A Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group, Bayesian Adaptive Randomization Design, Dose Response Study of the Efficacy of E2006 in Adults and Elderly Subjects With Chronic Insomnia

ClinicalTrials.gov ID: NCT01995838

Public ClinicalTrials.gov record NCT01995838. 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.

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ClinicalTrials.gov public records Last synced Sep 5, 2026, 10:27 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

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

This is a multicenter, multiple dose, randomized, double-blind, placebo-controlled, parallel-group, Bayesian adaptive, dose response study in subjects with chronic insomnia. Subjects will be randomized to 1 of 6 doses of E2006 (1 mg, 2.5 mg, 5 mg, 10 mg, 15 mg, or 25 mg) or placebo.

Study identification

NCT ID: NCT01995838
Recruitment status: Completed
Study type: Interventional
Phase: Phase 2
Lead sponsor: Eisai Inc.; Industry
Enrollment: 291 participants

Conditions and interventions

Conditions

Interventions

E2006 Drug
Placebo Drug

Drug

Eligibility (public fields only)

Age range: 18 Years to 80 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: Nov 12, 2013
Primary completion: Apr 28, 2014
Completion: Apr 28, 2014
Last update posted: Jan 30, 2020

2013 – 2014

United States locations

U.S. sites: 29
U.S. states: 16
U.S. cities: 24

Facility	City	State	ZIP	Site status
Not listed	Glendale	Arizona	85306	—
Not listed	Phoenix	Arizona	85006	—
Not listed	Fountain Valley	California	92708	—
Not listed	Oceanside	California	92054	—
Not listed	San Diego	California	92103	—
Not listed	San Diego	California	92123	—
Not listed	Thousand Oaks	California	91360	—
Not listed	Colorado Springs	Colorado	80907	—
Not listed	Colorado Springs	Colorado	80909	—
Not listed	Brandon	Florida	33511	—
Not listed	Hallandale	Florida	33009	—
Not listed	Hollywood	Florida	33024	—
Not listed	South Miami	Florida	33143	—
Not listed	Atlanta	Georgia	30342	—
Not listed	Chicago	Illinois	60634	—
Not listed	Chicago	Illinois	60637	—
Not listed	Overland Park	Kansas	66212	—
Not listed	Glen Burnie	Maryland	21061	—
Not listed	Las Vegas	Nevada	89104	—
Not listed	New York	New York	10019	—
Not listed	Raleigh	North Carolina	27612	—
Not listed	Cincinnati	Ohio	45212	—
Not listed	Cincinnati	Ohio	45255	—
Not listed	Philadelphia	Pennsylvania	19118	—
Not listed	Columbia	South Carolina	29201-2953	—
Not listed	Austin	Texas	78731	—
Not listed	Austin	Texas	78744	—
Not listed	Dallas	Texas	75230	—
Not listed	Vienna	Virginia	22182	—

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 NCT01995838, 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 Jan 30, 2020 · Synced Sep 5, 2026

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The complete protocol, eligibility criteria, and contact information for NCT01995838 live on ClinicalTrials.gov.

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