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Showing 1–24 of 210 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional

A Study of HBS-201 (Pitolisant Delayed-release)

NCT07051252
View directory record Official record
Conditions
Narcolepsy
Interventions
HBS-201
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
15
States / cities
San Ramon, California • Brandon, Florida • Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Phase 2 Interventional Results available

BEN-2001 in Parkinson Disease Patients With Excessive Daytime Sleepiness

NCT03194217
View directory record Official record
Conditions
Excessive Daytime Sleepiness, Parkinson Disease
Interventions
BEN-2001, Placebo
Drug
Lead sponsor
BenevolentAI Bio
Industry
Eligibility
50 Years to 80 Years
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Simulated Dawn Med Students

NCT02088593
View directory record Official record
Conditions
Depression, Anxiety, Fatigue, Sleepiness, Sleep Disruption
Interventions
Simulated Dawn Light Box, Sleep Hygiene instructions
Device · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 23, 2023 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Phase 1 Interventional

Safety, Tolerability, Pharmacokinetic and Pharmacodynamic Study of ABT-652 in Subjects With Excessive Daytime Sleepiness

NCT01124851
View directory record Official record
Conditions
Sleep Disorder
Interventions
ABT-652, Placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
5
States / cities
Phoenix, Arizona • Glendale, California • San Diego, California + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 3, 2011 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Study to Assess Drowsiness, Cognition, Fall Risk After Metaxalone 640 mg and Metaxalone 800 mg

NCT06348303
View directory record Official record
Conditions
Healthy Participants
Interventions
Metaxalone m640 mg oral tablet, Metaxalone 800 mg oral tablet
Drug
Lead sponsor
Primus Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Phase 2 Interventional

A Study of Safety and Efficacy of BTD-001 in Treatment of Patients With Idiopathic Hypersomnia (IH) or Narcolepsy Type 2

NCT02512588
View directory record Official record
Conditions
Idiopathic Hypersomnia, Narcolepsy Without Cataplexy
Interventions
BTD-001, Placebo
Drug
Lead sponsor
Balance Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
23
States / cities
Birmingham, Alabama • Palo Alto, California • San Diego, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2019 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Phase 2 Interventional Results available

A 4-Week Study of the Safety, Efficacy, and Pharmacokinetics of JZP-110 [(R)-2-amino-3-phenylpropylcarbamate Hydrochloride] in Subjects With Parkinson's Disease and Excessive Sleepiness

NCT03037203
View directory record Official record
Conditions
Excessive Sleepiness, Parkinson Disease
Interventions
JZP-110, Placebo
Drug · Other
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
35 Years to 80 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
25
States / cities
Los Angeles, California • San Diego, California • Boulder, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2020 · Synced Sep 4, 2026, 5:41 PM EDT
Completed No phase listed Observational

A Web-based Observational Study of Patient-reported Outcomes in Adults With Narcolepsy

NCT02769780
View directory record Official record
Conditions
Narcolepsy
Interventions
Not listed
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Performance Nutrition for Residents and Fellows

NCT03698123
View directory record Official record
Conditions
Physician Well-being, Cognitive Function, Diet Modification, Diet Habit, Shift-Work Related Sleep Disturbance, Sleep Deprivation
Interventions
Dietary Modification
Other
Lead sponsor
Stanford University
Other
Eligibility
21 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Phase 1 Interventional

This is a Study to Determine the Effect of Multiple Doses of an Investigational Drug, Taken by Mouth, in People With Narcolepsy-cataplexy. Accepting Both Males and Females Ages of 18 Years to 55 Years. This Study Will be Conducted in the US and Will Require Approximately 13 Weeks Participation.

NCT05015673
View directory record Official record
Conditions
Narcolepsy
Interventions
SEP363856, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
6
States / cities
Orange, California • St. Petersburg, Florida • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Music, Sleep and Dementia Study

NCT04157244
View directory record Official record
Conditions
Dementia, Alzheimer Disease, Circadian Rhythm Disorders, Circadian Rhythm Sleep Disorder, Insomnia, Hypersomnia, Cognitive Impairment, Cognitive Decline, Mild Cognitive Impairment, Frontotemporal Dementia, Neurocognitive Disorders, Vascular Dementia, Sleep Disorder, Memory Impairment
Interventions
Tailored music listening intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 110 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2021 · Synced Sep 4, 2026, 5:41 PM EDT
Recruiting Not applicable Interventional

Neurocognitive and Health Impact of Sleep Apnea in Elderly Veterans With Comorbid COPD

NCT02703207
View directory record Official record
Conditions
Obstructive Sleep Apnea, OSA COPD Overlap Syndrome
Interventions
Positive airway pressure, NIPPV and /or oxygen
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 89 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Phase 2 Interventional

RECOVER-SLEEP: Platform Protocol

NCT06404086
View directory record Official record
Conditions
Long COVID, Long COVID-19, Hypersomnia, Sleep Disturbance
Interventions
Modafinil, Modafinil Placebo, Solriamfetol, Solriamfetol Placebo, Melatonin, Melantonin Placebo, Tailored lighting (TL) Active, Tailored lighting (TL) Placebo
Drug · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
47
States / cities
Phoenix, Arizona • Tucson, Arizona • Palo Alto, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Sep 4, 2026, 5:41 PM EDT
Completed No phase listed Observational

Face of Sleepiness

NCT01060436
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
CPAP or BiPAP machines
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Phase 3 Interventional Results available

"Twelve-week Study of the Safety and Efficacy of JZP-110 in the Treatment of Excessive Sleepiness in Narcolepsy"

NCT02348593
View directory record Official record
Conditions
Narcolepsy
Interventions
JZP-110, Placebo oral tablet
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
45
States / cities
Birmingham, Alabama • Glendale, Arizona • Scottsdale, Arizona + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Sep 4, 2026, 5:41 PM EDT
Not listed No phase listed Observational

Child and Adolescent Registry for Participants With Narcolepsy

NCT04899947
View directory record Official record
Conditions
Narcolepsy
Interventions
Not listed
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
Up to 17 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
25
States / cities
Phoenix, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 21 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Sep 4, 2026, 5:41 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Clinical Trial of Solriamfetol for Excessive Sleepiness Related to Shift Work Disorder

NCT04788953
View directory record Official record
Conditions
Excessive Sleepiness, Shift-work Disorder
Interventions
Solriamfetol Oral Tablet, Placebo
Drug
Lead sponsor
Charles A. Czeisler, PhD, MD
Other
Eligibility
18 Years to 64 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 23, 2025 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of MK-6552 in Sleep Deprived Healthy Participants (MK-6552-003)

NCT06619665
View directory record Official record
Conditions
Healthy, Narcolepsy
Interventions
MK-6552, MK-6552 placebo, Modafinil, Modafinil placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
2
States / cities
Atlanta, Georgia • Eatontown, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 30, 2024 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Advancing Understanding of Transportation Options

NCT04141891
View directory record Official record
Conditions
Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa, Vision Disorders, Acute Coronary Syndrome, Implantable Defibrillator User, Congestive Heart Failure, Hypertrophic Obstructive Cardiomyopathy, Orthostatic Hypotension, Syncope, Presyncope, Narcolepsy, Dementia, Multiple Sclerosis, Parkinson Disease, Brain Injuries, Spinal Cord Injuries, Stroke, Vertigo, Dizziness, Seizures, Substance Use, Insulin Dependent Diabetes Mellitus, Arthritis, Foot--Abnormalities, Chronic Obstructive Pulmonary Disease, Obstructive Sleep Apnea, End Stage Renal Disease, Sleep Apnea, Insomnia, Restless Legs Syndrome
Interventions
Driving Decision Aid, Older Drivers Website
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
529 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
La Jolla, California • Aurora, Colorado • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Sep 4, 2026, 5:41 PM EDT
Enrolling by invitation No phase listed Observational

Adult Sleep Health in the Rural Appalachia and Mississippi Delta Region and Its Relationships With Cardiometabolic Health Disparities.

NCT06336525
View directory record Official record
Conditions
Sleep Apnea, Insomnia, Sleep Deprivation, Sleep Disorders, Circadian Rhythm, Sleepiness, Excessive Daytime, Fatigue
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
25 Years to 65 Years
Enrollment
3,680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 26, 2025 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Not applicable Interventional Results available

Sustainable Methods, Algorithms, and Research Tools for Delivering Optimal Care Study

NCT02037438
View directory record Official record
Conditions
Obstructive Sleep Apnea of Adult, Insomnia, Circadian Rhythm Sleep Disorder, Sleep Related Movement Disorders, Narcolepsy and Hypersomnia, Parasomnia
Interventions
CONV care for the diagnosis and treatment of sleep disorders, PCCM for the diagnosis and treatment of sleep disorders
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
1,836 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Mar 3, 2019 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Phase 1 Interventional Results available

Safety, Tolerability and Pharmacokinetics of ERX-963 in Adults With Myotonic Dystrophy Type 1

NCT03959189
View directory record Official record
Conditions
Myotonic Dystrophy, Type 1 (DM1), Myotonic Dystrophy
Interventions
ERX-963, Placebo
Drug
Lead sponsor
Expansion Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
4
States / cities
Palo Alto, California • Miami, Florida • Iowa City, Iowa + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Sep 4, 2026, 5:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleepiness and the Risk of Falling

NCT00383357
View directory record Official record
Conditions
Aging, Balance, Sleep
Interventions
zolpidem
Drug
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
18 Years to 85 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 19, 2007 · Synced Sep 4, 2026, 5:41 PM EDT
Recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy, Safety and Tolerability of ALKS 2680 in Adults With Narcolepsy Type 1 (Brilliance NT1 - 304)

NCT07540897
View directory record Official record
Conditions
Narcolepsy Type 1
Interventions
ALKS 2680 Dose 1, ALKS 2680 Dose 2, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
14
States / cities
Brandon, Florida • Miami, Florida • Winter Park, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 4, 2026, 5:41 PM EDT