ClinicalTrials.gov record
Terminated Phase 2 Interventional Results available

A Study of TAK-994 in Adults With Type 1 and Type 2 Narcolepsy

ClinicalTrials.gov ID: NCT04096560

Public ClinicalTrials.gov record NCT04096560. 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 Apr 23, 2026, 5:16 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, Multiple Rising Oral Dose Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of TAK-994 in Patients With Narcolepsy With or Without Cataplexy (Narcolepsy Type 1 or Narcolepsy Type 2)

Study identification

NCT ID
NCT04096560
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Takeda
Industry
Enrollment
97 participants

Conditions and interventions

Interventions

  • Placebo Drug
  • TAK-994 Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 65 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
May 26, 2020
Primary completion
Nov 4, 2021
Completion
Nov 4, 2021
Last update posted
Oct 28, 2024

2020 – 2021

United States locations

U.S. sites
36
U.S. states
16
U.S. cities
34
Facility City State ZIP Site status
Wright Clinical Research Alabaster Alabama 35007
Mayo Clinic Arizona Phoenix Arizona 85054
CITrials - Bellflower Bellflower California 90706
Santa Monica Clinical Trials Los Angeles California 90025
Stanford School of Medicine Redwood City California 94063
Pacific Research Network, Inc San Diego California 92128
SDS Clinical Trials, Inc. Santa Ana California 92705
Alpine Clinical Research Center Boulder Colorado 80301
Delta Waves Sleep Disorders and Research Center Colorado Springs Colorado 80918
St. Francis Medical Institute Clearwater Florida 33765
Sleep Medicine Specialists of South Florida Miami Florida 33126
Clinical Trials of Florida Miami Florida 33186
JSV Clinical Research Study, Inc Tampa Florida 33624
Florida Pulmonary Research Institute, LLC Winter Park Florida 32789
NeuroTrials Research, Inc. Atlanta Georgia 30328
iResearch Atlanta, LLC Decatur Georgia 30030
Sleep Practitioners, LLC Macon Georgia 31210
Global Research Associates Stockbridge Georgia 30281
Hawaii Pacific Neuroscience Honolulu Hawaii 96817
Lutheran Sleep Disorder Center Fort Wayne Indiana 46804
University of Kansas Medical Center Research Institute, Inc. Kansas City Kansas 66160
Helene A. Emsellem, MD PC trading as "The Center for Sleep & Wake Disorders" Chevy Chase Maryland 20815
Boston Children's Hospital Boston Massachusetts 02115
Neurocare, Inc., dba Neurocare Center for Research Newton Massachusetts 02459
Research Carolina Elite LLC Denver North Carolina 28037
Clinical Research of Gastonia Gastonia North Carolina 28054
Raleigh Neurology Associates Raleigh North Carolina 27607
CTI Clinical Research Center Cincinnati Ohio 45245
Intrepid Research Cincinnati Ohio 45245
The Cleveland Clinic Foundation Cleveland Ohio 44195
Ohio Sleep Medicine and Neuroscience Institute Dublin Ohio 43017
Respiratory Specialists Wyomissing Pennsylvania 19610
Medical University of South Carolina (MUSC) Charleston South Carolina 29425
Bogan Sleep Consultants, LLC Columbia South Carolina 29201
Sleep Therapy & Research Center San Antonio Texas 78229
Comprehensive Sleep Medicine Associates Sugar Land Texas 77478

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 42 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04096560, 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 Oct 28, 2024 · Synced Apr 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04096560 live on ClinicalTrials.gov.

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