Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 15, 2026, 10:17 PM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Healthy Volunteers
Interventions
TAK-994, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 40 Years · Male only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
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
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
Healthy Participants
Interventions
TAK-994, TAK-994 Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Glendale, California • Salt Lake City, Utah