Probiotic trial for depression in Parkinson’s disease
Part of Brain & nervous system clinical trials.
This Phase 2 study tests whether taking probiotics can improve depression and mood symptoms in people with Parkinson’s disease. It’s meant for those with mild to moderate depression and stable Parkinson’s and mood treatments.
Summary written for real people, not researchers, by Clin2.
Who can take part
- A doctor has diagnosed Parkinson’s disease (not a similar condition) and you meet specific diagnostic standards
- You are between 40 and 80 years old
- Your Parkinson’s is mild to moderate (stage 1 to 3 while your symptoms are in the “ON” state)
- Your depression is mild to moderate (Beck Depression Inventory score between 14 and 28 while in the “ON” state)
- You can have screening tests in English, and you can follow the study for the full time (including keeping your usual activity level)
- If you can become pregnant: you agree to reliable birth control and have a negative pregnancy test at screening and again at the start of the study
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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