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Completed No phase listed Observational

A Study to Determine the Signs and Symptoms That Impact Daily Life of Participants With Irregular Sleep-Wake Rhythm Disorder

ClinicalTrials.gov ID: NCT04300569

Public ClinicalTrials.gov record NCT04300569. 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, 12:19 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 Prospective, Non-Interventional Study to Determine Signs and Symptoms That Impact Daily Life of Patients With Irregular Sleep-Wake Rhythm Disorder and Their Caregivers

Brief summary

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

The primary purpose of this study is to determine the signs and symptoms of irregular sleep-wake rhythm disorder (ISWRD) that are important to patients and caregivers of patients with Alzheimer's disease dementia (AD-D), AD-D with cerebrovascular disease (CVD), and/or vascular dementia (VaD) and ISWRD, and to draft an instrument or instruments to assess them.

Study identification

NCT ID
NCT04300569
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Eisai Inc.
Industry
Enrollment
37 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 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
Jul 9, 2020 (Actual)
Primary completion
Sep 7, 2020 (Actual)
Completion
Sep 7, 2020 (Actual)
Last update posted
Oct 27, 2020

2020

United States locations

U.S. sites
6
U.S. states
4
U.S. cities
6
Facility City State ZIP Site status
ATP Clinical Research Costa Mesa California 92626 —
Pacific Research Network Inc San Diego California 92103 —
Miami Jewish Health Systems Miami Florida 33137 —
Panax Clinical Research Miami Lakes Florida 33014 —
Atlanta Center for Medical Research Atlanta Georgia 30331 —
Abington Neurologic Associate Willow Grove Pennsylvania 19090 —

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 NCT04300569, 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 Oct 27, 2020 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04300569 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →