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Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: REM Sleep Parasomnias Clear all
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

INSIGHT: Insomnia, Nightmares, and Sympathetic Hyperactivity Intervention

NCT07288593
View directory record Official record
Conditions
Nightmare, Insomnia, PTSD, TBI, Sleep Disorder (Disorder), REM Behavior Disorder
Interventions
NightWare smartwatch configured to detect physiological signs of sympathetic activation during sleep, such as heart-rate spikes and movement patterns., Sham (No Treatment)
Device
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years to 62 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Bethesda, Maryland • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Sep 21, 2026, 8:04 AM EDT
Terminated Early Phase 1 Interventional

The Effects of Tasimelteon in Participants With REM Behavior Disorder (RBD)

NCT05922995
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Sep 21, 2026, 8:04 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 21, 2026, 8:04 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Intestinal Immunity in Neurologic Disease

NCT06329453
View directory record Official record
Conditions
Multiple Sclerosis, Parkinson Disease, REM Sleep Behavior Disorder
Interventions
Colon Tissue Biopsy
Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 99 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
North Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Sep 21, 2026, 8:04 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 21, 2026, 8:04 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 21, 2026, 8:04 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 21, 2026, 8:04 AM EDT
Active, not recruiting Phase 2 Interventional

Adrenergic Blockers for Cardiac Changes in Early Parkinson's Disease (Protocol 53136)

NCT03775096
View directory record Official record
Conditions
REM Sleep Behavior Disorder, Pre-motor Parkinson Disease, Symptomatic Parkinson Disease
Interventions
Carvedilol
Drug
Lead sponsor
Michele Tagliati, MD
Other
Eligibility
50 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
Source: ClinicalTrials.gov public record
Updated Mar 1, 2026 · Synced Sep 21, 2026, 8:04 AM EDT
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 21, 2026, 8:04 AM EDT
Terminated Not applicable Interventional

Extended-Release Melatonin in Patients With Rapid Eye Movement Sleep Behavior Disorder

NCT05307770
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 28, 2024 · Synced Sep 21, 2026, 8:04 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 21, 2026, 8:04 AM EDT
Enrolling by invitation Phase 4 Interventional Accepts healthy volunteers

MIBG in Aging and Neurologic Disorders

NCT05514106
View directory record Official record
Conditions
Lewy Body Disease, Dementia, Parkinsonism, Mild Cognitive Impairment, REM Sleep Behavior Disorder
Interventions
meta-iodobenzylguanidine (MIBG) (123I), 123I-MIBG scintigraphy
Drug · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 21, 2026, 8:04 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 21, 2026, 8:04 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 21, 2026, 8:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Wearable Neural Interfacing System for REM Sleep Restoration and Enhancement

NCT07190287
View directory record Official record
Conditions
Sleep Disturbance, Stress, Psychological, REM Sleep Measurement
Interventions
NEUSleeP system (FUS-EEG wearable device), BrainSonix Pulsar 1002
Device
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 50 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Sep 21, 2026, 8:04 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 21, 2026, 8:04 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 21, 2026, 8:04 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

North American Prodromal Synucleinopathy Consortium Stage 2

NCT05826457
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 21, 2026, 8:04 AM EDT
Recruiting Not applicable Interventional

Affect of Melatonin on Sleep and Cognition in Cirrhosis

NCT07046429
View directory record Official record
Conditions
Hepatic Encephalopathy, Covert Hepatic Encephalopathy, Cirrhosis, Sleep Disturbances and Insomnia
Interventions
Melatonin tablet 3 mg once daily, Thiamine
Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 21, 2026, 8:04 AM EDT
Terminated Phase 2 Interventional

Open-label Study of Nelotanserin in Lewy Body Dementia With Visual Hallucinations or REM Sleep Behavior Disorder

NCT02871427
View directory record Official record
Conditions
Lewy Body Dementia, Dementia With Lewy Bodies, Parkinson's Disease Dementia, Visual Hallucinations, REM Sleep Behavior Disorder
Interventions
Nelotanserin
Drug
Lead sponsor
Axovant Sciences Ltd.
Industry
Eligibility
50 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
19
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Boca Raton, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2019 · Synced Sep 21, 2026, 8:04 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 21, 2026, 8:04 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 21, 2026, 8:04 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 21, 2026, 8:04 AM EDT
Enrolling by invitation Phase 4 Interventional

DaTSCAN Imaging in Aging and Neurodegenerative Disease

NCT01453127
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Sep 21, 2026, 8:04 AM EDT