Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 19, 2026, 7:44 AM 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 39 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
Completed Phase 2 Interventional Results available

Clarithromycin Mechanisms in Hypersomnia Syndromes

NCT04026958
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
Conditions
Narcolepsy Type 1
Interventions
TAK-861, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
16 Years to 70 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
21
States / cities
Birmingham, Alabama • Redwood City, California • Santa Ana, California + 18 more
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
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
47
States / cities
Alabaster, Alabama • Peoria, Arizona • Phoenix, Arizona + 43 more
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
Conditions
Narcolepsy Type 1
Interventions
ALKS 2680, Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
29
States / cities
Los Angeles, California • Redwood City, California • San Francisco, California + 24 more
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
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
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
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
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
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
Conditions
Narcolepsy Type 1 (NT1), Narcolepsy Type 2 (NT2)
Interventions
TAK-994, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
36
States / cities
Alabaster, Alabama • Phoenix, Arizona • Bellflower, California + 31 more
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
22
States / cities
Cullman, Alabama • Phoenix, Arizona • Los Angeles, California + 19 more
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
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
Conditions
Idiopathic Hypersomnia, Narcolepsy Without Cataplexy
Interventions
Modafinil, Amphetamine-Dextroamphetamine
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Cerebral Stroke, Stroke, Acute, Cerebrovascular Stroke, Ischemic Attack, Transient
Interventions
NXY-059
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
3,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
98
States / cities
Birmingham, Alabama • Phoenix, Arizona • Fort Smith, Arkansas + 95 more
Conditions
EDS, Cataplexy, Fatigue, Narcolepsy
Interventions
HBS-301, Placebo
Drug · Other
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
18 Years and older
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
51
States / cities
Birmingham, Alabama • Mobile, Alabama • Peoria, Arizona + 46 more
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
20
States / cities
Birmingham, Alabama • Colorado Springs, Colorado • Brandon, Florida + 14 more
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
Completed Phase 1Phase 2 Interventional Results available

Flumazenil for the Treatment of Primary Hypersomnia

NCT01183312
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
Completed Phase 1 Interventional Accepts healthy volunteers

Single-dose Safety Study of APD916 in Healthy Volunteers

NCT01093508
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
Completed Phase 2 Interventional Results available

Clarithromycin for the Treatment of Hypersomnia

NCT01146600
Conditions
Hypersomnia, Idiopathic Hypersomnia, Narcolepsy
Interventions
Clarithromycin followed by placebo, Placebo then Clarithromycin
Drug
Lead sponsor
Lynn Marie Trotti
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Atlanta, Georgia