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Completed Phase 3 Interventional

A Phase 3 Study to Assess the Safety and Efficacy of Pitolisant in Adult Patients With Idiopathic Hypersomnia

ClinicalTrials.gov ID: NCT05156047

Public ClinicalTrials.gov record NCT05156047. 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 Jul 21, 2026, 11:23 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 Double-Blind, Placebo-Controlled, Randomized Withdrawal Study to Evaluate the Safety and Efficacy of Pitolisant in Adult Patients With Idiopathic Hypersomnia

Study identification

NCT ID
NCT05156047
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Enrollment
214 participants

Conditions and interventions

Interventions

  • Open-label pitolisant Drug
  • Double-blind placebo Drug
  • Double-blind pitolisant Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
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 24, 2022
Primary completion
Sep 7, 2023
Completion
Sep 7, 2023
Last update posted
Sep 18, 2024

2022 – 2023

United States locations

U.S. sites
58
U.S. states
25
U.S. cities
56
Facility City State ZIP Site status
Phoenix Medical Group Peoria Arizona 85381
Mayo Clinic Scottsdale Arizona 85259
Cedars-Sinai Medical Towers Los Angeles California 90048
University of California- Los Angeles Los Angeles California 90095
Sleep Medicine Specialists of California San Ramon California 94583
SDS Clinical Trials Inc. Santa Ana California 92705
Santa Monica Clinical Trials Santa Monica California 90404
Alpine Clinical Research Center Boulder Colorado 80301
Norwalk Hospital Sleep Center Norwalk Connecticut 06850
Meris Clinical Research Brandon Florida 33511
St. Francis Medical Institute Clearwater Florida 33765
Sleep Medicine Specialists of South Florida, PA Miami Florida 33126
Pasadena Center For Medical Research, LLC St. Petersburg Florida 33763
Florida Pediatric Research Institute Winter Park Florida 32789
Neurotrials Research Inc. Atlanta Georgia 30328
The Neurological Center of North GA Gainesville Georgia 30501
Northwestern University Chicago Illinois 60611
NorthShore Uni HealthSys-Glenbrook Hospital Glenview Illinois 60026
OSF HealthCare Saint Francis Medical Center Peoria Illinois 61637
Helene A. Emsellem MD PC Chevy Chase Maryland 20815
Boston Children's Hospital Boston Massachusetts 02115
Neurocare, INC Newton Massachusetts 02459
Henry Ford Health System Novi Michigan 48377
Bronson Sleep Health Portage Michigan 49024
Clinical Neurophysiology Services Sterling Heights Michigan 48314
Minnesota Lung Center Edina Minnesota 55125
Minnesota Lung Center Woodbury Minnesota 55125
St. Luke's Sleep Medicine and Research Center Chesterfield Missouri 63017
Clayton Sleep Institute St Louis Missouri 63123
Great Plains Health North Platte Nebraska 69101
Neurology Specialists of Monmouth County, PA West Long Branch New Jersey 07764
Northwell Health New Hyde Park New York 11042
Research Carolina Elite LLC Denver North Carolina 28037
Duke University School of Medicine Durham North Carolina 27705
Clinical Research of Gastonia Gastonia North Carolina 28054
ARSM Research Huntersville North Carolina 28078
NeuroScience Research Center, LLC Canton Ohio 44718
Intrepid Research, LLC Cincinnati Ohio 45245
Rainbow Babies Children's Hospital Cleveland Ohio 44106
Cleveland Clinc Cleveland Ohio 44195
Ohio Sleep Medicine and Neuroscience Institue Dublin Ohio 43017
North Star Medical Research Middleburg Ohio 44130
CardioVoyage Ardmore Oklahoma 73401
Brian Abaluck, LLC Paoli Pennsylvania 19301
Abington Neurological Associates Willow Grove Pennsylvania 19090
Respiratory Specialists Wyomissing Pennsylvania 19610
Medical University of South Carolina- Institute of Psychiatry Charleston South Carolina 29425
Bogan Sleep Consultants Columbia South Carolina 29201
Lowcountry Lung Critical Care North Charleston South Carolina 29406
Advanced Center for Sleep Disorders Chattanooga Tennessee 37421
Neurology Clinic, P.C. Cordova Tennessee 38018
FutureSearch Trials of Neurology LP Austin Texas 78731
Central Texas Neurology Consultants, PA Round Rock Texas 78681
Comprehensive Sleep Medicine Associates Sugar Land Texas 77478
Northwest Houston Neurology and Sleep Tomball Texas 77375
Children's Hospital of the King's Daughter Norfolk Virginia 23507
West Virginia University - Department of Neurology Morgantown West Virginia 26506
University of Wisconsin-Madison Madison Wisconsin 53719

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05156047, 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 18, 2024 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05156047 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →