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Completed Phase 2 Interventional Results available

A Study to Evaluate the Efficacy, Safety, and Tolerability of JNJ-42847922 in Participants With Insomnia Disorder

ClinicalTrials.gov ID: NCT03375203

Public ClinicalTrials.gov record NCT03375203. 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 Nov 8, 2026, 5:06 PM EST

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Official title

A Multicenter, Double-Blind, Randomized, Parallel-Group, Active- and Placebo-Controlled Polysomnography Study to Evaluate the Efficacy, Safety, and Tolerability of JNJ-42847922 in Subjects With Insomnia Disorder

Brief summary

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

The purpose of this 2 month phase 2b study is to investigate the dose response of 3 doses of JNJ-42847922 (Seltorexant) (5,10 and 20 mg) compared to placebo and zolpidem on sleep onset and maintenance and to further document safety and tolerability of JNJ-42847922 (Seltorexant) upon multiple (14 days) dose administration in participants with insomnia disorder.

Study identification

NCT ID
NCT03375203
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Enrollment
365 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 85 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
Nov 23, 2017 (Actual)
Primary completion
Apr 3, 2019 (Actual)
Completion
Apr 3, 2019 (Actual)
Last update posted
Apr 29, 2025

2017 – 2019

United States locations

U.S. sites
24
U.S. states
12
U.S. cities
23
Facility City State ZIP Site status
Preferred Research Partners Little Rock Arkansas 72211 —
Woodland Research Northwest Rogers Arkansas 72758 —
California Research Trials DBA Orange Country Research Institute Anaheim California 92801 —
Excell Research Inc Oceanside California 92056 —
Artemis Institute for Clinical Research San Diego California 92103 —
Empire Clinical Research, LLC Upland California 91786 —
St. Francis Medical Institute Clearwater Florida 33765-2103 —
Avail Clinical Research, LLC DeLand Florida 32720 —
Sarkis Clinical Trials Lake City Florida 32025 —
Innovative Clinical Research Inc Lauderhill Florida 33319 —
Suncoast Research Group Miami Florida 33135 —
Renstar Medical Research Ocala Florida 34471 —
Palm Beach Research Center West Palm Beach Florida 33409 —
Atlanta Center for Medical Research Atlanta Georgia 30331 —
NeuroTrials Research, Inc. Atlanta Georgia 30342 —
Chicago Research Center Chicago Illinois 60634 —
Centennial Medical Group Elkridge Maryland 21075 —
Clinical Research Center of Nevada Las Vegas Nevada 89104 —
Gastonia Medical Specialty Clinic Gastonia North Carolina 28054 —
Clinical Research of Lake Norman Mooresville North Carolina 28117 —
CTI Clinical Trial and Consulting Services Cincinnati Ohio 45242 —
Lynn Health Science Institute Oklahoma City Oklahoma 73112 —
Clinical Research of Charleston Mt. Pleasant South Carolina 29464 —
FutureSearch Trials of Neurology, LP Austin Texas 78731 —

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 32 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03375203, 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 Apr 29, 2025 · Synced Nov 8, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03375203 live on ClinicalTrials.gov.

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