Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
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 Oct 21, 2026, 7:09 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

Brief summary

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

This study will be conducted to determine whether lemborexant as compared to placebo decreases the peripheral oxygen saturation during total sleep time in healthy adult and elderly participants after a single dose of treatment and to determine whether it increases the apnea-hypopnea index after single and multiple doses of treatment in adult and elderly participants with mild obstructive sleep apnea (OSA).

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

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 21, 2018 (Actual)
Primary completion
Aug 3, 2018 (Actual)
Completion
Aug 3, 2018 (Actual)
Last update posted
Feb 17, 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 17, 2020 · Synced Oct 21, 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 public registry record, listed eligibility criteria, and available contact information for NCT03471871 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →