RecruitingNarcolepsy Type 1
A Study of TAK-861 for the Treatment of Selected Central Hypersomnia Conditions
Eligible age
16–70 yrs
Accepts
All genders
Locations
12 states
Healthy volunteers
No
See if you qualify for this study
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About this study
The main aim is to evaluate the safety and tolerability of TAK-861 in participants with type 1 narcolepsy, who were exposed to previously tested doses of TAK-861.
Sponsor: Takeda
You may qualify if…
- ✓ 1\. Participant with a diagnosis of NT1 who has completed a controlled trial with TAK-861, and for whom the investigator has no clinical objection to their enrollment.
You may not qualify if…
- ✕ 1. Participant has a treatment-emergent adverse event (TEAE) that remains severe at the time of rollover related to the trial intervention from the parent trial or discontinued because of TEAEs in the parent trial.
- ✕ 2. Participant has a risk of suicide according to endorsement of item 4 or 5 on the Columbia Suicide Severity Rating Scale (C-SSRS).
- ✕ 3. The participant has alanine aminotransferase (ALT) and aspartate aminotransferase (AST) values greater than (\>) 1.5 times the upper limit of normal (ULN).
- ✕ 4. Participant has a current medical disorder, other than narcolepsy with or without cataplexy, associated with excessive daytime sleepiness (EDS).
- ✕ 5. Participant has current active major depressive episode (MDE) or has had an active MDE in the past 6 months.
- ✕ 6. Participant has developed (within the last 6 months) gastrointestinal disease that is expected to influence the absorption of drugs.
- ✕ 7. Participant has epilepsy or history of seizure.
- ✕ 8. Participant has any other medical condition, such as anxiety, depression, heart disease, or significant hepatic, pulmonary, or renal disease, that requires them to take excluded medications.
Where it's recruiting
Alabama
Birmingham
California
Redwood City · Santa Ana
Colorado
Colorado Springs
Florida
Orlando
Georgia
Atlanta · Gainesville
Massachusetts
Newton
Michigan
Novi
North Carolina
Denver · Huntersville
Ohio
Cincinnati · Cleveland · Dublin
South Carolina
Charleston · Columbia
Texas
San Antonio
Virginia
Norfolk
Source: ClinicalTrials.gov · NCT05816382 · last updated 2026-03-05