Efficacy and Safety of Aricept in the Treatment of Severe Alzheimer's Disease
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT00096473 |
Recruitment Status :
Completed
First Posted : November 10, 2004
Last Update Posted : April 1, 2011
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Donepezil hydrochloride (Aricept) has been approved to treat symptoms associated with mild to moderate Alzheimer's disease (AD). Aricept has been shown to improve the memory and thinking abilities, activities of daily living and global function in patients. The purpose of the study is to further investigate the effectiveness and safety of donepezil in patients with severe Alzheimer's disease.
Donepezil is thought to work in the brain by increasing the levels of an important brain chemical called acetylcholine. This chemical helps a person's memory to work better.
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Alzheimer's Disease Dementia | Drug: Donepezil hydrochloride | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 229 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Double |
Primary Purpose: | Treatment |
Official Title: | A 24 Week, Multicenter, Randomized, Double-Blind, Placebo-Controlled Evaluation of the Safety and Efficacy of Donepezil Hydrochloride (E2020) in Patients With Severe Alzheimer's Disease Followed by a 12 Week Open-Label Extension Period |
Study Start Date : | January 2001 |
Actual Primary Completion Date : | June 2005 |
Actual Study Completion Date : | September 2005 |

- Assessments of global and cognitive function of Severe AD patients
- Assessment of behavior and performance on Activity of Daily Living in severe AD patients
- Assessment of caregiver burden

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Ages Eligible for Study: | 50 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Clinically diagnosed Alzheimer's Disease with MMSE score 1~12
- Have not been treated by any medication for Alzheimer's Disease in past 3 months
- Live in community or Assisted Living Facility
- Healthy or with chronic diseases that are medically controlled or stabilized
- Able to swallow tablets
Exclusion Criteria:
- Any primary neurological or psychiatric diagnosis (including depressive disorder) other than Alzheimer's Disease
- Dementia caused by organic diseases other than Alzheimer's Disease

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00096473
United States, Alabama | |
Northport, Alabama, United States | |
United States, Arizona | |
Phoenix, Arizona, United States | |
Sun City, Arizona, United States | |
Tucson, Arizona, United States | |
United States, California | |
San Francisco, California, United States | |
Santa Monica, California, United States | |
Torrance, California, United States | |
United States, Colorado | |
Denver, Colorado, United States | |
United States, Florida | |
Ft. Lauderdale, Florida, United States | |
Ft. Myers, Florida, United States | |
North Miami, Florida, United States | |
St. Petersburg, Florida, United States | |
United States, Georgia | |
Atlanta, Georgia, United States | |
United States, Illinois | |
Chicago, Illinois, United States | |
United States, Louisiana | |
New Orleans, Louisiana, United States | |
United States, Massachusetts | |
Springfield, Massachusetts, United States | |
United States, New Jersey | |
Long Branch, New Jersey, United States | |
Piscataway, New Jersey, United States | |
United States, New York | |
New Hyde Park, New York, United States | |
United States, North Carolina | |
Greenville, North Carolina, United States | |
Raleigh, North Carolina, United States | |
United States, Ohio | |
Centerville, Ohio, United States | |
United States, Oklahoma | |
Oklahoma City, Oklahoma, United States | |
United States, Oregon | |
Medford, Oregon, United States | |
Portland, Oregon, United States | |
United States, Pennsylvania | |
Jenkintown, Pennsylvania, United States | |
United States, Texas | |
Austin, Texas, United States | |
Houston, Texas, United States | |
Australia, New South Wales | |
Randwick, New South Wales, Australia | |
Australia, Queensland | |
Brisbane, Queensland, Australia | |
Australia, South Australia | |
Woodville South, South Australia, Australia | |
Australia, Victoria | |
Heidelberg West, Victoria, Australia | |
Australia, Western Australia | |
Nedlands, Western Australia, Australia | |
Canada, Ontario | |
Toronto, Ontario, Canada | |
France | |
Hôpital Broca-La Rochefoucauld | |
Paris, France | |
Ireland | |
Belfast, Ireland | |
United Kingdom | |
St. Leonards on Sea, East Sussex, United Kingdom | |
West End, Southampton, United Kingdom | |
Swindon, Wilshire, United Kingdom | |
Bath, United Kingdom | |
Blackpool, United Kingdom | |
Bradford, United Kingdom |
Study Director: | Sharon Richardson, Ph.D. | Eisai Inc. | |
Study Director: | Honglan Li, Ph.D. | Eisai Inc. |
ClinicalTrials.gov Identifier: | NCT00096473 |
Other Study ID Numbers: |
E2020-A001-315 |
First Posted: | November 10, 2004 Key Record Dates |
Last Update Posted: | April 1, 2011 |
Last Verified: | March 2011 |
Alzheimer's Disease dementia acetylcholinesterase donepezil |
Aricept memory loss Severe dementia of the Alzheimer's type |
Alzheimer Disease Dementia Brain Diseases Central Nervous System Diseases Nervous System Diseases Tauopathies Neurodegenerative Diseases Neurocognitive Disorders Mental Disorders |
Donepezil Cholinesterase Inhibitors Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Cholinergic Agents Neurotransmitter Agents Physiological Effects of Drugs Nootropic Agents |