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Terminated Phase 2 Interventional Results available

Evaluating The Safety Of Donepezil Hydrochloride (Aricept) For Up To 1 Year In The Treatment Of The Cognitive Dysfunction Exhibited By Children With Down Syndrome - Follow-Up To A 10-Week, Double-Blind, Placebo-Controlled Trial

ClinicalTrials.gov ID: NCT00675025

Public ClinicalTrials.gov record NCT00675025. 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 27, 2026, 12:28 AM EDT

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

Official title

An Open-label Study to Evaluate the Safety of Donepezil Hydrochloride((Aricept®) for up to 1 Year in the Treatment of Cognitive Dysfunction Exhibited by Children With Down Syndrome-Follow-up to a 10-Week,Double-Blind,Placebo-Controlled Trial

Brief summary

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

The purpose of this study is to determine the safety of donepezil hydrochloride (Aricept) in children with Down syndrome who have finished the preceding 10-week, double-blind study of donepezil hydrochloride. Medical tests for drug safety will be conducted at each clinic visit.

Study identification

NCT ID
NCT00675025
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Eisai Inc.
Industry
Enrollment
117 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
10 Years to 17 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
Apr 4, 2008 (Actual)
Primary completion
Nov 13, 2008 (Actual)
Completion
Dec 15, 2008 (Actual)
Last update posted
Mar 29, 2021

2008

United States locations

U.S. sites
31
U.S. states
18
U.S. cities
27
Facility City State ZIP Site status
Phoenix Children's Hospital Phoenix Arizona 85016 —
Child Neurology Associates, PC Little Rock Arkansas 72205 —
Midwest Children's Health Research Institute Los Angeles California 90048 —
Children's Hospital and Research Center at Oakland Oakland California 94609 —
University of California, Irvine Medical Center Orange California 92868 —
UCSD Pediatric Pharmacology Research Unit San Diego California 92123 —
Rocky Mountain Pediatrics, P.C. Lakewood Colorado 80214 —
Neufeld Medical Group, Inc. Fort Myers Florida 33912 —
Miami Children's Hospital Miami Florida 33155-3009 —
Miami Children's Hospital - Medical Genetics and Neuro-Developmental Center Miami Florida 33155 —
Phoenix Children's Hospital Miami Florida 33155 —
Clinical Studies Centers, LLC St. Petersburg Florida 33709 —
Northwest Clinical Research Center West Palm Beach Florida 33407 —
Road Runner Research Atlanta Georgia 30342 —
Hurley Medical Center Flint Michigan 48503 —
Saint Mary's Health Care Grand Rapids Michigan 49503 —
Washington University School of Medicine Grand Rapids Michigan 49503 —
Regions Hospital Saint Paul Minnesota 55101-2595 —
Northwest Clinical Research Center St Louis Missouri 63110 —
Meridien Research Lincoln Nebraska 68504 —
Clinical Research Center of New Jersey Voorhees Township New Jersey 08043 —
Division of Genetics and Developmental Behavior Durham North Carolina 27710 —
Metrohealth Medical Center Cleveland Ohio 44109 —
Valko and Associates Toledo Ohio 43606 —
Office of Lazlo Mate Tulsa Oklahoma 74104 —
Medical Univ of South Carolina Charleston South Carolina 29425 —
Vanderbilt Children's Hospital Nashville Tennessee 37232-9225 —
Down Syndrome Clinic of Houston Houston Texas 77030 —
Alamo City Clinical Research, LLC San Antonio Texas 78258 —
Community Research Foundation San Antonio Texas 78258 —
Neuropsychiatric Research Center of Southwest Florida Bellevue Washington 98004 —

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 NCT00675025, 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 Mar 29, 2021 · Synced Oct 27, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00675025 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →