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Study identifier: NCT05816382 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

A Study of TAK-861 for the Treatment of Selected Central Hypersomnia Conditions

Condition: Narcolepsy Type 1  ·  Sponsor: Takeda

PhasePhase 2/Phase 3
Planned participants500
Who can joinAll sexes, 16 Years to 70 Years
Healthy volunteersNo

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.

This description comes directly from the study's public registry record.

Talk to the study team

Takeda Contact  ·  +1-877-825-3327  ·  medinfoUS@takeda.com

Always discuss trial participation with your own doctor first.

Locations (52)

Sleep Disorders Center of AlabamaBirmingham, Alabama, United StatesRecruiting
Stanford Center for Sleep Sciences and MedicineRedwood City, California, United StatesRecruiting
SDS Clinical Trials, Inc.Santa Ana, California, United StatesRecruiting
Delta Waves LLC - Hunt - PPDSColorado Springs, Colorado, United StatesRecruiting
Florida Pediatric Research InstituteOrlando, Florida, United StatesRecruiting
Neurotrials ResearchAtlanta, Georgia, United StatesRecruiting
Georgia Neuro CenterGainesville, Georgia, United StatesRecruiting
Neurocare IncNewton, Massachusetts, United StatesRecruiting
Henry Ford Medical Center - ColumbusNovi, Michigan, United StatesRecruiting
Research Carolina EliteDenver, North Carolina, United StatesRecruiting
ARSM Research, LLCHuntersville, North Carolina, United StatesRecruiting
CTI Research CenterCincinnati, Ohio, United StatesRecruiting

+ 40 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT05816382