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ClinicalTrials.gov public records Last synced May 21, 2026, 11:24 PM EDT

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

Showing 1–24 of 163 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Excessive Sleepiness Clear all
Completed Phase 3 Interventional
View directory record Official record
Conditions
Narcolepsy, Cataplexy, Excessive Daytime Sleepiness
Interventions
AXS-12 (reboxetine), Placebo
Drug
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
15 Years to 75 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
24
States / cities
Phoenix, Arizona • Boulder, Colorado • Colorado Springs, Colorado + 20 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 1 Interventional
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 May 21, 2026, 11:24 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Bright light therapy glasses
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Narcolepsy Type 1 (NT1)
Interventions
E2086, E2086 Placebo, Active Comparator, Active Comparator Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
12
States / cities
Santa Ana, California • Miami, Florida • Macon, Georgia + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced May 21, 2026, 11:24 PM EDT
Completed Not applicable Interventional
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 23, 2009 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 3 Interventional Results available
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 29, 2019 · Synced May 21, 2026, 11:24 PM EDT
Terminated Phase 1 Interventional Results available
View directory record Official record
Conditions
Narcolepsy
Interventions
MK-6552, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
5
States / cities
Colorado Springs, Colorado • Brandon, Florida • Atlanta, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Diabetes Mellitus, Type 2
Interventions
Continuous Positive Airway Pressure (CPAP), Sham- Continuous Positive Airway Pressure (Sham-CPAP)
Device
Lead sponsor
Eileen R. Chasens
Other
Eligibility
40 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 7, 2017 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Narcolepsy
Interventions
ADX-N05, Placebo
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
28
States / cities
Birmingham, Alabama • Phoenix, Arizona • Redwood City, California + 23 more
Source: ClinicalTrials.gov public record
Updated May 27, 2021 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 4 Interventional Results available
View directory record Official record
Conditions
Excessive Sleepiness
Interventions
Armodafinil, Placebo
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
9
States / cities
Burlingame, California • San Diego, California • Stanford, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Idiopathic Hypersomnia, Excessive Daytime Sleepiness
Interventions
Pitolisant
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
18 Years and older
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
32
States / cities
Los Angeles, California • San Ramon, California • Brandon, Florida + 29 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced May 21, 2026, 11:24 PM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Narcolepsy
Interventions
JZP441, Matching Placebo
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years to 64 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
4
States / cities
Atlanta, Georgia • Cincinnati, Ohio • Columbia, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Narcolepsy
Interventions
JNJ-17216498, Modafinil
Drug
Lead sponsor
Alza Corporation, DE, USA
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
16
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 13 more
Source: ClinicalTrials.gov public record
Updated May 22, 2014 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Idiopathic Hypersomnia
Interventions
Open-label pitolisant, Double-blind placebo, Double-blind pitolisant
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
18 Years and older
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
58
States / cities
Peoria, Arizona • Scottsdale, Arizona • Los Angeles, California + 53 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
ADHD, Narcolepsy
Interventions
ADAIR 10 mg IR tablets, d-amphetamine sulfate, Placebo
Drug
Lead sponsor
Vallon Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 28, 2021 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Narcolepsy With Cataplexy
Interventions
JZP-258, Placebo
Drug · Other
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
12
States / cities
Orange, California • Stanford, California • Boulder, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated Nov 11, 2020 · Synced May 21, 2026, 11:24 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers
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 14, 2020 · Synced May 21, 2026, 11:24 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Multiple Sclerosis, Multiple Sclerosis Fatigue
Interventions
Solriamfetol, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 60 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced May 21, 2026, 11:24 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Idiopathic Hypersomnia
Interventions
ALKS 2680, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
32
States / cities
Cullman, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 29 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced May 21, 2026, 11:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Light exposure
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
55 Years to 85 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 17, 2020 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Myotonic Dystrophy 1, Excessive Daytime Sleepiness
Interventions
Pitolisant Oral Tablet, Placebo oral tablet
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
11
States / cities
Irvine, California • Aurora, Colorado • Tampa, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced May 21, 2026, 11:24 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
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 21, 2026 · Synced May 21, 2026, 11:24 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Narcolepsy, Narcolepsy Type 1, Narcolepsy With Cataplexy, Narcolepsy Type 2, Narcolepsy Without Cataplexy
Interventions
Imagery rehearsal therapy, Targeted dream control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 11, 2024 · Synced May 21, 2026, 11:24 PM EDT
Completed Phase 4 Interventional Results available
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 8, 2024 · Synced May 21, 2026, 11:24 PM EDT