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ClinicalTrials.gov public records Last synced Oct 9, 2026, 10:32 AM EDT

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Showing 121–144 of 160 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Hypersomnolence Disorder Clear all
Completed Phase 3 Interventional Accepts healthy volunteers

Study of PROVIGIL ® (Modafinil) Treatment in Children and Adolescents With Excessive Sleepiness Associated With Obstructive Sleep Apnea/Hypopnea Syndrome

NCT00107809
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Modafinil
Drug
Lead sponsor
Cephalon
Industry
Eligibility
6 Years to 16 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
60
States / cities
Birmingham, Alabama • Tucson, Arizona • Fort Smith, Arkansas + 51 more
Source: ClinicalTrials.gov public record
Updated May 9, 2014 · Synced Oct 9, 2026, 10:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bonafide Sleep Supplement for Menopausal Women With Sleep Complaints

NCT07839312
View directory record Official record
Conditions
Sleep Disturbance
Interventions
S-Adenosyl Methionine (SAMe), Propyl Gallate, Gamma-Aminobutyric Acid (GABA), L-Theanine, and Magnesium Glycinate
Dietary Supplement
Lead sponsor
Bonafide Health
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Harrison, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 9, 2026, 10:32 AM 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 9, 2020 · Synced Oct 9, 2026, 10:32 AM EDT
Completed Phase 3 Interventional Results available

A Multicenter Study of the Efficacy and Safety of Xyrem With an Open- Label Pharmacokinetic Evaluation and Safety Extension in Pediatric Subjects With Narcolepsy With Cataplexy

NCT02221869
View directory record Official record
Conditions
Narcolepsy With Cataplexy
Interventions
Xyrem
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
7 Years to 17 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
17
States / cities
Long Beach, California • Orange, California • Redwood City, California + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Oct 9, 2026, 10:32 AM EDT
Completed Not applicable Interventional

Modafinil Augmentation Therapy for Excessive Daytime Sleepiness and Negative Symptoms in Patients With Schizophrenia

NCT00546403
View directory record Official record
Conditions
Schizophrenia
Interventions
Modafinil, Placebo
Drug
Lead sponsor
Veterans Medical Research Foundation
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 24, 2009 · Synced Oct 9, 2026, 10:32 AM 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
15
States / cities
Brandon, Florida • Miami, Florida • Winter Park, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 9, 2026, 10:32 AM EDT
Active, not recruiting Not applicable Interventional

Bright Light Therapy for Non-motor Symptoms in Parkinson's Disease

NCT02909192
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Light Therapy Device
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
40 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 9, 2026, 10:32 AM EDT
Completed No phase listed Observational

Disentangling the Role of Depression in Hypersomnia

NCT05850676
View directory record Official record
Conditions
Hypersomnia
Interventions
Sleep study
Diagnostic Test
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 9, 2026, 10:32 AM EDT
Completed Phase 3 Interventional Results available

"A Long-Term Safety Study of JZP-110 in the Treatment of Excessive Sleepiness in Subjects With Narcolepsy or OSA"

NCT02348632
View directory record Official record
Conditions
Narcolepsy, Obstructive Sleep Apnea
Interventions
JZP-110
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
645 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
63
States / cities
Birmingham, Alabama • Glendale, Arizona • Scottsdale, Arizona + 51 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Oct 9, 2026, 10:32 AM EDT
Recruiting Not applicable Interventional

Decreasing Nightmares in Adults With Narcolepsy

NCT06383806
View directory record Official record
Conditions
Narcolepsy, Narcolepsy Type 1, Narcolepsy With Cataplexy, Narcolepsy Without Cataplexy, Nightmare, Nightmare Disorder With Associated Other Sleep Disorder
Interventions
Imagery Rehearsal Therapy (IRT)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 9, 2026, 10:32 AM EDT
Recruiting Phase 2 Interventional

Extended-release Sodium Oxybate in Children

NCT06809803
View directory record Official record
Conditions
Narcolepsy Type 1 (NT 1)
Interventions
Extended-release sodium oxybate, Non-extended-release oxybates
Drug
Lead sponsor
Stanford University
Other
Eligibility
7 Years to 17 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2025 · Synced Oct 9, 2026, 10:32 AM EDT
Completed Phase 4 Interventional Results available

A Switch Study From High-Sodium Oxybate to Xywav to Evaluate Changes in Blood Pressure in Participants With Narcolepsy

NCT05869773
View directory record Official record
Conditions
Narcolepsy
Interventions
JZP258
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
31
States / cities
Culver City, California • Encino, California • Huntington Beach, California + 27 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 9, 2026, 10:32 AM EDT
Recruiting Phase 2 Interventional

A Study of TAK-360 in Adults With Idiopathic Hypersomnia

NCT06812078
View directory record Official record
Conditions
Idiopathic Hypersomnia
Interventions
TAK-360, Placebo
Drug · Other
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 70 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
13
States / cities
Redwood City, California • Santa Ana, California • Colorado Springs, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 9, 2026, 10:32 AM EDT
Completed No phase listed Observational

Sleep Disorders of Patients With Diseases of the Nervous System

NCT00001664
View directory record Official record
Conditions
Hypersomnia, Narcolepsy, Nervous System Disease, Sleep Disorder
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
5 Years and older
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 9, 2026, 10:32 AM EDT
Completed Phase 1 Interventional Results available

A Study of a Single Intravenous Infusion Dose of TAK-925 in Participants With Idiopathic Hypersomnia

NCT04091438
View directory record Official record
Conditions
Idiopathic Hypersomnia
Interventions
TAK-925, TAK-925 Placebo
Drug
Lead sponsor
Millennium Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
20
States / cities
Alabaster, Alabama • Glendale, Arizona • Little Rock, Arkansas + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 9, 2026, 10:32 AM EDT
Completed Phase 4 Interventional Results available

A Study to Investigate the Effect of XYWAV on Sleepiness, Polysomnography, and Functional Outcomes in Participants With Idiopathic Hypersomnia or Narcolepsy

NCT05875974
View directory record Official record
Conditions
Idiopathic Hypersomnia, Narcolepsy
Interventions
JZP258 (XYWAV)
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
29
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Irvine, California + 25 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 9, 2026, 10:32 AM EDT
Completed Phase 3 Interventional Results available

Study to Assess Patient Reported Outcomes With Armodafinil Treatment for Excessive Sleepiness in Adults With Narcolepsy or Obstructive Sleep Apnea/Hypopnea Syndrome

NCT00228566
View directory record Official record
Conditions
Excessive Daytime Sleepiness, Narcolepsy, Obstructive Sleep Apnea/Hypopnea Syndrome (OSAHS)
Interventions
Armodafinil
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 65 Years
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
43
States / cities
Birmingham, Alabama • Tuscaloosa, Alabama • Phoenix, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2013 · Synced Oct 9, 2026, 10:32 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Unhide® Project: A Digital Health Platform to Collect Lifestyle Data for Brain Inflammation Research

NCT04806620
View directory record Official record
Conditions
Post-Acute COVID-19 Syndrome, ME/CFS, Rheumatic Arthritis, Juvenile Rheumatoid Arthritis (JRA), Psoriatic Arthritis (PsA), Ankylosing Spondylitis (AS), Autoimmune Encephalitis, Celiac Disease, Celiac Disease in Children, Chronic Lyme Disease, Post-treatment Lyme Disease Syndrome, Crohn's Disease, Dysautonomia, Anorexia Nervosa, Bulimia Nervosa, ARFID, Avoidant / Restrictive Food Intake Disorder, Ehlers Danlos Syndrome, Endometriosis, Fibromyalgia (FM), Long COVID, Lupus, Migraines, Mast Cell Activation Syndrome, Multiple Sclerosis, Myalgic Encephalomyelitis (ME), Myasthenia Gravis, Generalized, Myasthenia Gravis in Children, Narcolepsy, Obsessive Compulsive Disorder (OCD), PANDAS, Pediatric Acute-onset Neuropsychiatric Syndrome (PANS), POTS - Postural Orthostatic Tachycardia Syndrome, General Anxiety Disorder, Social Anxiety Disorder, PTSD - Post Traumatic Stress Disorder, Psoriasis, Traumatic Brain Injury, Tourette's Syndrome, Inflammatory Bowel Disease (IBD), Autoimmune Diseases, Neurological Diseases or Conditions, Psychiatric Disorder, Sjogren's Syndrome, Ulcerative Colitis and Crohn's Disease
Interventions
Not listed
Lead sponsor
Brain Inflammation Collaborative
Other
Eligibility
2 Years and older
Enrollment
10,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2030
U.S. locations
1
States / cities
Delafield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 9, 2026, 10:32 AM EDT
Completed Phase 3 Interventional

An Open Label Study of FT218 in Subjects With Narcolepsy

NCT04451668
View directory record Official record
Conditions
Narcolepsy, Cataplexy, Excessive Daytime Somnolence, Sleep Disorder, Sleep Disturbance, Sleep Wake Disorders
Interventions
FT218
Drug
Lead sponsor
Avadel
Industry
Eligibility
16 Years and older
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
27
States / cities
Birmingham, Alabama • Redwood City, California • Santa Ana, California + 24 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Oct 9, 2026, 10:32 AM EDT
Completed Phase 4 Interventional Results available

An Interventional Safety Switch Study (Segue Study) of XYWAV in Narcolepsy

NCT04794491
View directory record Official record
Conditions
Narcolepsy
Interventions
JZP-258
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
28
States / cities
Alabaster, Alabama • Birmingham, Alabama • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced Oct 9, 2026, 10:32 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Start Times and Restful Sleep

NCT04049682
View directory record Official record
Conditions
Excessive Daytime Somnolence, Sleep Deprivation
Interventions
Delayed School Start Time
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
13 Years to 18 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 15, 2020 · Synced Oct 9, 2026, 10:32 AM EDT
Completed Phase 2 Interventional

Four-week Study of the Safety and Efficacy of NLS-2 (Mazindol Extended Release) in the Treatment of Narcolepsy

NCT04923594
View directory record Official record
Conditions
Narcolepsy, Excessive Daytime Sleepiness, Cataplexy Narcolepsy
Interventions
mazindol extended release, Placebo
Drug
Lead sponsor
NLS Pharmaceutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
22
States / cities
Birmingham, Alabama • Redwood City, California • San Diego, California + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2022 · Synced Oct 9, 2026, 10:32 AM EDT
Recruiting Phase 2Phase 3 Interventional

A Study to Investigate the Effects of Cleminorexton Compared With Placebo in the Treatment of Participants With Central Disorders of Hypersomnolence

NCT07598708
View directory record Official record
Conditions
Narcolepsy Type 1, Narcolepsy Type 2
Interventions
cleminorexton, Placebo
Drug
Lead sponsor
Centessa Pharmaceuticals (UK) Limited
Industry
Eligibility
18 Years to 70 Years
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
23
States / cities
Birmingham, Alabama • Colorado Springs, Colorado • Brandon, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 9, 2026, 10:32 AM EDT
Recruiting Phase 3 Interventional

Clinical Assessment of Response in the Treatment of Depression With Daytime Sleepiness Using Solriamfetol

NCT07484217
View directory record Official record
Conditions
Major Depressive Disorder With Excessive Daytime Sleepiness Symptoms
Interventions
Solriamfetol 150 MG, Placebo
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
508 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
40
States / cities
Tucson, Arizona • Bellflower, California • Chino, California + 33 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 9, 2026, 10:32 AM EDT