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Parkinson's diet study: could the MIND diet ease symptoms?

NCT ID NCT06207136

Symptom relief Sponsor: University of British Columbia 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether following a Mediterranean-style diet for 18 months is practical and beneficial for people with Parkinson's disease. Researchers will see if the diet is easy to stick with and if it leads to changes in gut bacteria or Parkinson's symptoms. About 40 participants without dementia will be randomly assigned to either the special diet or a standard diet, with coaching and cooking classes provided online.

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

Dec 2024

Expected to finish

Dec 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

40 to 80 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: Eligible if the person living with Parkinson's has/is: 1. a clinical diagnosis of PD, 2. cognitively stable (no clinical dementia), 3. between 40-80 years old, 4. able to travel to UBC for 6 onsite visits over 18 months, 5. sufficient English proficiency (coaching and cooking classes are in English only), 6. on a stable dopaminergic medication for at least one month before baseline, 7. computer and internet access at home, and can be available via video link for at least 80% of the study sessions. Exclusion Criteria: Not eligible, if person has/is: 1. a diagnosis of atypical parkinsonism, 2. medical or psychiatric conditions that would prevent full participation in the nutrition intervention (such as food allergies), significant dysphagia, diabetes on insulin, anti-coagulation on warfarin, and inflammatory bowel disease, 3. clinical dementia, 4. unable to complete questionnaires or understand study instructions, 5. using of immunomodulatory agents, 6. used Probiotics in the last 4 weeks prior to study start, 7. used Antibiotics in the last 3 months prior to study start, 8. contraindications for MRI.

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Conditions

The condition(s) this trial relates to.

Parkinson disease

As listed by the trial registrant

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

Diet, healthy Gastrointestinal microbiome Gut microbiome Parkinson disease

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

  • UBC Pacific Parkinson's Research Centre

    RECRUITING

    Vancouver, British Columbia, V6T 2B5, Canada

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