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Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Respiratory Safety of Lemborexant in Adult and Elderly Healthy Subjects and Adult and Elderly Subjects With Mild Obstructive Sleep Apnea

ClinicalTrials.gov ID: NCT03471871

Public ClinicalTrials.gov record NCT03471871. 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, 12:05 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

A Randomized, Double-Blind, Placebo-Controlled, Crossover Study to Evaluate the Respiratory Safety of Lemborexant in Adult and Elderly Healthy Subjects and Adult and Elderly Subjects With Mild Obstructive Sleep Apnea

Study identification

NCT ID
NCT03471871
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Eisai Inc.
Industry
Enrollment
146 participants

Conditions and interventions

Interventions

  • Placebo Drug
  • Lemborexant 10 mg Drug
  • Lemborexant 25 mg Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 90 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 20, 2018
Primary completion
Aug 2, 2018
Completion
Aug 2, 2018
Last update posted
Feb 16, 2020

2018

United States locations

U.S. sites
11
U.S. states
7
U.S. cities
10
Facility City State ZIP Site status
PACT Glendale Arizona 85306
Pulmonary Associates, PA Phoenix Arizona 85006
Pacific Research Network. LLC San Diego California 92103
PAB Clinical Research Brandon Florida 33511
Research Centers of America Hollywood Florida 33024
Neurotrials Research, Inc Atlanta Georgia 30342
The Center for Sleep & Wake Disorders Chevy Chase Maryland 20815
Advarra Columbia Maryland 21046
Clinilabs Drug Development New York New York 10019
CTI Clinical Research Center Cincinnati Ohio 45212
Community Research Cincinnati Ohio 45227

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 NCT03471871, 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 Feb 16, 2020 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03471871 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →