Parkinson's Disease Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
For people with Parkinson's disease:
- You are a man or woman between 50 and 75 years old.
- You have been clinically diagnosed with Parkinson's disease based on recognised diagnostic guidelines.
- You have at least two of these symptoms: resting tremor, slow movement, or muscle stiffness (at least one must be resting tremor or slow movement); or you have tremor or slow movement that affects one side of your body more than the other.
- You are able to give your own informed consent to participate.
For healthy volunteers:
- You are a healthy individual whose age (within 2 years) and sex matches a Parkinson's disease participant in the trial.
- You are able to give your own informed consent to participate.
Who may not be able to join:
For people with Parkinson's disease:
- Your Parkinson's-like symptoms are caused by medications, metabolic conditions, brain infections, or other degenerative brain diseases rather than Parkinson's disease itself.
- You have been diagnosed with dementia by a doctor.
- A previous MRI brain scan showed a significant neurological (brain or nerve) condition (confirm with trial site).
- You have a serious illness such as heart failure or cancer.
- You smoke more than 15 cigarettes a day, or you have a history of alcohol or drug addiction.
- You have an inflammatory bowel or gut disease.
- You have a long-term condition that may affect gut bacteria, such as diabetes, liver cirrhosis, or cardiovascular disease.
- You have a blood disorder, an autoimmune disease, or you have taken immune-suppressing medication in the past 3 months.
- You have taken antibiotics within the 3 months before providing a sample.
- You suffer from chronic constipation.
For healthy volunteers:
- A close biological relative (parent, brother, sister, or child) has been diagnosed with Parkinson's disease.
- You have, or have previously had, a significant neurological condition (confirm with trial site).
- A previous MRI brain scan showed a significant neurological condition (confirm with trial site).
- You have taken certain medications — including antipsychotics, metoclopramide, or reserpine — in the 6 months before screening.
- You have an inflammatory bowel or gut disease.
- You smoke more than 15 cigarettes a day, or you have a history of alcohol or drug addiction.
- You have a long-term condition that may affect gut bacteria, such as diabetes, liver cirrhosis, or cardiovascular disease.
- You have a blood disorder, an autoimmune disease, or you have taken immune-suppressing medication in the past 3 months.
- You have taken antibiotics within the 3 months before providing a sample.
- You suffer from chronic constipation.
- You are currently taking part in another clinical trial.
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Phone: 86-0571-86915303
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Gut microbiome profiling
Can't join this trial?
Data last synced from ClinicalTrials.gov: 13 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.