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Showing 25–39 of 15 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cataplexy Clear all
Completed Not applicable Interventional Results available

Narcolepsy Nightmare Study

NCT05709873
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 29, 2026 · Synced Jul 21, 2026, 4:59 PM EDT
Recruiting Phase 2 Interventional

A Study of TAK-360 in Adults With Narcolepsy Type 1 (Narcolepsy With Cataplexy)

NCT07633301
View directory record Official record
Conditions
Narcolepsy Type 1
Interventions
TAK-360, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 70 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Redwood City, California • Miami, Florida • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Jul 21, 2026, 4:59 PM 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 23, 2005 · Synced Jul 21, 2026, 4:59 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 Jul 21, 2026, 4:59 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 Jul 21, 2026, 4:59 PM 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 1, 2025 · Synced Jul 21, 2026, 4:59 PM EDT
Completed Phase 2 Interventional

Safety of NXY-059 for the Treatment of Patients Who Have Suffered From a Stroke

NCT00075959
View directory record Official record
Conditions
Intracerebral Hemorrhage
Interventions
NXY-059
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
64
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Fort Smith, Arkansas + 61 more
Source: ClinicalTrials.gov public record
Updated Jan 3, 2013 · Synced Jul 21, 2026, 4:59 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Flumazenil for the Treatment of Primary Hypersomnia

NCT01183312
View directory record Official record
Conditions
Hypersomnia, Primary Hypersomnia, Idiopathic Hypersomnia, Narcolepsy Without Cataplexy
Interventions
Flumazenil
Drug
Lead sponsor
Lynn Marie Trotti
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Jul 21, 2026, 4:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single-dose Safety Study of APD916 in Healthy Volunteers

NCT01093508
View directory record Official record
Conditions
Narcolepsy With or Without Cataplexy
Interventions
APD916
Drug
Lead sponsor
Arena Pharmaceuticals
Industry
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 1, 2010 · Synced Jul 21, 2026, 4:59 PM EDT
Completed Phase 2 Interventional

Clarithromycin Mechanisms in Hypersomnia Syndromes

NCT04026958
View directory record Official record
Conditions
Narcolepsy Without Cataplexy, Idiopathic Hypersomnia, Narcolepsy With Cataplexy
Interventions
Clarithromycin, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 60 Years
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 15, 2025 · Synced Jul 21, 2026, 4:59 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 Jul 21, 2026, 4:59 PM 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 11, 2022 · Synced Jul 21, 2026, 4:59 PM EDT
Completed Phase 3 Interventional Results available

Armodafinil (CEP-10953) for Treatment of Narcolepsy, Obstructive Sleep Apnea/Hypopnea Syndrome, or Chronic Shift Work Sleep Disorder

NCT00078312
View directory record Official record
Conditions
Narcolepsy, Sleep Apnea, Obstructive, Sleep Apnea Syndromes, Shift-Work Sleep Disorder
Interventions
CEP-10953 (Armodafinil)
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 65 Years
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
41
States / cities
Peoria, Arizona • Phoenix, Arizona • Tucson, Arizona + 35 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Jul 21, 2026, 4:59 PM EDT
No Longer Available No phase listed Expanded access

Expanded Access Program to Provide Treatment With Pitolisant to Adult Patients in the U.S. With Excessive Daytime Sleepiness Associated With Narcolepsy With or Without Cataplexy

NCT03433131
View directory record Official record
Conditions
Narcolepsy Without Cataplexy, Narcolepsy With Cataplexy
Interventions
Pitolisant
Drug
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
18 Years and older
U.S. locations
71
States / cities
Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 60 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Jul 21, 2026, 4:59 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 Jul 21, 2026, 4:59 PM EDT