No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
Healthy Volunteers Welcome
You do not need to have the condition being studied to take part.
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
50 and older
Sex
Any
Study type
Observational
Participants needed
320 (estimated)
Sponsor
Washington University School of Medicine · Other
Who this trial is looking for
This trial is looking for people with Parkinson's disease who may be at risk of developing dementia. Participants will undergo brain imaging to help understand different types of dementia in these patients.
Are You a Good Fit for This Trial?
You may be able to join if
I have been diagnosed with Parkinson's disease
I have three of the following symptoms: rest tremor, rigidity, bradykinesia, or postural instability
I have two of these symptoms, with one being more pronounced on one side
You may not be able to join if
I have a history of head trauma
I have major neurological or psychiatric conditions besides Parkinson's disease and dementia
I have severe systemic diseases
I cannot lie still for 90 minutes
I have metallic implants or a pacemaker
I refuse to consent to brain donation
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 purpose of this study is to use a brain imaging method called Pittsburgh B (PIB) Positron Emission Tomography (PET) and Vesicular Cholinergic Transport (VAT) PET to determine dementia subtypes in patients with Parkinson disease (PD). The ultimate goal of this project is to be able to identify individuals with PD who are at risk of developing dementia, and to distinguish the underlying cause of…
The purpose of this study is to use a brain imaging method called Pittsburgh B (PIB) Positron Emission Tomography (PET) and Vesicular Cholinergic Transport (VAT) PET to determine dementia subtypes in patients with Parkinson disease (PD). The ultimate goal of this project is to be able to identify individuals with PD who are at risk of developing dementia, and to distinguish the underlying cause of dementia.
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* PD patients must exhibit three of the following cardinal signs: rest tremor, rigidity, bradykinesia, or postural instability; or two of these features with one of the first three displaying asymmetry.
Exclusion Criteria:
* history of head trauma, major neurological or psychi…
Inclusion Criteria:
* PD patients must exhibit three of the following cardinal signs: rest tremor, rigidity, bradykinesia, or postural instability; or two of these features with one of the first three displaying asymmetry.
Exclusion Criteria:
* history of head trauma, major neurological or psychiatric diseases other than Parkinson disease and dementia, e.g. stroke, multiple sclerosis, depression or schizophrenia.
* severe systemic diseases.
* inability to lie still for 90 minutes.
* metallic implants, pacemakers, or any other contraindication to MRI.
* refusal to consent to brain donation.
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