ClinicalTrials.gov record
Completed Phase 2 Interventional Results available

A Study of TAK-861 in Participants With Narcolepsy Type 1

ClinicalTrials.gov ID: NCT05687903

Public ClinicalTrials.gov record NCT05687903. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 3, 2026, 9:23 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Double-blind, Placebo-Controlled Study to Evaluate the Efficacy, Safety, and Tolerability of TAK-861 for the Treatment of Narcolepsy With Cataplexy (Narcolepsy Type 1)

Study identification

NCT ID
NCT05687903
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Takeda
Industry
Enrollment
112 participants

Conditions and interventions

Interventions

  • Placebo Drug
  • TAK-861 Drug

Drug

Eligibility (public fields only)

Age range
16 Years to 70 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 8, 2023
Primary completion
Dec 13, 2023
Completion
Dec 13, 2023
Last update posted
Jan 8, 2025

2023

United States locations

U.S. sites
21
U.S. states
14
U.S. cities
21
Facility City State ZIP Site status
Sleep Disorders Center of Alabama Birmingham Alabama 35213-1966
Stanford Center for Sleep Sciences and Medicine Redwood City California 94063-3132
SDS Clinical Trials, Inc. Santa Ana California 92705-8519
Delta Waves LLC - Hunt - PPDS, Sleep Disorder and Research Center Colorado Springs Colorado 80918
Florida Pediatric Research Institute Orlando Florida 32803-1468
Neurotrials Research Atlanta Georgia 30342-1743
Georgia Neuro Center Gainesville Georgia 30501-3883
University of Kansas Medical Center Research Institute, Inc. Kansas City Kansas 66160-0001
Neurocare Inc Newton Massachusetts 02459-3233
Henry Ford Medical Center - Columbus Novi Michigan 48377
St. Lukes Sleep Medicine and Research Center Chesterfield Missouri 63017-3406
Research Carolina Elite Denver North Carolina 28037
ARSM Research, LLC Huntersville North Carolina 28078-5082
Intrepid Research Cincinnati Ohio 45227-2172
The Cleveland Clinic Foundation Cleveland Ohio 44195-0001
Ohio Sleep Medicine Institute Dublin Ohio 43017-3521
Medical University of South Carolina - PPDS Charleston South Carolina 29425-5712
Bogan Sleep Consultants, LLC Columbia South Carolina 29201-2923
Comprehensive Sleep Medicine Associates - Sugar Land Houston Texas 77030-2042
Sleep Therapy and Research Center San Antonio Texas 78229-4849
Children's Specialty Group Norfolk Virginia 23510-1021

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 36 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05687903, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jan 8, 2025 · Synced May 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05687903 live on ClinicalTrials.gov.

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