Gut feeling: could a probiotic lift mood in Parkinson's?
NCT ID NCT05568498
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether a daily probiotic supplement can help treat depression in people with Parkinson's disease. Sixty adults with mild to moderate Parkinson's and depression will take either the probiotic or a placebo for 12 weeks. Researchers will measure changes in mood and fatigue using standard questionnaires.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Probiotic (Ecologic® BARRIER 849)
What this could lead to
If it works, this could offer a simple, natural way to improve mood in people with Parkinson's disease.
What could go wrong
This is a small, early-phase trial. The probiotic may not work better than a placebo, and results may not apply to everyone with Parkinson's.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Pacific Parkinson's Research Centre
RECRUITINGVancouver, British Columbia, V6T2B5, Canada
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact