Completed OBSERVATIONAL NCT01129596

Post-marketing Surveillance of Long-term Administration of Donepezil Hydrochloride -Investigation of the Clinical Condition and Safety in Patients With Alzheimer's Disease-

Sponsor: Eisai Co., Ltd.

Updated 10 times since 2017 Last updated: Nov 2, 2018 Started: Jun 10, 2010 Primary completion: Sep 25, 2015 Completion: Jun 23, 2016

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

This observational or N/A phase trial investigates Alzheimer's Disease and is currently completed. Eisai Co., Ltd. leads this study, which shows 10 recorded versions since 2010 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

10 versions recorded

Sep 2025 — Present [monthly]

Completed
Sep 2024 — Sep 2025 [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
Jan 2021 — Jul 2024 [monthly]

Completed
Dec 2018 — Jan 2021 [monthly]

Completed

▶ Show 5 earlier versions

Sep 2018 — Dec 2018 [monthly]

Completed
Jun 2018 — Sep 2018 [monthly]

Completed
Apr 2018 — Jun 2018 [monthly]

Completed

Phase: NA → None
Mar 2017 — Apr 2018 [monthly]

Completed NA
Jan 2017 — Mar 2017 [monthly]

Completed NA

First recorded

Jun 2010

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Eisai Co., Ltd.

Data source: Eisai Inc.

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

Study Locations

Abashiri, Japan , Abiko, Japan , Adachi City, Japan , Ageo, Japan , Aichi, Japan , Aira, Japan , Aisai, Japan , Aizu-Wakamatsu, Japan , Akaiwa, Japan , Akashi, Japan and 692 more locations