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Could a simple drink ease Parkinson's constipation?

NCT ID NCT06697626

Symptom relief Sponsor: University of Ulster 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jul 02, 2026 · Updated 2 times

Summary

This study tests a new functional drink made with chicory inulin, B-vitamins, and vitamin D to see if it can improve constipation and overall well-being in people with Parkinson's disease. About 56 participants will drink either the active supplement or a placebo twice daily for 12 weeks. Researchers will measure changes in diet, gut health, Parkinson's symptoms, and quality of life.

What this could mean

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

Active substance
A functional drink containing chicory inulin, folic acid, vitamin B12, vitamin B6, riboflavin, and vitamin D
What this could lead to
If it works, this could provide a simple dietary supplement to help manage constipation and improve nutrition and quality of life for people with Parkinson's.
What could go wrong
This is a small, early feasibility study with only 56 participants, so results may not apply widely. The drink may not significantly improve symptoms or could cause digestive discomfort.

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

37 people

The number who actually took part.

Started

Nov 2024

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 years and older

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: * Diagnosis of Parkinson Disease (PD) * Aged ≥18 years * Individuals with the capacity to provide informed consent Exclusion Criteria: * Individuals with PD living in institutional care or in hospital * Drug, infection or toxin induced parkinsonism * Individuals with diabetes * B12 injection users * Currently taking antibiotics * Using supplements containing the nutrients of interest (B-vitamins, inulin, probiotics) * Any other medical, cognitive or psychosocial issue, or co-enrolment in another study, that could interfere or disrupt adherence to the study requirements * An allergy to any of the ingredients in the functional and/or control drinks * Consuming a fermented food and/or probiotic yogurts on a daily basis

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Conditions

The condition(s) this trial relates to.

constipation disorder Parkinson disease

As listed by the trial registrant

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

Constipation Parkinson disease

Contacts and locations

Locations

  • Human Intervention Studies Unit, Ulster University

    Coleraine, County Londonderry, BT52 1SA, United Kingdom

More trials for these conditions

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