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Assessment Of The Effects Of Single Doses Of An Investigational Drug, Given Alone Or With Donepezil, On Scopolamine-Induced Changes In Memory And Learning In Healthy Adults

Healthy Clinical Trial

Official title:
A Randomized, Double-Blind, Sponsor Unblinded, Placebo- And Positive- Controlled Study To Evaluate The Effects Of Single Oral Administrations Of PF-04995274, Alone Or In Combination With Donepezil, On Scopolamine-Induced Deficits In Psychomotor And Cognitive Function In Healthy Adults

Clinical Trial Summary

This study is designed to look at the potential for an investigational drug (PF-04995274, under development by Pfizer, Inc. as a potential treatment for Alzheimer's disease) to reverse changes in memory and learning/problem solving skills caused by co-administration of a marketed drug called scopolamine. Scopolamine is known to cause temporary changes in memory and learning/problem solving skills that are similar to those seen in people with alzheimer's disease(AD).

Clinical Trial Description

Changes in sponsor's organizational strategy have led to the decision to terminate the study and therefore to not conduct the second cohort (Cohort B/arms 2 and 3) . This decision was not based on significant safety concerns. Date of termination (ie, the date the site was notified to stop study activities) was 12 Oct 2011. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Basic Science

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01345864
Study type Interventional
Source Pfizer
Contact
Status Terminated
Phase Phase 1
Start date May 2011
Completion date August 2011
View Details
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