Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 25, 2026, 10:47 AM EDT

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Showing 25–36 of 12 matching trials from the live ClinicalTrials.gov search.
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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
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 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
2
States / cities
Huntersville, North Carolina • Columbia, South Carolina
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
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
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
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
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, 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
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 Type 1 (NT1), Narcolepsy With Cataplexy
Interventions
TAK-861, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
16 Years to 70 Years
Enrollment
88 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
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