Clinical trial Recruiting at 1 site Observational Ages 50 and up

Investigating dementia types in Parkinson's disease using brain imaging

Official title: Investigations of Dementia in Parkinson Disease

Run by Washington University School of Medicine · NCT02763683 · Data updated 2026-11-12

This study is trying to see if special brain scans can help identify different types of dementia in people with Parkinson's disease and find out who might be at risk.

Quick facts

Study typeObservational
Ages50 Years and up
SexAll
Enrollment320 (estimated)
SponsorWashington University School of Medicine
Academic / other
Locations1 site (St Louis, Missouri)
StatusRecruiting
StartedJune 2016
Main results expectedMarch 2030
Study endsMarch 2030
Registry record updatedMay 8, 2026
Trial IDNCT02763683 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are individuals diagnosed with Parkinson's disease who exhibit specific motor symptoms.

Probably not a fit

Patients with significant neurological or psychiatric conditions other than Parkinson's disease or dementia may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study aims to utilize advanced brain imaging techniques, specifically Pittsburgh B (PIB) Positron Emission Tomography (PET) and Vesicular Cholinergic Transport (VAT) PET, to identify different subtypes of dementia in patients with Parkinson's disease (PD). By including both PD patients and healthy subjects, the research seeks to determine which individuals with PD are at risk of developing dementia and to clarify the underlying causes of dementia. The study plans to enroll a total of 320 participants over a long-term period.

Why it matters

Potential benefit: If successful, this study could lead to better identification and understanding of dementia in Parkinson's patients, potentially improving patient management and treatment strategies.

How similar studies have gone: Other studies using similar imaging techniques have shown promise in understanding dementia, suggesting that this approach may yield valuable insights.

Who can join: the full rules

Show full inclusion / exclusion 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 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.

Where it's running

  • Washington University in St. Louis
    St Louis, Missouri, United States
    Recruiting

Study contacts

  • Principal investigator: Joel S Perlmutter, MD — Washington University School of Medicine
  • Study coordinator: Andrea Slavik, RN, BSN
  • Email: andreaslavik@wustl.edu
  • Phone: 314 273 8313

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.