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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00043589
Other study ID # R01MH035182
Secondary ID R01MH035182
Status Completed
Phase N/A
First received August 9, 2002
Last updated December 3, 2013
Start date June 2002
Est. completion date December 2007

Study information

Verified date December 2013
Source Stanford University
Contact n/a
Is FDA regulated No
Health authority United States: Federal Government
Study type Interventional

Clinical Trial Summary

This study will evaluate the effectiveness of donepezil (Aricept®) and cognitive training in improving memory performance in elderly adults.


Description:

The drug donepezil plus cognitive training may work better than cognitive training alone to improve the memory of nondemented older adults. In this study, participants are assigned randomly to receive either donepezil plus cognitive training or placebo plus cognitive training. Memory and quality of life tests are used to evaluate the effects of the study treatments.


Recruitment information / eligibility

Status Completed
Enrollment 200
Est. completion date December 2007
Est. primary completion date December 2006
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 55 Years to 90 Years
Eligibility Inclusion Criteria:

- Mini-Mental Exam score between 24 and 30

- Hamilton Depression Score of 12 or less on 17-item scale

- Visual and auditory acuity adequate for neuropsychological testing

- General good health (no additional diseases expected to interfere with the study)

- Normal B12, Rapid Plasma Reagin (RPR), and Thyroid Function Tests

- Normal general clinical chemistry, complete blood count, and electrocardiogram (ECG)

- Female participants must be 2 years postmenopausal or surgically sterile

Exclusion Criteria:

- Significant neurologic disease

- Possible or probable Alzheimer's Disease (AD)

- Parkinson's disease

- Multi-infarct dementia

- Huntington's disease

- Normal pressure hydrocephalus

- Brain tumor

- Progressive supranuclear palsy

- Seizure disorder

- Subdural hematoma

- Multiple sclerosis

- History of significant head trauma followed by persistent neurologic defaults or known structural brain abnormalities

- Major depression or other major psychiatric disorder as described in DSM IV within the past 2 years

- Psychotic features, agitation, or behavioral problems within the last 3 months

- History of alcohol or substance abuse or dependence within the past 2 years

- Significant systemic illness or unstable medical condition including: a) history of systemic cancer within the last 5 years (nonmetastatic skin cancers are acceptable); b) history of myocardial infarction within the past year or unstable or severe cardiovascular disease, including angina or CHF with symptoms at rest; c) clinically significant obstructive pulmonary disease or asthma; d) clinically significant and unstable gastrointestinal disorder such as ulcer disease or a history of active or occult gastrointestinal bleeding within 2 years; e) clinically significant laboratory test abnormalities on the battery of screening tests (hematology, prothrombin time, chemistry, urinalysis, ECG); f) insulin-requiring diabetes or uncontrolled diabetes mellitus; g) uncontrolled hypertension (systolic BP greater than 170 or diastolic greater than 100); h) history of clinically significant liver disease, coagulopathy, or vitamin K deficiency within the past 2 years

- Use of centrally active beta-blockers, narcotics, methyldopa, and clonidine within 4 weeks prior to screening

- Use of anti-Parkinsonian medications (e.g. Sinemet, amantadine, bromocriptine, pergolide, and selegiline) within 2 months prior to screening

- Use of neuroleptics or narcotic analgesics within 4 weeks prior to screening

- Use of long-acting benzodiazepines or barbiturates within 4 weeks prior to screening

- Use of short-acting anxiolytics or sedative hypnotics more frequently than 2 times per week within 4 weeks prior to screening (note: sedative agents should not be used within 72 hours of screening)

- Initiation or change in dose of an antidepressant lacking significant cholinergic side effects within the 4 weeks prior to screening (use of stable doses of antidepressants for at least 4 weeks prior to screening is acceptable)

- Use of systemic corticosteroids within 3 months prior to screening

- Medications with significant cholinergic or anticholinergic side effects (e.g. pyridostigmine, tricyclic antidepressants, meclizine, and oxybutynin) within 4 weeks prior to screening

- Use of anti-convulsants (e.g. Phenytoin, Phenobarbital, Carbamazepine) within 2 months prior to screening

- Use of warfarin (Coumadin) within 4 weeks prior to screening

- Prior use of any FDA approved medications for the treatment of AD (e.g. tacrine, donepezil, or other newly approved medications)

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Drug:
donepezil

Procedure:
Memory-training class


Locations

Country Name City State
United States Aging Clinical Research Center, VA Palo Alto Health Care System Palo Alto California

Sponsors (2)

Lead Sponsor Collaborator
Stanford University National Institute of Mental Health (NIMH)

Country where clinical trial is conducted

United States, 

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