Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Jul 23, 2026, 8:09 PM EDT

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

Showing 25–38 of 14 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

North American Prodromal Synucleinopathy Consortium Stage 2

NCT05826457
Conditions
REM Sleep Behavior Disorder, Parkinson Disease, Lewy Body Dementia, Dementia With Lewy Bodies, Multiple System Atrophy, REM Sleep Parasomnias
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
8
States / cities
Los Angeles, California • Redwood City, California • Atlanta, Georgia + 5 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
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
Autism, Cognition Disorder
Interventions
Donepezil hydrochloride, Increase REM sleep percentage
Drug · Behavioral
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
2 Years to 10 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
REM Behavior Disorder, Parkinson Disease
Interventions
Not listed
Lead sponsor
CND Life Sciences
Other
Eligibility
50 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
18
States / cities
Scottsdale, Arizona • Aliso Viejo, California • Los Angeles, California + 14 more
Conditions
REM Behavior Disorder
Interventions
Tasimelteon
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
REM Sleep Behavior Disorder
Interventions
Not listed
Lead sponsor
The Parkinson's Institute
Other
Eligibility
21 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Sunnyvale, California
Conditions
Movement Disorders (Incl Parkinsonism), Tremor Familial Essential, 1, REM Sleep Behavior Disorder
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Dementia With Lewy Bodies, Parkinson Disease, REM Sleep Behavior Disorder
Interventions
Skin biopsy, Speech testing, Ultra high field 7T MRI
Diagnostic Test
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Rapid Eye Movement Sleep Behavior Disorder, Parkinson Disease
Interventions
Immediate Release Melatonin, Extended Release Melatonin
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Jacksonville, Florida
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Sleep Profiles in REM Sleep Behavior Disorder

NCT04886076
Conditions
Rapid Eye Movement Sleep Behavior Disorder
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Parkinson Disease, REM Behavior Disorder
Interventions
Sleep, PD and DBS
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Chronic Insomnia, Sleep Deprivation, REM Behavior Disorder, REM Sleep Behavior Disorder, REM Sleep Measurement, Insomnia, Insomnia Related to Specified Disorder, Insomnia Due to Other Mental Disorder, Insomnia Comorbid to Psychiatric Disorder, Insomnia Due to Anxiety and Fear, Insomnia Related to Another Mental Condition, Insomnia Disorders, Idiopathic Hypersomnia, Sleep Disorders, Circadian Rhythm, Post Trauma Nightmares, PTSD - Post Traumatic Stress Disorder, Sleep Quality, Anesthesia, Anxiety, Depression, Mental Health, Alzheimer Disease or Associated Disorder, Parkinsons, Circadian Rhythm, Circadian Dysregulation, PTSD, Post-Traumatic, Post-Traumatic Stress Disorder Complex, Military Combat Stress Reaction, Sleep, Military Activity, Veterans, Shift Work Sleep Disorder, Menopause Related Conditions, Pain, Cancer Pain, Athletes
Interventions
PROSOMNIA Sleep Therapy™ (PSTx), Anesthesia-Induced Sleep Therapy, Diprivan (propofol), Astra-Zeneca, Continuous EEG Monitoring
Procedure · Drug · Device
Lead sponsor
Nyree Penn
Industry
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Aventura, Florida
Conditions
REM Sleep Behavior Disorder
Interventions
ramelteon, placebo
Drug
Lead sponsor
Sleep Medicine Centers of WNY
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
West Seneca, New York