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ClinicalTrials.gov public records Last synced Oct 5, 2026, 11:46 PM EDT

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Showing 25–36 of 36 matching trials from the live ClinicalTrials.gov search.
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 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
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
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, 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
Narcolepsy With Cataplexy, Narcolepsy, Narcolepsy Without Cataplexy
Interventions
Mazindol
Drug
Lead sponsor
NLS Pharmaceutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
22
States / cities
Birmingham, Alabama • Redwood City, California • San Diego, California + 17 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
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 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
Terminated Phase 2 Interventional Results available

A Study of TAK-994 in Adults With Narcolepsy

NCT04820842
Conditions
Narcolepsy Type 1 (NT 1)
Interventions
TAK-994, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
35
States / cities
Alabaster, Alabama • Phoenix, Arizona • Bellflower, California + 29 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
Interventions
SUVN-G3031, Placebo
Drug
Lead sponsor
Suven Life Sciences Limited
Industry
Eligibility
18 Years to 65 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
39
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 30 more