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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: REM Behavior Disorder Clear all
Completed No phase listed Observational Accepts healthy volunteers

MRI Study of Brain Activity in Healthy Adults and Individuals With Parkinsonism and Rapid Eye Movement Disorder.

NCT01547481
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 16, 2018 · Synced Sep 2, 2026, 10:18 AM EDT
Active, not recruiting No phase listed Observational

Quantification of Phosphorylated Alpha-synuclein in Cutaneous Biopsies as a Prospective Biomarker in Parkinson's Disease

NCT06621602
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Sep 2, 2026, 10:18 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Neuroplasticity in RBD

NCT05471960
View directory record Official record
Conditions
REM Sleep Behavior Disorder
Interventions
Natural progression over time
Other
Lead sponsor
University of Minnesota
Other
Eligibility
21 Years to 75 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 2, 2026, 10:18 AM EDT
Recruiting No phase listed Observational

Natural History Study of Synucleinopathies

NCT01799915
View directory record Official record
Conditions
Patients With Synucleinopathies, Neurogenic Orthostatic Hypotension, Pure Autonomic Failure, REM Sleep Behavior Disorder, Parkinson Disease, Dementia With Lewy Bodies, Multiple System Atrophy, Shy-Drager Disease
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
5
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 2, 2026, 10:18 AM EDT
Enrolling by invitation No phase listed Observational

North American Prodromal Synucleinopathy Consortium

NCT03623672
View directory record Official record
Conditions
REM Sleep Behavior Disorder, Parkinson Disease, Lewy Body Disease, 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
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
9
States / cities
Sun City, Arizona • Los Angeles, California • Redwood City, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Sep 2, 2026, 10:18 AM EDT
Recruiting Phase 2 Interventional

An Exploratory Study of the Potential for Rational Immune System Manipulation to Prevent Emergence of Synucleinopathy Manifestations in Persons With REM Sleep Behavior Disorder (RBD)

NCT06996652
View directory record Official record
Conditions
REM Sleep Behavior Disorder
Interventions
Adalimumab, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
50 Years to 80 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
18
States / cities
Los Angeles, California • Aurora, Colorado • North Haven, Connecticut + 14 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 2, 2026, 10:18 AM EDT
Not listed No phase listed Observational

Subcortical Oscillations in Human Sleep Dysregulation

NCT03377569
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 12, 2024 · Synced Sep 2, 2026, 10:18 AM EDT
Active, not recruiting Phase 2 Interventional

Terazosin and Parkinson's Disease Extension Study

NCT05109364
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 2, 2026, 10:18 AM EDT
Terminated Phase 2 Interventional Results available

A Trial of the Drug Donepezil for Sleep Enhancement and Behavioral Change in Children With Autism

NCT01887132
View directory record Official record
Conditions
Autism Spectrum Disorders
Interventions
Donepezil, Placebo
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
24 Months to 50 Months
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 2, 2026, 10:18 AM EDT
Active, not recruiting Phase 2 Interventional

Terazosin Effect on Cardiac Changes in Early Parkinson's Disease

NCT04386317
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 2, 2026, 10:18 AM EDT
Completed Phase 4 Interventional

Study to Determine Whether Ramelteon Helps People With REM Sleep Behavior Disorder

NCT01401413
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 24, 2011 · Synced Sep 2, 2026, 10:18 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

RBD Longitudinal as Prognostic for PD

NCT00817726
View directory record Official record
Conditions
Rapid Eye Movement Sleep Behavior Disorder
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
35 Years to 70 Years
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Sep 2, 2026, 10:18 AM EDT
Recruiting No phase listed Observational

Colonic Tissue Biopsy Detection of Phosphorylated Alpha-synuclein for Parkinson's Diagnosis or REM Sleep Behavior Disorder

NCT07217054
View directory record Official record
Conditions
PARKINSON DISEASE (Disorder), Parkinson, Parkinson s Disease, Parkinson Disease
Interventions
Not listed
Lead sponsor
CND Life Sciences
Other
Eligibility
40 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Branford, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Sep 2, 2026, 10:18 AM EDT
Completed Phase 4 Interventional Results available

Treatment of REM Sleep Behavior Disorder (RBD) With Sodium Oxybate

NCT04006925
View directory record Official record
Conditions
REM Sleep Behavior Disorder, Parkinson Disease
Interventions
Sodium Oxybate, Placebo
Drug · Other
Lead sponsor
Stanford University
Other
Eligibility
40 Years to 85 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Sep 2, 2026, 10:18 AM EDT
Completed No phase listed Observational

Study of Sleep and Delirium in the Intensive Care Unit (ICU)

NCT01280097
View directory record Official record
Conditions
Delirium, Sleep Disorders, Circadian Rhythm
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
45 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2015 · Synced Sep 2, 2026, 10:18 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

A Pilot Biomarker Study Assessing Alpha-synuclein Aggregates Across Biofluid Reservoirs in Patients With Synucleinopathies

NCT04020198
View directory record Official record
Conditions
Parkinson Disease, Multiple System Atrophy, Rapid Eye Movement Sleep Behavior Disorder, Normal Pressure Hydrocephalus
Interventions
Biomarker assay
Other
Lead sponsor
Stony Brook University
Other
Eligibility
50 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Sep 2, 2026, 10:18 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Detecting Parkinson's Disease Through Speech Analysis

NCT03133611
View directory record Official record
Conditions
Parkinson Disease, REM Sleep Behavior Disorder
Interventions
Speech assessment, Routine clinical assessment
Other
Lead sponsor
Czech Technical University in Prague
Other
Eligibility
50 Years to 80 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 8, 2019 · Synced Sep 2, 2026, 10:18 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Sleep Profiles in REM Sleep Behavior Disorder

NCT04886076
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Sep 2, 2026, 10:18 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

5-HT RBD REM Sleep Behavior Disorder

NCT06467461
View directory record Official record
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
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 2, 2026, 10:18 AM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Evaluating the Efficacy and Safety of PROSOMNIA Sleep Therapy™ in Patients With Sleep Deprivation and Chronic Insomnia

NCT06644573
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 27, 2025 · Synced Sep 2, 2026, 10:18 AM EDT
Completed Phase 2 Interventional Results available

Study Evaluating Nelotanserin for Treatment of REM Sleep Behavior Disorder in Subjects With Dementia (DLB or PDD)

NCT02708186
View directory record Official record
Conditions
Dementia With Lewy Bodies, REM Sleep Behavior Disorder, Parkinson's Disease Dementia
Interventions
Nelotanserin, Placebo
Drug
Lead sponsor
Axovant Sciences Ltd.
Industry
Eligibility
50 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
23
States / cities
Birmingham, Alabama • Phoenix, Arizona • Sun City, Arizona + 20 more
Source: ClinicalTrials.gov public record
Updated May 19, 2020 · Synced Sep 2, 2026, 10:18 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Providing "Good Sleep" for ICU Sedation

NCT01342328
View directory record Official record
Conditions
Sleep Disorders
Interventions
Normal saline infusion, Dexmedetomidine, Propofol
Other · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 45 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 2, 2026, 10:18 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Ultra High Field Magnetic Resonance Imaging as a Biomarker for Premotor Parkinson's Disease

NCT03288909
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 23, 2019 · Synced Sep 2, 2026, 10:18 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Retinal Abnormalities as Biomarker of Disease Progression and Early Diagnosis of Parkinson Disease

NCT02640339
View directory record Official record
Conditions
Parkinson Disease, Multiple System Atrophy, REM Sleep Behavior Disorder, Pure Autonomic Failure, Dementia With Lewy Bodies
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 1, 2020 · Synced Sep 2, 2026, 10:18 AM EDT