The Effect of Cognitive Function as Measured by Repeated Cognitive Measures After 12 Weeks Treatment With Donepezil
A Randomised, Double-blind, Placebo-controlled, Parallel Design, Multicentre Study in Patients With Mild to Moderate Alzheimer's Disease to Investigate the Effect on Cognitive Function as Measured by Repeated CogState Testing in Relation to Effects on Traditional Cognitive Measures After 12 Weeks
1 other identifier
interventional
155
4 countries
18
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for early_phase_1
Started Dec 2009
Shorter than P25 for early_phase_1
18 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
December 1, 2009
CompletedFirst Submitted
Initial submission to the registry
December 2, 2009
CompletedFirst Posted
Study publicly available on registry
December 3, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 1, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
January 1, 2011
CompletedFebruary 8, 2011
February 1, 2011
1.1 years
December 2, 2009
February 6, 2011
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
CogState Computerized Neurological Test Battery
Tl. 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 Outcomes (3)
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
Study Arms (2)
1
ACTIVE COMPARATOR5 mg Donepezil (first 14 days), 10 mg Donepezil (next 70 days)
2
PLACEBO COMPARATORInterventions
Eligibility Criteria
You may qualify if:
- 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.
You may not qualify if:
- 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
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- AstraZenecalead
Study Sites (18)
Research Site
Ottawa, Ontario, Canada
Research Site
Gatineau, Quebec, Canada
Research Site
Montreal, Quebec, Canada
Research Site
Québec, Quebec, Canada
Reearch Site
Québec, Canada
Research Site
Callao, Lima, Peru
Research Site
Callao, Peru
Research Site
Lima, Peru
Research Site
Chojnice, Poland
Research Site
Gdansk, Poland
Research Site
Kalisz, Poland
Research Site
Piła, Poland
Research Site
Poznan, Poland
Research Site
Sopot, Poland
Research Site
Ścinawa, Poland
Research Site
Warsaw, Poland
Research Site
Cape Town, Western Cape, South Africa
Research Site
Roodepoort, South Africa
Related Publications (1)
Karin A, Hannesdottir K, Jaeger J, Annas P, Segerdahl M, Karlsson P, Sjogren N, von Rosen T, Miller F. Psychometric evaluation of ADAS-Cog and NTB for measuring drug response. Acta Neurol Scand. 2014 Feb;129(2):114-22. doi: 10.1111/ane.12153. Epub 2013 Jun 13.
PMID: 23763450DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Malene Jensen
Study Delievery Director, AstraZeneca
Study Design
- Study Type
- interventional
- Phase
- early phase 1
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR
- Purpose
- BASIC SCIENCE
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
December 2, 2009
First Posted
December 3, 2009
Study Start
December 1, 2009
Primary Completion
January 1, 2011
Study Completion
January 1, 2011
Last Updated
February 8, 2011
Record last verified: 2011-02