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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 Oct 22, 2026, 8:06 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

Brief summary

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

This study will be conducted to determine the dose response of lemborexant (LEM) on the change from baseline in actigraphy-derived sleep-related parameters, wake-related parameters, and circadian-rhythm related parameters. Following the eligibility screening period, eligible participants will be assigned at random to 1 of 4 doses of LEM or to placebo for 4 weeks. After a 2-week follow-up period, eligible participants may enter an open-label extension period for up to 30 months or until the program discontinuation.

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

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 20, 2016 (Actual)
Primary completion
Jul 26, 2018 (Actual)
Completion
Apr 17, 2020 (Actual)
Last update posted
May 17, 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 17, 2021 · Synced Oct 22, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03001557 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →