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ClinicalTrials.gov public records Last synced Oct 3, 2026, 7:41 PM EDT

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Showing 49–67 of 67 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Donepezil plus placebo Clear all
Completed Phase 2 Interventional

The Efficacy, Safety, And Tolerability Of Donepezil HCl (E2020) In Patients With CADASIL Who Have Cognitive Impairment

NCT00103948
View directory record Official record
Conditions
Cognitive Impairment
Interventions
Aricept
Drug
Lead sponsor
Eisai Limited
Industry
Eligibility
25 Years to 70 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
Maywood, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 3, 2015 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 2 Interventional

Study Evaluating Lecozotan SR in Mild to Moderate Alzheimer's Disease (AD)

NCT00151398
View directory record Official record
Conditions
Alzheimer Disease
Interventions
lecozotan SR, Donepezil
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
50 Years and older
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
35
States / cities
Phoenix, Arizona • Tucson, Arizona • Costa Mesa, California + 31 more
Source: ClinicalTrials.gov public record
Updated May 6, 2022 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 3 Interventional Results available

Study of Idalopirdine in Patients With Mild - Moderate Alzheimer's Disease Treated With Donepezil

NCT01955161
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Placebo, Idalopirdine
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
50 Years and older
Enrollment
933 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
46
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 40 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2017 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 1 Interventional Results available

A Brief Study To Evaluate The Safety, Tolerability, And Blood Levels Of Multiple Doses Of PF-044467943 Or Placebo In Combination With Donepezil In Subjects With Mild To Moderate Alzheimer's Disease

NCT00988598
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
PF-04447943, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
55 Years to 85 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
3
States / cities
Glendale, California • Gainesville, Florida • Hallandale, Florida
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 4 Interventional Results available

The Impact of Arousal Threshold in Obstructive Sleep Apnea

NCT02264353
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Donepezil, placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 8, 2019 · Synced Oct 3, 2026, 7:41 PM EDT
Terminated Phase 2 Interventional Results available

A Trial of the Drug Donepezil for Sleep Enhancement and Behavioral Change in Children With Autism

NCT01887132
View directory record Official record
Conditions
Autism Spectrum Disorders
Interventions
Donepezil, Placebo
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
24 Months to 50 Months
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Oct 3, 2026, 7:41 PM EDT
Terminated Phase 3 Interventional Results available

Evaluating The Efficacy And Safety Of Donepezil Hydrochloride (Aricept) In The Treatment Of The Cognitive Dysfunction Exhibited By Children With Down Syndrome, Aged 6 To 10

NCT00754013
View directory record Official record
Conditions
Down Syndrome, Cognitive Dysfunction
Interventions
Aricept (Donepezil hydrochloride), Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
6 Years to 10 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
San Antonio, Texas • Herndon, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 28, 2020 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 4 Interventional

The Evaluation of the Efficacy and Safety of Donepezil Hydrochloride in Subjects With Mild Cognitive Impairment (MCI)

NCT00293176
View directory record Official record
Conditions
Memory Loss
Interventions
Donepezil Hydrochloride, Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
45 Years to 90 Years
Enrollment
821 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
54
States / cities
Albaster, Alabama • Mesa, Arizona • Peoria, Arizona + 51 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2011 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 1 Interventional

Safety and Tolerability of Dimebon in Patients on Memantine, and Memantine Plus Donepezil

NCT00829816
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Dimebon, Placebo
Drug
Lead sponsor
Medivation, Inc.
Industry
Eligibility
50 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
4
States / cities
Los Alamitos, California • National City, California • Delray Beach, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Donepezil Hydrochloride in Preadolescent and Adolescent Children With Attention Impairment Following Cancer Treatment

NCT00688376
View directory record Official record
Conditions
Attention Impairment
Interventions
Donepezil hydrochloride, Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
6 Years to 17 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
13
States / cities
Stanford, California • Miami, Florida • Minneapolis, Minnesota + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2022 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 3 Interventional

Donepezil and Vitamin E to Prevent Side Effects Caused By Radiation Therapy to the Head in Patients Receiving Treatment for Small Cell Lung Cancer

NCT00006349
View directory record Official record
Conditions
Cognitive/Functional Effects, Delirium, Depression, Lung Cancer, Radiation Toxicity
Interventions
vitamin E, donepezil hydrochloride, placebo
Dietary Supplement · Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
15
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Peoria, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2016 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Not applicable Interventional Results available

Rosiglitazone (Extended Release Tablets) As Adjunctive Therapy For Subjects With Mild To Moderate Alzheimer's Disease

NCT00348309
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Rosiglitazone Extended Release 2mg, Rosiglitazone Extended Release 8mg, Placebo, Donepezil
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years to 90 Years
Enrollment
1,496 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
41
States / cities
Litchfield Park, Arizona • Phoenix, Arizona • Little Rock, Arkansas + 36 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2017 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 3 Interventional

Efficacy and Safety of Aricept in the Treatment of Severe Alzheimer's Disease

NCT00096473
View directory record Official record
Conditions
Alzheimer's Disease, Dementia
Interventions
Donepezil hydrochloride
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
50 Years and older
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
28
States / cities
Northport, Alabama • Phoenix, Arizona • Sun City, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2011 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 2 Interventional

Short Term Effects of PRX-03140 in Patients With Mild Alzheimer's Disease Being Treated With Aricept

NCT00384423
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
PRX-03140
Drug
Lead sponsor
Epix Pharmaceuticals, Inc.
Industry
Eligibility
60 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
17
States / cities
Paramount, California • Rancho Mirage, California • San Diego, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2008 · Synced Oct 3, 2026, 7:41 PM EDT
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

NCT00675025
View directory record Official record
Conditions
Down Syndrome
Interventions
Donepezil hydrochloride (Aricept)
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
10 Years to 17 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
31
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2021 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 1 Interventional Results available

Efficacy and Safety of MK-1167 in Participants With Alzheimer's Disease Dementia Taking Stable Donepezil Treatment (MK-1167-007)

NCT06285240
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
MK-1167, Donepezil, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years to 90 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
3
States / cities
Hallandale, Florida • Decatur, Georgia • Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 3 Interventional Results available

Rosiglitazone (Extended Release Tablets) As Monotherapy In Subjects With Mild To Moderate Alzheimer's Disease

NCT00428090
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Rosiglitazone
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years to 90 Years
Enrollment
862 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
41
States / cities
Phoenix, Arizona • Los Angeles, California • Newport Beach, California + 34 more
Source: ClinicalTrials.gov public record
Updated May 19, 2017 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 2 Interventional

Effect of Different Doses of SAR110894 on Cognition in Patients With Mild to Moderate Alzheimer's Disease on Donepezil

NCT01266525
View directory record Official record
Conditions
Dementia Alzheimer's Type
Interventions
SAR110894, placebo (for SAR110894), Donepezil
Drug
Lead sponsor
Sanofi
Industry
Eligibility
55 Years and older
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
27
States / cities
Gilbert, Arizona • Phoenix, Arizona • Costa Mesa, California + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2016 · Synced Oct 3, 2026, 7:41 PM EDT
Completed Phase 3 Interventional

Safety and Efficacy Study Evaluating Dimebon in Patients With Mild to Moderate Alzheimer's Disease on Donepezil

NCT00829374
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Dimebon, Placebo comparator
Drug
Lead sponsor
Medivation, Inc.
Industry
Eligibility
50 Years and older
Enrollment
1,003 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
52
States / cities
Phoenix, Arizona • Sun City, Arizona • Tucson, Arizona + 49 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Oct 3, 2026, 7:41 PM EDT