Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 21, 2026, 2:31 PM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
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 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 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
TAK-861
Drug
Lead sponsor
Takeda
Industry
Eligibility
16 Years to 70 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
19
States / cities
Birmingham, Alabama • Redwood City, California • Santa Ana, California + 15 more
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