- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02988908
Memory and Mental Health in Aging
Memory and Mental Health in Aging: Psychopharmacological Augmentation of Memory Training in Older Adults
Study Overview
Detailed Description
Study 1:
Investigators evaluated the short-term and longer-term efficacy and effectiveness of a pharmacologic augmentation strategy for a nonpharmacologic treatment to improve memory performance in nondemented older adults. Investigators used a randomized controlled trial with parallel groups design that compares two Treatments: DONEPEZIL + COGNITIVE TRAINING versus PLACEBO + COGNITIVE TRAINING.
Study 2:
The second study looked more closely at dosage. Investigators hoped to determine the best dosage of the drug donepezil for enhancing the effects of the memory training program.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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California
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Palo Alto, California, United States, 94304
- VA Palo Alto Health Care System
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Study 1 only:
- Global Clinical Dementia Rating (CDR) 0.0 or 0.5, at least 1 Box score = 0.5 and none > 0.5;
- Laboratory normal B12, RPR, and Thyroid Function Tests or without any clinically significant abnormalities that would be expected to interfere with the study, plus general clinical chemistry and complete blood count.
- ECG without clinically significant abnormalities that would be expected to interfere with the study
Study 1 and Study 2:
- Mini-Mental Exam score between 24 and 30 (inclusive);
- General cognition and functional performance sufficiently preserved such that a diagnosis of Alzheimer's Disease cannot be made by the site physician at the time of the screening visit;
- Permitted medications stable for at least 1 month prior to screening. In particular: a) Subjects may take stable doses of antidepressants lacking significant anticholinergic side effects (if they are not currently depressed and do not have a history of major depression within the past 2 years). b) Estrogen replacement therapy is permissible. c) Ginkgo biloba is permissible, but discouraged.
- Hamilton Depression Score less than or equal to 12 on the 17-item scale.
- Visual and auditory acuity adequate to allow neuropsychological testing.
- General health good with no additional diseases expected to interfere with the study.
- Women two years post-menopausal or surgically sterile.
Exclusion Criteria:
- Any significant neurologic disease such as Possible and Probable AD, Parkinson's disease, multi-infarct dementia, Huntington's disease, normal pressure hydrocephalus, brain tumor, progressive supranuclear palsy, seizure disorder, subdural hematoma, multiple sclerosis, or history of significant head trauma followed by persistent neurologic defaults or known structural brain abnormalities.
- Major depression or another major psychiatric disorder as described in DSM IV within the past 2 years. History of schizophrenia (DSM IV criteria). Psychotic features, agitation or behavioral problems within the last 3 months which could lead to difficulty complying with the protocol.
- History of alcohol or substance abuse or dependence within the past 2 years (DSM IV criteria).
Any significant systemic illness or unstable medical condition which could lead to difficulty complying with the protocol including:
- History of systemic cancer within the last 5 years (non-metastatic skin cancers are acceptable).
- History of myocardial infarction within the past year or unstable or severe cardiovascular disease including angina or CHF with symptoms at rest.
- Clinically significant obstructive pulmonary disease or asthma.
- Clinically significant and unstable gastrointestinal disorder such as ulcer disease or a history of active or occult gastrointestinal bleeding within two years.
- Insulin-requiring diabetes or uncontrolled diabetes mellitus.
- Uncontrolled hypertension (systolic BP greater than 170 or diastolic greater than 100).
- 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. b) Use of anti-Parkinsonian medications (e.g. Sinemet, amantadine, bromocriptine, pergolide and selegiline) within 2 months prior to screening. c) Use of neuroleptics or narcotic analgesics within 4 weeks prior to screening. d) Use of long-acting benzodiazepines or barbiturates within 4 weeks prior to screening. e) 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). f) 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). g) Use of systemic corticosteroids within 3 months prior to screening. h) Medications with significant cholinergic or anticholinergic side effects (e.g. pyridostigmine, tricyclic antidepressants, meclizine, and oxybutynin) within 4 weeks prior to screening. i) Use of anti-convulsants (e.g. Phenytoin, Phenobarbital, Carbamazepine) within 2 months prior to screening. j) Use of warfarin (Coumadin) within 4 weeks prior to screening.
- Any prior use of any FDA approved medications for the treatment of Alzheimer's Disease (e.g. tacrine, donepezil, or other newly approved medications).
- Use of any investigational drugs within 30 days or 5 half-lives, whichever is longer, prior to screening.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Drug: Donepezil
Participants received Donepezil as 5mg pills per day for 6 weeks, then 10 mg per day for the remainder of the 52-week trial. Participants also received 2 weeks of memory training at weeks 13-14 |
Participants received donepezil as 5mg pills per day for 6 weeks, then 10 mg per day for the remainder of the 52-week trial. Participants also received 2 weeks of memory training at weeks 13-14
Other Names:
|
Placebo Comparator: Placebo (Control)
Participants received placebo as 5mg pills per day for 6 weeks, then 10 mg per day for the remainder of the 52-week trial. Participants also received 2 weeks of memory training at weeks 13-14 |
Participants received placebo as 5mg pills per day for 6 weeks, then 10 mg per day for the remainder of the 52-week trial. Participants also received 2 weeks of memory training at weeks 13-14
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in recall of Word List over time
Time Frame: measured at baseline, Week 13 (before training), Week 14 (at end of training), and Week 52
|
Each participant was given a list of 16 words.
Participants had 4 minutes to memorize the words in order.
Short-term recall was tested after 5 minutes exposure to a distractor task and delayed recall was tested after 30 minutes.
At recall participants were asked to recall as many words as they could remember in the order the words were presented.
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measured at baseline, Week 13 (before training), Week 14 (at end of training), and Week 52
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Change in recall of Name-Face pairs over time
Time Frame: measured at baseline, Week 13 (before training), Week 14 (at end of training), and Week 52
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Each participant was shown 12 name-face pairs for 1 minute.
Recall was tested immediately after presentation of all 12 name-face pairs (faces were shown for 1 minute and participant was asked to supply the name).
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measured at baseline, Week 13 (before training), Week 14 (at end of training), and Week 52
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Symbol Digit score over time
Time Frame: measured at baseline, Week 13, and Week 52
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Symbol Digit modalities test (Smith 1991)
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measured at baseline, Week 13, and Week 52
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Change in Digit Span score over time
Time Frame: measured at baseline, Week 13, and Week 52
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Digit Span from the Wechsler, 1987
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measured at baseline, Week 13, and Week 52
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Change in Medical Outcomes Study Functioning and Well-being Profile over time
Time Frame: measured at baseline, Week 13, and Week 52
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Measuring Functioning and Well-Being is a comprehensive account of a broad range of self-reported functioning and well-being measures developed for the Medical Outcomes Study (Stewart AL, 1992)
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measured at baseline, Week 13, and Week 52
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Change in Everyday Problems Test score over time
Time Frame: measured at baseline, Week 13 (before training), and Week 52
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Measure of Functional Capacity (Willis SL, Mariske M, 1993)
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measured at baseline, Week 13 (before training), and Week 52
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Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- SU-06302009-2820
- R01MH035182 (U.S. NIH Grant/Contract)
- eprotocol #7530 (Other Identifier: Stanford University)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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