Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 3 Interventional Results available

Study to Assess the Long Term Safety and Tolerability of ACT-541468 (Daridorexant) in Adult and Elderly Subjects Suffering From Difficulties to Sleep

ClinicalTrials.gov ID: NCT03679884

Public ClinicalTrials.gov record NCT03679884. 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 Sep 3, 2026, 2:55 PM EDT

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

Official title

Multi-center, Double-blind, Parallel-group, Randomized, Placebo-controlled, Three Doses, 40-week Extension to Studies ID-078A301 and ID-078A302 to Assess the Long Term Safety and Tolerability of ACT-541468 in Adult and Elderly Subjects With Insomnia Disorder

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Study to assess the long term safety and tolerability of daridorexant in adult and elderly subjects suffering from difficulties to sleep

Study identification

NCT ID
NCT03679884
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Enrollment
804 participants

Conditions and interventions

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
Oct 8, 2018
Primary completion
Feb 21, 2021
Completion
Feb 21, 2021
Last update posted
Mar 1, 2022

2018 – 2021

United States locations

U.S. sites
53
U.S. states
22
U.S. cities
50
Facility City State ZIP Site status
Pulmonary Associates of the Southeast/WCR Birmingham Alabama 35243
Pulmonary Associates, Pa Glendale Arizona 85306
Noble Clinical Research Tucson Arizona 85704
Preferred Research Partners, Inc Little Rock Arkansas 72211
Woodland International Research Group Little Rock Arkansas 72211
Core Healthcare Group Cerritos California 90703
Marvel Clinical Research Huntington Beach California 92647
Clinical Trials Research Lincoln California 95648
Long Beach Clinical Trials Long Beach California 90806
Artemis Institute For Clinical Research - Riverside Riverside California 92503
Artemis institute for Clinical Research San Diego California 92103
Pacific Research Network San Diego California 92103
Artemis Institute for Clinical Research San Marcos California 92078
Santa Monica Clinical Trials Santa Monica California 90404
Empire Clinical Research Upland California 91786
Innovative Clinical Research Lafayette Colorado 80026
PAB Clinical Research Brandon Florida 33511
St. Francis Sleep Allergy and Lung Institute Clearwater Florida 33765
Clinical Research of South Florida Coral Gables Florida 33134
Fleming Island Center for Clinical Research Fleming Island Florida 32003
Research Centers of America Hollywood Florida 33024
Canvas Clinical Research, LLC Lake Worth Florida 33467
BioMed Research Institute Miami Florida 33126
Clinical Research Group of St. Petersburgh St. Petersburg Florida 33707
Clinical Site Partners, LLC Winter Park Florida 32789
Neurotrials Research Incorporated Atlanta Georgia 30342
Sleep Practitioners, LLC Macon Georgia 31210
Saltzer Clinical Research Nampa Idaho 83686
Helene Emsellem, MD Chevy Chase Maryland 20815
Sleep Disorders Center of the Mid-Atlantic Glen Burnie Maryland 21061
Infinity Medical Research, Inc. North Dartmouth Massachusetts 02747
Precise Research Centers Flowood Mississippi 39232
Barrett Clinic La Vista Nebraska 68128
Clinical Research Center of Nevada Las Vegas Nevada 89104
Clinilabs NYC New York New York 10019
Research Carolina of Hickory Hickory North Carolina 28601
Research Carolina of Huntersville Huntersville North Carolina 28078
Coastal Carolina Healthcare New Bern North Carolina 28562
Wake Research Associates Raleigh North Carolina 27604-1547
Clinical Trials of America - NC, LLC Winston-Salem North Carolina 27103
CTI Clinical Research II Cincinnati Ohio 45212
CTI Clinical Research Center Cincinnati Ohio 45255
Aventiv Research Inc. Dublin Ohio 43016
Cleveland Sleep Research Center Middleburg Heights Ohio 44130
Oregon Center for Clinical Investigations,Inc Salem Oregon 97301
Brian Abaluck LLC Paoli Pennsylvania 19301
Omega Medical Research Warwick Rhode Island 02886
FutureSearch Trials of Neurology, LP Austin Texas 78731
Inquest Clinical Research Baytown Texas 77521
InSite Clinical Research DeSoto Texas 75115
Jacksonville Center for Clinical Research Jacksonville Texas 32216
Sleep Disorders Centers of the Mid-Atlantic Vienna Virginia 22182
Swedish Medical Center Seattle Washington 98122

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 53 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03679884, 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 Mar 1, 2022 · Synced Sep 3, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03679884 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →