ClinicalTrials.gov record
Completed Phase 2 Interventional Results available

Study of Lemborexant for Irregular Sleep-Wake Rhythm Disorder and Mild to Moderate Alzheimer's Disease Dementia

ClinicalTrials.gov ID: NCT03001557

Public ClinicalTrials.gov record NCT03001557. 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 May 11, 2026, 2:41 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 Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study With Open-Label Extension Phase of the Efficacy and Safety of Lemborexant in Subjects With Irregular Sleep-Wake Rhythm Disorder and Mild to Moderate Alzheimer's Disease Dementia

Study identification

NCT ID
NCT03001557
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Eisai Inc.
Industry
Enrollment
63 participants

Conditions and interventions

Interventions

  • Lemborexant 10 mg Drug
  • Lemborexant 15 mg Drug
  • Lemborexant 2.5 mg Drug
  • Lemborexant 5 mg Drug
  • Lemborexant-matched placebo Drug

Drug

Eligibility (public fields only)

Age range
60 Years to 90 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
Dec 19, 2016
Primary completion
Jul 25, 2018
Completion
Apr 16, 2020
Last update posted
May 16, 2021

2016 – 2020

United States locations

U.S. sites
37
U.S. states
11
U.S. cities
33
Facility City State ZIP Site status
Facility #1 Little Rock Arkansas 72205
Facility #1 Rogers Arkansas 72758
Facility #1 Costa Mesa California 92626
Facility #1 Fullerton California 92835
Facility #1 Glendale California 91206
Facility #1 Irvine California 92614
Facility #1 Irvine California 92618
Facility #1 La Jolla California 92037-0949
Facility #1 San Diego California 92103
Facility #1 Santa Monica California 90404
Facility #1 Bradenton Florida 34205
Facility #1 Brandon Florida 33511
Facility #1 Brooksville Florida 34601
Facility #1 Hallandale Florida 33009
Facility #1 Miami Florida 33137
Facility #1 Miami Florida 33165
Facility #1 Miami Lakes Florida 33014
Facility #1 Miami Springs Florida 33016
Facility #1 Orlando Florida 32806
Facility #2 Orlando Florida 32806
Facility #1 Sunrise Florida 33351
Facility #2 Tampa Florida 33613
Facility #1 Atlanta Georgia 30331
Facility #1 Columbus Georgia 31909
Facility #1 Macon Georgia 31201
Facility #1 Wichita Kansas 67207
Facility #1 Belmont Massachusetts 02478
Nevada Senior Services (NSS) Adult Day Care Center Henderson Nevada
Facility #1 Las Vegas Nevada 89104
Facility #1 Toms River New Jersey 08755
Facility #2 Toms River New Jersey 08755
Facility #1 Charlotte North Carolina 28270
Facility #2 Durham North Carolina 27705
Facility #1 Raleigh North Carolina 27612
Facility #1 Norristown Pennsylvania 19401
Facility #1 Willow Grove Pennsylvania 19090
Facility #1 Columbia South Carolina 29203

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 11 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03001557, 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 May 16, 2021 · Synced May 11, 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 NCT03001557 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →