PET Study of Non-Motor Symptoms of Parkinson Disease
PET Study of Biochemistry and Metabolism of the CNS: Parkinson Disease
1 other identifier
observational
242
1 country
1
Brief Summary
This research plan is focused on neurochemical positron emission tomography (PET) studies of Parkinson disease (PD). PD is the most common neurodegenerative movement disorder, and considerable progress has been made in understanding and treating the "typical" movement abnormalities of resting tremor, bradykinesia and rigidity. These cardinal PD features are all initially responsive to dopamine replacement therapy, and have been investigated intensively with respect to their relationships to degeneration of the nigrostriatal dopamine projection. More recently, increased attention has focused on the "non-motor" clinical aspects of PD, including cognitive, mood, chronobiological and peripheral autonomic defects. These clinical features are less reliably affected by dopaminergic therapy, and are likely to be associated with other, non-dopaminergic neural degenerations. Indeed, detailed postmortem assessments of PD brain reveal substantial neuronal losses in a variety of chemically-defined neurons, including brainstem serotonin and norepinephrine neurons and basal forebrain cholinergic neurons. Projects in the proposal will focus on dementia, depression, sleep-apnea and dysautonomia in PD patients, employing PET measures of presynaptic dopaminergic, serotoninergic and cholinergic CNS neurons and of peripheral sympathetic neurons. Results of the investigations may identify associations of non-motor PD signs and symptoms with the non-dopaminergic neuronal losses. These findings will establish additional therapeutic targets for symptomatic, but also for potential neuroprotective PD therapies. In addition, a majority of patients will be characterized with all 3 CNS PET measures. The availability of multiple markers of distinct neuronal populations involved in PD neurodegeneration will permit exploratory analyses to assess whether the degenerations are correlated (possibly manifestations of a common pathophysiology) or apparently independent (possibly a manifestation of multiple PD subtypes or pathophysiologies). Ultimately, better understanding of these non-motor features will be essential to developing future treatments that address the entire PD patient.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Sep 2008
Longer than P75 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2008
CompletedFirst Submitted
Initial submission to the registry
March 26, 2012
CompletedFirst Posted
Study publicly available on registry
March 28, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
July 1, 2014
CompletedDecember 2, 2014
December 1, 2014
5.8 years
March 26, 2012
December 1, 2014
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
To asses the non-motor aspects of PD
The non-motor aspects that were studied included, sleep disorders, depression, memory, and autonomic system symptom.
at initial visit and at 2 years for memory (PIB) and autonomic system symptoms (DTBZ and HED)
Study Arms (2)
Parkinson disease patients
Healthy normal controls
Eligibility Criteria
Movement Disorders Clinic, Hospital, Primary Care, Community
You may qualify if:
- age 50 and above (40 for Normal Control population)
- diagnosed with PD
- Hoehn \& Yahr 1-4,
You may not qualify if:
- other disorders which may resemble PD
- unstable medical conditions
- significant neurological or psychiatric disorders
- taking certain medications such as acetylcholinesterase inhibitors, neuroleptics, psychostimulants, tricyclic antidepressants,
- contraindication to MRI (pacemakers, metal in eye, etc)
- recent exposure to significant amount of ionizing radiation
- pregnancy
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Michigan Health System
Ann Arbor, Michigan, 48109, United States
Related Publications (1)
Zhou Z, Muller MLTM, Kanel P, Chua J, Kotagal V, Kaufer DI, Albin RL, Frey KA, Bohnen NI. Apathy rating scores and beta-amyloidopathy in patients with Parkinson disease at risk for cognitive decline. Neurology. 2020 Jan 28;94(4):e376-e383. doi: 10.1212/WNL.0000000000008683. Epub 2019 Nov 15.
PMID: 31732566DERIVED
Biospecimen
Whole blood Saliva
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Nicolaas Bohnen, M.D., Ph.D.
University of Michigan
- PRINCIPAL INVESTIGATOR
Kirk Frey, M.D., Ph.D.
University of Michigan
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- M.D., Ph.D.
Study Record Dates
First Submitted
March 26, 2012
First Posted
March 28, 2012
Study Start
September 1, 2008
Primary Completion
July 1, 2014
Study Completion
July 1, 2014
Last Updated
December 2, 2014
Record last verified: 2014-12