A Study of a Single Intravenous Infusion Dose of TAK-925 in Participants With Idiopathic Hypersomnia

ClinicalTrials.gov ID: NCT04091438

Public ClinicalTrials.gov record NCT04091438. 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.

View official ClinicalTrials.gov record → Back to search

ClinicalTrials.gov public records Last synced Jul 21, 2026, 7:08 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 Phase 1b Randomized, Double-Blind, Placebo-Controlled, Crossover Study of a Single Intravenous Infusion Dose of TAK-925 in Patients With Idiopathic Hypersomnia

Study identification

NCT ID: NCT04091438
Recruitment status: Completed
Study type: Interventional
Phase: Phase 1
Lead sponsor: Millennium Pharmaceuticals, Inc.; Industry
Enrollment: 28 participants

Conditions and interventions

Conditions

Idiopathic Hypersomnia

Interventions

TAK-925 Drug
TAK-925 Placebo Drug

Drug

Eligibility (public fields only)

Age range: 18 Years to 75 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 25, 2020
Primary completion: Nov 18, 2020
Completion: Nov 22, 2020
Last update posted: Sep 25, 2023

2020

United States locations

U.S. sites: 20
U.S. states: 11
U.S. cities: 20

Facility	City	State	ZIP	Site status
Wright Clinical Research	Alabaster	Alabama	35007	—
Pulmonary Associates Clinical Trials	Glendale	Arizona	85306	—
Preferred Research Partners, Inc.	Little Rock	Arkansas	72211	—
Stanford School of Medicine	Redwood City	California	94063	—
Pacific Research Network, Inc	San Diego	California	92103	—
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	—
MD Clinical	Hallandale	Florida	33009	—
Research Centers of America	Hollywood	Florida	33024	—
Jacksonville Center for Clinical Research	Jacksonville	Florida	32216	—
Pulmonary Disease Specialists, PA, d/b/a PDS Research	Kissimmee	Florida	34741	—
Florida Pulmonary Research Institute, LLC	Winter Park	Florida	32789	—
NeuroTrials Research, Inc.	Atlanta	Georgia	30342	—
Global Research Associates	Stockbridge	Georgia	30281	—
Helene A. Emsellem, MD PC trading as "The Center for Sleep & Wake Disorders"	Chevy Chase	Maryland	20815	—
CTI Clinical Trial and Consulting Services	Cincinnati	Ohio	45212	—
The Cleveland Clinic Foundation	Cleveland	Ohio	44195	—
Bogan Sleep Consultants, LLC	Columbia	South Carolina	29201	—
Sleep Therapy & Research Center	San Antonio	Texas	78229	—

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 2 non-U.S. sites.

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT04091438, 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 Sep 25, 2023 · Synced Jul 21, 2026

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04091438 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →