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The Effect of Cognitive Function as Measured by Repeated Cognitive Measures After 12 Weeks Treatment With Donepezil

Early Phase 1
Completed
Conditions
Alzheimer's Disease
Interventions
Drug: Placebo to match Aricept
Registration Number
NCT01024660
Lead Sponsor
AstraZeneca
Brief Summary

The purpose of this study is to determine if there is improvement or measurable change in cognition after only one month of treatment with donepezil when using a computerized test battery. The results at one month will be compared with the results at 3 months to evaluate this.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
155
Inclusion Criteria
  • Clinical diagnosis of probable AD according to NINCDS-ADRDA criteria.
  • The patient should live with an appropriate caregiver at home, or in a community dwelling. A caregiver should be capable of accompanying the patient to clinic visits or attending study visits in the patient's home.
  • Patient and caregiver should understand, speak, and read local language.
Exclusion Criteria
  • Significant neurological disease or dementia other than AD, e.g., mixed dementia, frontotemporal dementia, and Parkinson's Disease.
  • Females of child bearing potential
  • Impaired vision or hearing

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
1Donepezil5 mg Donepezil (first 14 days), 10 mg Donepezil (next 70 days)
2Placebo to match Aricept-
Primary Outcome Measures
NameTimeMethod
CogState Computerized Neurological Test BatteryTl. of 25 times: 10 times between Days 3-14, 5 times between Days 36-42, 5 times between Days 64-70, four times between Days 92-97, 1 time on Day 98
Secondary Outcome Measures
NameTimeMethod
Neuropsychological Test Battery (NTB)Tl. of 5 times: Once between Days 1-2, Once anytime between Days 3-14, Once anytime between Days 36-42, Once anytime between Days 64-70, Once between Days 92-97
Alzheimer Disease Assessment Scale-Cognitive (ADAS-Cog)Tl. of 5 times: Once between Days 1-2, Once anytime between Days 3-14, Once anytime between Days 36-42, Once anytime between Days 64-70, Once between Days 92-97
Alzheimer's Disease Cooperative Study-Clinical Global Impression of Change (ADCS-CGIC)Tl. of 4 times: Once anytime between Days 3-14, Once anytime between Days 36-42, Once anytime between Days 64-70, Once between Days 92-97

Trial Locations

Locations (2)

Research Site

🇿🇦

Roodepoort, South Africa

Reearch Site

🇨🇦

Quebec, Canada

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