Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 10:10 AM EDT

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Showing 1–24 of 24 matching trials from the live ClinicalTrials.gov search.
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Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
Thomas Jefferson University
Other
Eligibility
50 Years to 80 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed No phase listed Observational Accepts healthy volunteers

Systemic Synuclein Sampling Study (S4)

NCT02572713
Conditions
Parkinson's Disease
Interventions
Biofluid samplings, Tissue samplings, DaTSCAN™
Procedure · Drug
Lead sponsor
Michael J. Fox Foundation for Parkinson's Research
Other
Eligibility
40 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
5
States / cities
Birmingham, Alabama • Scottsdale, Arizona • New Haven, Connecticut + 2 more
Conditions
REM Sleep Behavior Disorder, Pre-motor Parkinson's Disease, Symptomatic Parkinson Disease
Interventions
Terazosin
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
50 Years to 85 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Alzheimer Disease, Healthy Volunteers, Progressive Supranuclear Palsy
Interventions
[18F]MNI-958, [18F]Florbetapir, DaTscan
Drug
Lead sponsor
Molecular NeuroImaging
Other
Eligibility
50 Years to 90 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Parkinsonian Syndromes
Interventions
DaTSCAN SPECT imaging
Procedure
Lead sponsor
GE Healthcare
Industry
Eligibility
18 Years and older
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Princeton, New Jersey
Conditions
Essential Tremor, Parkinson's Disease
Interventions
DaTscan™ - Non-Caucasian Participants, DaTscan™ - Caucasian Participants
Other
Lead sponsor
GE Healthcare
Industry
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Marlborough, Massachusetts
Conditions
Dementia, Parkinsonism, Mild Cognitive Impairment, REM Sleep Behavior Disorder
Interventions
I-123 Ioflupane solution injection prior to SPECT scan (DaTscan), Single photon emission computed tomography (SPECT) scan
Drug · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 90 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Parkinson Disease
Interventions
Not listed
Lead sponsor
Michael J. Fox Foundation for Parkinson's Research
Other
Eligibility
30 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
3
States / cities
New Haven, Connecticut • Boston, Massachusetts • Philadelphia, Pennsylvania
Conditions
Parkinson Disease, REM Sleep Behavior Disorder, Healthy
Interventions
(11C)PE2I, Ioflupane
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
20 Years to 100 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
New York, New York
Conditions
Parkinson Disease
Interventions
DaTscan
Drug
Lead sponsor
Ken Marek, MD
Other
Eligibility
30 Years and older
Enrollment
952 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
21
States / cities
Birmingham, Alabama • Sun City, Arizona • La Jolla, California + 17 more
Conditions
Alzheimer Disease, Parkinson Disease, Healthy Volunteers
Interventions
[18F]MNI-1126
Drug
Lead sponsor
Invicro
Other
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Parkinson Disease, Movement Disorders
Interventions
l-123 Ioflupane
Drug
Lead sponsor
Wisconsin Institute for Neurologic and Sleep Disorders S.C.
Industry
Eligibility
75 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
2
States / cities
Milwaukee, Wisconsin
Completed No phase listed Observational Accepts healthy volunteers

Parkinsonism in Spinocerebellar Ataxia Type 6

NCT01934998
Conditions
Spinocerebellar Ataxia Type 6
Interventions
Not listed
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Symptomatic Parkinson Disease, REM Sleep Behavior Disorder, Pre-motor Parkinson's Disease
Interventions
Terazosin therapy
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
50 Years to 85 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Completed No phase listed Observational

DatScan With Prototype Collimator

NCT02455219
Conditions
Parkinson Disease
Interventions
Prototype UHRSZ (UltraHigh Resolution Smart Zoom) Collimator
Device
Lead sponsor
University of Minnesota
Other
Eligibility
50 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Parkinson's Disease
Interventions
Diffusion Weighted Imaging (DWI)
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Parkinson's Syndrome
Interventions
NAV5001, DaTscan
Drug
Lead sponsor
Navidea Biopharmaceuticals
Industry
Eligibility
40 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Phoenix, Arizona • Orlando, Florida
Completed No phase listed Observational Accepts healthy volunteers

Imaging Biomarkers of Delayed Sequelae in Trauma Brain Injury

NCT01516281
Conditions
Traumatic Brain Injury, Parkinson's Disease
Interventions
Not listed
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 100 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Evanston, Illinois
Conditions
Alzheimer's Disease, Lewy Body Dementia, Parkinson's Disease
Interventions
DaTscan, F18-AV-45, FDG-PET, APOE genotype, Polysomnogram, Clinical Assessment
Radiation · Genetic · Procedure + 1 more
Lead sponsor
Douglas Scharre
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Parkinson Disease
Interventions
Ioflupane I 123
Drug
Lead sponsor
Julie Gurwell
Other
Eligibility
40 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Apraxia of Speech, Non-fluent Aphasia, Primary Progressive Aphasia, Primary Progressive Nonfluent Aphasia
Interventions
Testing protocol for the study
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Completed No phase listed Observational Accepts healthy volunteers

Parkinson's Disease Biomarker Program

NCT01767818
Conditions
Parkinson's Disease
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
30 Years and older
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Parkinson Disease
Interventions
Group A - Early Imaging, Group B - Delayed Imaging
Radiation
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
REM Sleep Behavior Disorder, Pre-motor Parkinson Disease, Symptomatic Parkinson Disease
Interventions
Carvedilol
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Los Angeles, California