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Showing 1–24 of 97 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Narcolepsy Clear all
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, 1:45 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, 1:45 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, 1:45 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, 1:45 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, 1:45 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, 1:45 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, 1:45 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, 1:45 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, 1:45 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, 1:45 PM 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 Aug 31, 2026 · Synced Sep 4, 2026, 1:45 PM EDT
Completed Phase 2 Interventional Results available

A Study of TAK-861 in Participants With Narcolepsy Type 2

NCT05687916
View directory record Official record
Conditions
Narcolepsy Type 2
Interventions
Placebo, TAK-861 2 mg, TAK-861 2 mg and 5 mg
Drug
Lead sponsor
Takeda
Industry
Eligibility
16 Years to 70 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
22
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Redwood City, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Sep 4, 2026, 1:45 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

The Nuvigil and Provigil Pregnancy Registry

NCT01792583
View directory record Official record
Conditions
Narcolepsy, Obstructive Sleep Apnea, Shift Work Sleep Disorder
Interventions
Modafinil/armodafinil
Drug
Lead sponsor
Cephalon, Inc.
Industry
Eligibility
Female only
Enrollment
191 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2023
U.S. locations
1
States / cities
West Chester, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 4, 2024 · Synced Sep 4, 2026, 1:45 PM 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 18, 2013 · Synced Sep 4, 2026, 1:45 PM 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 14, 2026 · Synced Sep 4, 2026, 1:45 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

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

NCT00107848
View directory record Official record
Conditions
Narcolepsy, Sleep Apnea, Obstructive
Interventions
Modafinil
Drug
Lead sponsor
Cephalon
Industry
Eligibility
6 Years to 16 Years
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
55
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Sep 4, 2026, 1:45 PM EDT
Completed Not applicable Interventional Results available

Awareness and Self-Compassion Enhancing Narcolepsy Treatment

NCT04306952
View directory record Official record
Conditions
Narcolepsy, Narcolepsy Without Cataplexy, Narcolepsy With Cataplexy
Interventions
Brief MBI, Standard MBI, Extended MBI
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 100 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Sep 4, 2026, 1:45 PM EDT
Recruiting Phase 2 Interventional

A Long-term Extension Study of ORX750 in Participants With Narcolepsy and Idiopathic Hypersomnia

NCT07096674
View directory record Official record
Conditions
Narcolepsy Type 1, Narcolepsy Type 2, Idiopathic Hypersomnia
Interventions
ORX750
Drug
Lead sponsor
Centessa Pharmaceuticals (UK) Limited
Industry
Eligibility
18 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
19
States / cities
Auburn, Alabama • Santa Ana, California • Miami, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 4, 2026, 1:45 PM EDT
Completed Phase 3 Interventional Results available

Trial Comparing Effects of Xyrem Taken Orally and Modafinil With Placebo in Treating Daytime Sleepiness in Narcolepsy

NCT00066170
View directory record Official record
Conditions
Narcolepsy
Interventions
Xyrem, Xyrem Placebo, Modafinil at established dose, Modafinil (Placebo)
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
36
States / cities
Phoenix, Arizona • Fullerton, California • Los Angeles, California + 29 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2011 · Synced Sep 4, 2026, 1:45 PM EDT
Completed Phase 2 Interventional

A Study to Evaluate the Safety and Effectiveness of ALKS 2680 in Subjects With Narcolepsy Type 2

NCT06555783
View directory record Official record
Conditions
Narcolepsy Type 2
Interventions
ALKS 2680, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
33
States / cities
Little Rock, Arkansas • Los Angeles, California • Redwood City, California + 29 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 4, 2026, 1:45 PM EDT
Completed Phase 3 Interventional Results available

A Study of TAK-861 for the Treatment of Narcolepsy Type 1

NCT06470828
View directory record Official record
Conditions
Narcolepsy Type 1
Interventions
Oveporexton, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
16 Years to 70 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
15
States / cities
Phoenix, Arizona • Redwood City, California • Santa Ana, California + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 4, 2026, 1:45 PM 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 May 13, 2024 · Synced Sep 4, 2026, 1:45 PM EDT
Completed Phase 3 Interventional Results available

Extension Study of the Safety and Efficacy of Armodafinil in the Treatment of Patients With Excessive Sleepiness

NCT00228553
View directory record Official record
Conditions
Excessive Daytime Sleepiness, Narcolepsy, Obstructive Sleep Apnea/Hypopnea Syndrome, Chronic Shift Work Sleep Disorder
Interventions
Armodafinil 100 to 250 mg/day
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 65 Years
Enrollment
743 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
74
States / cities
Birmingham, Alabama • Phoenix, Arizona • Hot Springs, Arkansas + 64 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Sep 4, 2026, 1:45 PM EDT
Completed Not applicable Interventional

Sleep/Wake State Assessment with Non-invasive Earbuds

NCT05066009
View directory record Official record
Conditions
Hypersomnolence
Interventions
NextSense EEG-enabled earbuds, Ellcie Healthy eyeglasses, Drug Holiday
Device · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Sep 4, 2026, 1:45 PM EDT