Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 15, 2026, 11:50 AM EDT

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Showing 361–384 of 2,092 matching trials from the live ClinicalTrials.gov search.
Conditions
Parkinson's Disease
Interventions
rAAV-GAD
Biological
Lead sponsor
Neurologix, Inc.
Industry
Eligibility
30 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
6
States / cities
Stanford, California • Aurora, Colorado • Boston, Massachusetts + 3 more
Conditions
Parkinson's Disease, Depression, Anxiety
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
40 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
2
States / cities
St Louis, Missouri • Cincinnati, Ohio
Completed No phase listed Observational Accepts healthy volunteers

Sensory Symptoms in Tourette Syndrome and Obsessive-Compulsive Disorder

NCT04335175
Conditions
Tourette Syndrome, Obsessive-Compulsive Disorder, Sensory Disorders
Interventions
None - observational study
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Parkinson Disease
Interventions
AKST4290, Placebo
Drug
Lead sponsor
Alkahest, Inc.
Industry
Eligibility
50 Years to 80 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Atlanta, Georgia • West Bloomfield, Michigan • Tulsa, Oklahoma
Conditions
Parkinson Disease, Parkinson Disease, Idiopathic
Interventions
Community Walking Program
Behavioral
Lead sponsor
St. Louis University
Other
Eligibility
30 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Parkinson Disease
Interventions
Phoressor II (IOMED)
Device
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
40 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Completed No phase listed Observational Accepts healthy volunteers

Child to Adult Neurodevelopment in Gene Expanded Huntington's Disease

NCT01860339
Conditions
Huntington's Disease
Interventions
Not listed
Lead sponsor
Peggy C Nopoulos
Other
Eligibility
6 Years to 30 Years
Enrollment
488 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2026
U.S. locations
6
States / cities
Sacramento, California • Iowa City, Iowa • New York, New York + 3 more
Conditions
Amyotrophic Lateral Sclerosis, Brainstem Stroke, Muscular Dystrophies, Parkinson's Disease and Parkinsonism, Multiple System Atrophy, Brain Tumor Adult, Spinal Cord Injuries, Locked-in Syndrome
Interventions
BCI-FIT multi-modal access, BCI-FIT adaptive signal modeling, BCI-FIT active querying, BCI-FIT language modeling
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 89 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Completed No phase listed Observational Accepts healthy volunteers

In Vivo Imaging of Therapeutic Electric Current Flow

NCT02453763
Conditions
Parkinson Disease, Epilepsy, Alzheimer's Disease, Stroke, Autism, Depression, Schizophrenia
Interventions
Transcranial direct current stimulation, MRI
Device · Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 30 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Parkinson Disease
Interventions
HB-adMSCs, Placebo
Biological · Other
Lead sponsor
Hope Biosciences Research Foundation
Industry
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Sugar Land, Texas
Conditions
Parkinson's Disease
Interventions
Allogeneic bone marrow-derived MSCs (1 x 10 6 MSC/kg), Allogeneic bone marrow-derived MSCs (3 x 10 6 MSC/kg), Allogeneic bone marrow-derived MSCs (6 x 10 6 MSC/kg), Allogeneic bone marrow-derived MSCs (10 x 10 6 MSC/kg)
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
45 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Houston, Texas
Conditions
Huntington's Disease
Interventions
Tetrabenazine
Drug
Lead sponsor
William Ondo, MD
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Houston, Texas
Conditions
Movement Disorders, Parkinson Disease, Essential Tremor, Tremor, Dystonia
Interventions
Infinity DBS System with MR Conditional labelling
Device
Lead sponsor
Abbott Medical Devices
Industry
Eligibility
Not listed
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
9
States / cities
Tucson, Arizona • Aurora, Colorado • Littleton, Colorado + 6 more
Conditions
Parkinson's Disease
Interventions
PF-06649751
Drug
Lead sponsor
Pfizer
Industry
Eligibility
30 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
16
States / cities
Fountain Valley, California • Long Beach, California • Englewood, Colorado + 10 more
Conditions
Multiple System Atrophy
Interventions
Foralumab Nasal
Drug
Lead sponsor
Tiziana Life Sciences LTD
Industry
Eligibility
30 Years to 85 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Parkinson's Disease
Interventions
PARCOPA
Drug
Lead sponsor
UCB Pharma
Industry
Eligibility
18 Years and older
Timeline
2004
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Parkinson Disease, REM Sleep Behavior Disorder
Interventions
MRI
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Parkinson Disease
Interventions
Summit RC+S
Device
Lead sponsor
Doris Wang, MD, PhD
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
1
States / cities
San Francisco, California
Recruiting Phase 1 Interventional Accepts healthy volunteers

[18F]F-DOPA Imaging in Patients With Autonomic Failure

NCT04246437
Conditions
Autonomic Failure, Pure Autonomic Failure, Parkinson Disease, Multiple System Atrophy, Dementia With Lewy Bodies
Interventions
[18F]FDOPA, Carbidopa 200mg oral dose, Entacapone 400mg oral dose
Drug
Lead sponsor
Daniel Claassen
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Persistent Tic Disorders, Tourette Disorder
Interventions
Comprehensive Behavioral Intervention for Tics - Enhanced (CBIT-E)
Behavioral
Lead sponsor
Marquette University
Other
Eligibility
9 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Healthy, Mental Disorder, Obsessive Compulsive Disorder, Schizophrenia, Tourette Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Parkinson Disease
Interventions
Exablate 4000
Device
Lead sponsor
InSightec
Industry
Eligibility
30 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
6
States / cities
Palo Alto, California • Delray Beach, Florida • Chicago, Illinois + 2 more
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
Active, not recruiting No phase listed Observational

Parkinson's Disease Progression Study

NCT06219629
Conditions
Parkinson Disease
Interventions
Not listed
Lead sponsor
Koneksa Health
Industry
Eligibility
18 Years to 85 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
10
States / cities
Aurora, Colorado • Boca Raton, Florida • DeLand, Florida + 7 more