No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
Ready to participate?
Review the details below, then apply to join this clinical trial.
At a Glance
Age
40 – 99
Sex
Any
Study type
Observational
Participants needed
40 (estimated)
Sponsor
CND Life Sciences · Other
Who this trial is looking for
This trial is looking for men and women aged 40 to 99 who have Parkinson's disease or REM Sleep Behavior Disorder. Participants will provide tissue samples during a routine colonoscopy to check for a protein related to these conditions.
Are You a Good Fit for This Trial?
You may be able to join if
I am between 40 and 99 years old.
I have been diagnosed with Parkinson's disease.
I have been diagnosed with REM Sleep Behavior Disorder but not Parkinson's disease.
I have agreed to have a routine colonoscopy.
You may not be able to join if
I take anticoagulants, except Plavix or aspirin alone.
I am currently being treated for colon cancer.
I have an ongoing gastrointestinal illness.
I have had recent abdominal surgery.
I am pregnant or planning to become pregnant soon.
I have significant cognitive impairment.
Summarized in plain language from this trial's official eligibility criteria.
The full criteria are further down this page — only the research team can
confirm whether you qualify.
Think this trial could be right for you?
Answer three quick questions written from this study's own rules to see if you may qualify. No account needed to find out.
The goal of this observational study is to learn whether tissue samples taken from the colon during routine colonoscopy can detect signs of Parkinson's disease or REM Sleep Behavior Disorder (RBD). The main question it aims to answer is:
Can doctors find a protein called alpha-synuclein in colon tissue samples from people with Parkinson's disease and RBD?
Currently, Parkinson's disease is diagno…
The goal of this observational study is to learn whether tissue samples taken from the colon during routine colonoscopy can detect signs of Parkinson's disease or REM Sleep Behavior Disorder (RBD). The main question it aims to answer is:
Can doctors find a protein called alpha-synuclein in colon tissue samples from people with Parkinson's disease and RBD?
Currently, Parkinson's disease is diagnosed by observing symptoms like tremors and movement problems and RBD by loss of muscle atonia during REM sleep, but by then the disease has already progressed significantly. Earlier detection could help doctors start treatment sooner.
Trial Locations
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Status
Eligibility Criteria
Inclusion Criteria:
1. Relatively healthy men and women ≥40-99 years of age
2. Patients with a diagnosis of
1. Clinically confirmed PD or
2. Clinically confirmed RBD with no diagnosis of PD, DLB or MSA
3. Patients must have agreed to undergo a routine colonoscopy as part of their screening o…
Inclusion Criteria:
1. Relatively healthy men and women ≥40-99 years of age
2. Patients with a diagnosis of
1. Clinically confirmed PD or
2. Clinically confirmed RBD with no diagnosis of PD, DLB or MSA
3. Patients must have agreed to undergo a routine colonoscopy as part of their screening or surveillance for colon cancer or for diagnostic purposes for the exclusion of other GI diseases
Exclusion Criteria:
1. Use of anticoagulants (Plavix or aspirin alone is allowed)
2. Under active treatment for colon cancer; 30-day post anti-cancer treatment allowed
3. Current, ongoing gastrointestinal illness
4. Recent intrabdominal surgery
5. Pregnant or planning to become pregnant before the scheduled colonoscopy
6. Significant cognitive impairment, as determined by study investigators
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