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ClinicalTrials.gov public records Last synced Oct 26, 2026, 1:33 PM EDT

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Showing 1–24 of 67 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Donepezil plus placebo Clear all
Terminated Phase 1 Interventional Accepts healthy volunteers

Assessment Of The Effects Of Single Doses Of An Investigational Drug, Given Alone Or With Donepezil, On Scopolamine-Induced Changes In Memory And Learning In Healthy Adults

NCT01345864
View directory record Official record
Conditions
Healthy
Interventions
Scopolamine + Donepezil Placebo + PF-04995274 Placebo, Scopolamine + Donepezil 5 mg + PF-04995274 Placebo, Scopolamine + Donepezil 10mg + PF-04995274 Placebo, Scopolamine + Donepezil Placebo + PF-04995274 0.25 mg, Scopolamine + Donepezil Placebo + PF-04995274 15 mg
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 17, 2011 · Synced Oct 26, 2026, 1:33 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 26, 2026, 1:33 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 26, 2026, 1:33 PM EDT
Completed Phase 4 Interventional Results available

Combination Treatment Study for Memory Impairment and Depression

NCT01658228
View directory record Official record
Conditions
Depression, Mild Cognitive Impairment
Interventions
Donepezil, Placebo, Citalopram, Venlafaxine
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
55 Years to 95 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
2
States / cities
New York, New York • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 17, 2017 · Synced Oct 26, 2026, 1:33 PM EDT
Withdrawn Phase 4 Interventional

Evaluating The Impact Of Donepezil Hydrochloride (Aricept) On Behavioral And Psychological Symptoms In Patients With Severe Alzheimer's Disease

NCT00711204
View directory record Official record
Conditions
Severe Alzheimer's Disease
Interventions
Donepezil Hydrochloride (Aricept)
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
50 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 10, 2012 · Synced Oct 26, 2026, 1:33 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 26, 2026, 1:33 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 26, 2026, 1:33 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

TAK-071 Scopolamine-Induced Cognitive Impairment Study

NCT02918266
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Scopolamine, TAK-071, Donepezil, Scopolamine Placebo, TAK-071 Placebo, Donepezil Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Jun 14, 2019 · Synced Oct 26, 2026, 1:33 PM EDT
Completed Phase 4 Interventional Results available

Detecting an Early Response to Donepezil With Measures of Visual Attention

NCT03073876
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Donepezil Hydrochloride, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
50 Years to 95 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2021
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Oct 26, 2026, 1:33 PM EDT
Completed Phase 1 Interventional Results available

MK-1942/Donepezil Interactions in Participants With Alzheimer's Disease (MK-1942-005)

NCT04308304
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
MK-1942, Donepezil, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Rogers, Arkansas • Hallandale, Florida • Decatur, Georgia + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2024 · Synced Oct 26, 2026, 1:33 PM EDT
Completed Phase 2 Interventional

A Study of RO4602522 in Participants With Moderate Severity Alzheimer Disease on Background Alzheimer Disease Therapy

NCT01677754
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
RO4602522, Placebo, Donepezil, Memantine, Rivastigmine, Galantamine
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
50 Years to 90 Years
Enrollment
542 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
42
States / cities
Anaheim, California • Fullerton, California • Lomita, California + 36 more
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 26, 2026, 1:33 PM EDT
Completed Phase 2 Interventional Results available

Study in Elderly Alzheimer's Patients to Assess Skin Tolerability, Irritation With 3, 7-Day Applications of DTP-System

NCT00916383
View directory record Official record
Conditions
Irritation/Irritant
Interventions
350 mg Donepezil Transdermal Patch, Placebo Patch
Drug
Lead sponsor
Teikoku Pharma USA, Inc.
Industry
Eligibility
65 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
7
States / cities
Phoenix, Arizona • Fresno, California • Garden Grove, California + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Oct 26, 2026, 1:33 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Evaluating The Coadministration of Begacestat And Donepezil

NCT00959881
View directory record Official record
Conditions
Healthy Subjects
Interventions
Donepezil plus placebo, Donepezil, Begacestat
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 50 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 4, 2011 · Synced Oct 26, 2026, 1:33 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Study of TAK-071 in Healthy Participants and Participants With Mild Cognitive Impairment/Mild Alzheimer Disease and Relative Bioavailability (BA) and Food Effect of TAK-071 in Healthy Participants

NCT02769065
View directory record Official record
Conditions
Alzheimer Disease, Healthy Volunteers
Interventions
TAK-071, Donepezil, TAK-071 Placebo, Donepezil Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 90 Years
Enrollment
179 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2019 · Synced Oct 26, 2026, 1:33 PM EDT
Completed Phase 1 Interventional

A Study of the Safety and Tolerability of ASP0777 in Subjects With Alzheimer's Disease (AD) Taking a Stable Dose of Donepezil

NCT01406145
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
ASP0777, Placebo
Drug
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
50 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
2
States / cities
San Diego, California • Hallandale, Florida
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Oct 26, 2026, 1:33 PM EDT
Completed Phase 2 Interventional Results available

SUVN-502 With Donepezil and Memantine for the Treatment of Moderate Alzheimer's Disease- Phase 2a Study

NCT02580305
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
SUVN-502, Placebo, Donepezil, Memantine
Drug
Lead sponsor
Suven Life Sciences Limited
Industry
Eligibility
50 Years to 85 Years
Enrollment
564 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
71
States / cities
Phoenix, Arizona • Tucson, Arizona • Costa Mesa, California + 56 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2023 · Synced Oct 26, 2026, 1:33 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 26, 2026, 1:33 PM EDT
Completed Phase 2 Interventional

A Study of RO5313534 as Add-on to Donepezil Treatment in Patients With Mild to Moderate Alzheimer's Disease

NCT00884507
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Placebo, RO5313534
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
50 Years and older
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
15
States / cities
Orange, California • Torrance, California • Norwalk, Connecticut + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 26, 2026, 1:33 PM EDT
Completed Phase 2 Interventional Results available

Evaluating The Efficacy And Safety Of Donepezil Hydrochloride (HCl) (Aricept) In Treating Cognitive Dysfunction Exhibited By Children With Down Syndrome

NCT00570128
View directory record Official record
Conditions
Down Syndrome
Interventions
Donepezil HCl, Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
10 Years to 17 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
31
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced Oct 26, 2026, 1:33 PM EDT
Completed Phase 2 Interventional

VI-1121 for the Treatment Alzheimer's Disease

NCT01428362
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
VI-1121, Placebo
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
60 Years to 85 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
11
States / cities
San Francisco, California • Santa Monica, California • Sunrise, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2013 · Synced Oct 26, 2026, 1:33 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 26, 2026, 1:33 PM EDT
Completed Phase 2 Interventional

Efficacy and Safety Study for Subjects With Mild-to-Moderate Alzheimer's Disease

NCT00948909
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Placebo, ABT-126, donepezil
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
55 Years to 90 Years
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
3
States / cities
Fresno, California • West Palm Beach, Florida • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 31, 2013 · Synced Oct 26, 2026, 1:33 PM EDT
Completed Phase 2 Interventional Results available

Donepezil HCl & Cognitive Deficits in Autism

NCT00047697
View directory record Official record
Conditions
Autistic Disorder
Interventions
Donepezil HCl, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
8 Years to 17 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Oct 26, 2026, 1:33 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 26, 2026, 1:33 PM EDT