversity plant beverage made from 30 organic vegetables
What this could lead to
If it works, this could point toward a simple dietary approach to help manage PTSD symptoms by improving gut health.
What could go wrong
This is a small, early-stage trial with only 40 participants, so results may not apply broadly. The effect on PTSD symptoms may be modest or absent.

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 40 people

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

Started

Jun 2025

Expected to finish

Dec 2026

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 60 years

Sex

Anyone

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: * Healthy adults (18-60 years old) * Diagnosis of PTSD * BMI\<35 * Willing to follow all study criteria Exclusion Criteria: * Antibiotic use within 3 months * BMI of 35 or higher * Vegan or vegetarian * Allergies to any intervention beverages * Unstable medication regimen * Any gastrointestinal diseases, cancer, CVD, diabetes, autoimmune disease, pregnant or breastfeeding * Any medication changes within last two months

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Conditions

The condition(s) this trial relates to.

combat disorder post-traumatic stress disorder

As listed by the trial registrant

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

PTSD, post traumatic stress disorder

Contacts and locations

Locations

  • Food and Nutrition Clinical Research Lab - Colorado State University

    Fort Collins, Colorado, 80523, United States

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