Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jun 25, 2026, 11:42 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Mild Cognitive Impairment, Mild Dementia, Parkinson Disease, Lewy Body Disease
Interventions
Placebo Oral Capsule, NYX-458
Drug
Lead sponsor
Aptinyx
Industry
Eligibility
50 Years to 80 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
26
States / cities
Scottsdale, Arizona • Fresno, California • Simi Valley, California + 20 more
Conditions
Parkinson Disease, Prodromal Stage, Neurodegenerative Diseases, Basal Ganglia Diseases, Central Nervous System Diseases, Synucleinopathies, Nervous System Diseases, Cerebral Disorder, Brain Diseases, Parkinsonian Disorders, Genetic Predisposition
Interventions
Increase of physical activity volume and intensity with the use of a motivational smartphone application
Behavioral
Lead sponsor
Radboud University Medical Center
Other
Eligibility
50 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Rochester, 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
Prodromal Parkinsons Disease
Interventions
[18F] AV-133 PET Imaging
Drug
Lead sponsor
Michael J. Fox Foundation for Parkinson's Research
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
New Haven, Connecticut • Philadelphia, Pennsylvania
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
Not yet recruiting No phase listed Observational Accepts healthy volunteers

GBPDC: Gut-Brain in PD Consortium Master Protocol

NCT07567794
Conditions
Parkinson Disease (PD), PARKINSON DISEASE (Disorder), Gut Microbiome, Gut Microbiota, Prodromal Parkinsons Disease
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
21 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
7
States / cities
Stanford, California • Chicago, Illinois • Boston, Massachusetts + 3 more
Recruiting No phase listed Observational Accepts healthy volunteers

PPMI Clinical - Establishing a Deeply Phenotyped PD Cohort

NCT04477785
Conditions
Parkinson Disease
Interventions
Not listed
Lead sponsor
Michael J. Fox Foundation for Parkinson's Research
Other
Eligibility
30 Years and older
Enrollment
4,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2033
U.S. locations
30
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 25 more
Recruiting No phase listed Observational Accepts healthy volunteers

Parkinson Progression Marker Initiative Online (PPMI Online)

NCT05065060
Conditions
Parkinson Disease
Interventions
Observation
Other
Lead sponsor
Michael J. Fox Foundation for Parkinson's Research
Other
Eligibility
18 Years and older
Enrollment
500,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2041
U.S. locations
1
States / cities
San Francisco, California