Completed PHASE2 INTERVENTIONAL 2-arm NCT01995838

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

Sponsor: Eisai Inc.

Conditions Adults Chronic Insomnia Elderly

Interventions E2006 Placebo

Updated 8 times since 2017 Last updated: Jan 22, 2020 Started: Nov 13, 2013 Primary completion: Apr 29, 2014 Completion: Apr 29, 2014

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE2 clinical study on Adults and Chronic Insomnia, this trial is completed. The trial is conducted by Eisai Inc. and has accumulated 8 data snapshots since 2013. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

8 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE2
Sep 2024 — Sep 2025 [monthly]

Completed PHASE2
Jul 2024 — Sep 2024 [monthly]

Completed PHASE2
Jan 2021 — Jul 2024 [monthly]

Completed PHASE2
Feb 2020 — Jan 2021 [monthly]

Completed PHASE2

▶ Show 3 earlier versions

Jun 2018 — Feb 2020 [monthly]

Completed PHASE2
Feb 2017 — Jun 2018 [monthly]

Completed PHASE2
Jan 2017 — Feb 2017 [monthly]

Completed PHASE2

First recorded

Nov 2013

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Eisai Inc.

Data source: Eisai Inc.

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Atlanta, United States , Austin, United States , Brandon, United States , Chicago, United States , Cincinnati, United States , Colorado Springs, United States , Columbia, United States , Dallas, United States , Fountain Valley, United States , Glen Burnie, United States and 14 more locations