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ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:47 AM EDT

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Showing 73–96 of 212 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Drowsiness Clear all
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 23, 2026, 1:47 AM EDT
Completed Phase 4 Interventional Results available

Lemborexant Shift Work Treatment Study

NCT05344443
View directory record Official record
Conditions
Shift-Work Related Sleep Disturbance
Interventions
Lemborexant, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
20 Years to 60 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 23, 2026, 1:47 AM EDT
Active, not recruiting Phase 3 Interventional

A Trial of TAK-861 for the Treatment of Narcolepsy With Cataplexy

NCT07363720
View directory record Official record
Conditions
Narcolepsy Type 1 (NT1), Narcolepsy With Cataplexy
Interventions
TAK-861, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
16 Years to 70 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
11
States / cities
Redwood City, California • Brandon, Florida • Miami, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 23, 2026, 1:47 AM EDT
Recruiting Phase 3 Interventional

A Phase 3 Efficacy and Safety Study of HBS-301 in Participants With Idiopathic Hypersomnia (IH)

NCT07500090
View directory record Official record
Conditions
Idiopathic Hypersomnia
Interventions
HBS-301 tablet, Placebo
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
18 Years and older
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
40
States / cities
Birmingham, Alabama • Peoria, Arizona • Redwood City, California + 36 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 23, 2026, 1:47 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 23, 2026, 1:47 AM EDT
Recruiting Not applicable Interventional

Impact of Positive Airway Pressure Therapy on Clinical Outcomes in Older Veterans With Chronic Obstructive Pulmonary Disease and Comorbid Obstructive Sleep Apnea (Overlap Syndrome)

NCT04179981
View directory record Official record
Conditions
Sleep Apnea Syndrome, Obstructive Sleep Apnea, COPD, Overlap Syndrome, Quality of Life, Neurocognitive Function, Sleepiness, Elderly, Positive Airway Pressure
Interventions
Positive airway pressure, Conservative care (control arm)
Device · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years and older
Enrollment
668 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 23, 2026, 1:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Fire Fighter Fatigue Management Program: Operation Healthy Sleep

NCT01988129
View directory record Official record
Conditions
Shift-Work Sleep Disorder, Insomnia, Restless Leg Syndrome, Obstructive Sleep Apnea, Impaired Driving, Injuries
Interventions
Sleep disorders education and screening
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
1,189 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 16, 2017 · Synced Oct 23, 2026, 1:47 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Nextsense Brain-sensing Buds Study

NCT06602960
View directory record Official record
Conditions
Sleep, Sleep Quality, Sleepiness, Daytime, Technology
Interventions
Accurate Sleep Data Feedback, Inflated Sleep Data Feedback, Deflated Sleep Data Feedback, Accurate Sleep Data Feedback + Sleep-related Educational Information
Behavioral
Lead sponsor
NextSense, Inc.
Industry
Eligibility
25 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 18, 2025 · Synced Oct 23, 2026, 1:47 AM EDT
Completed Phase 3 Interventional

Safety and Efficacy of Xyrem Oral Solution (Sodium Oxybate) Compared With Placebo in Narcoleptic Patients

NCT00049803
View directory record Official record
Conditions
Narcolepsy
Interventions
sodium oxybate
Drug
Lead sponsor
Orphan Medical
Industry
Eligibility
16 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
37
States / cities
Birmingham, Alabama • La Jolla, California • Stanford, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 23, 2026, 1:47 AM EDT
Completed Phase 4 Interventional Results available

Rasagiline as Add on to Dopamine Agonists in the Treatment of Parkinson's Disease

NCT01049984
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Rasagiline, Placebo
Drug
Lead sponsor
Teva Neuroscience, Inc.
Industry
Eligibility
30 Years and older
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
58
States / cities
Phoenix, Arizona • Sun City, Arizona • Fountain Valley, California + 51 more
Source: ClinicalTrials.gov public record
Updated May 20, 2016 · Synced Oct 23, 2026, 1:47 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 23, 2026, 1:47 AM EDT
Recruiting No phase listed Observational

WAKIX® (Pitolisant) Pregnancy Registry

NCT05536011
View directory record Official record
Conditions
Pregnancy Related, Narcolepsy
Interventions
Pitolisant, Comparator Products
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
Female only
Enrollment
1,329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
1
States / cities
Morrisville, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 23, 2026, 1:47 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Objective Assessment of the Effects of Shift Work on Drowsiness and Driving Impairment in Hospital Staff

NCT01672489
View directory record Official record
Conditions
Impaired Driving, Sleep Driving
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Oct 23, 2026, 1:47 AM 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 7, 2025 · Synced Oct 23, 2026, 1:47 AM EDT
Enrolling by invitation No phase listed Observational

Cardiovascular and Cognitive Implications of Central Disorders of Hypersomnolence and Their Treatments

NCT05371483
View directory record Official record
Conditions
Narcolepsy, Idiopathic Hypersomnia
Interventions
24-hour Ambulatory Blood Pressure Monitoring, Oculo-Cognitive Addition Test (OCAT)
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 23, 2026, 1:47 AM EDT
Not listed Phase 2 Interventional

A Study of Oral BTD-001 in Adults With Idiopathic Hypersomnia

NCT03542851
View directory record Official record
Conditions
Idiopathic Hypersomnia
Interventions
Pentetrazol (PTZ), Placebo oral capsule
Drug
Lead sponsor
Balance Therapeutics
Industry
Eligibility
18 Years to 70 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
32
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Orange, California + 28 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2020 · Synced Oct 23, 2026, 1:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Lorazepam on Cognition in APOE e4 Carriers

NCT00586430
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
lorazepam, placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 4, 2008 · Synced Oct 23, 2026, 1:47 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 23, 2026, 1:47 AM EDT
Completed Phase 2 Interventional

A Safety and Effectiveness Study of a Single Dose of JNJ-17216498 in Patients With Narcolepsy

NCT00424931
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 23, 2014 · Synced Oct 23, 2026, 1:47 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 23, 2026, 1:47 AM EDT
Recruiting Not applicable Interventional

Obstructive Sleep Apnea Therapeutic Intervention for REsiDual Sleepiness

NCT06698809
View directory record Official record
Conditions
Obstructive Sleep Apnea, Sleepiness
Interventions
Active tPBM
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 75 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 23, 2026, 1:47 AM 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 10, 2025 · Synced Oct 23, 2026, 1:47 AM EDT
Recruiting No phase listed Observational

SUNOSI® (Solriamfetol) Pregnancy Registry

NCT06413420
View directory record Official record
Conditions
Narcolepsy, Obstructive Sleep Apnea, Pregnant Women and Their Offspring
Interventions
Sunosi (solriamfetol), Other prescription wake-promoting medications or stimulants, No treatment
Drug · Other
Lead sponsor
Axsome Therapeutics, Inc.
Industry
Eligibility
Female only
Enrollment
1,731 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
2
States / cities
Morrisville, North Carolina • Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 23, 2026, 1:47 AM EDT
Active, not recruiting Not applicable Interventional

Impact of Bright Light Therapy on Prader-Willi Syndrome

NCT05939453
View directory record Official record
Conditions
Prader-Willi Syndrome, Excessive Daytime Sleepiness, Hyperphagia, Body Weight, Mood, Behavior
Interventions
Sham Light, Bright Light Therapy
Other
Lead sponsor
Maimonides Medical Center
Other
Eligibility
6 Years to 88 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 23, 2026, 1:47 AM EDT