Eligibility criteria
Condition
Memory, Cognition
Sex
Females and Males
Age
65-75 years
Inclusion criteria
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- Male or female subjects with age of 65 - 75 years
- Having a score of greater than or equal to 26 on the Mini-Mental State Exam (MMSE)
Exclusion criteria
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- Current or history of bladder outlet obstruction. Previous history of acute urinary
retention requiring catheterization, or severe voiding difficulties in the judgment of
the investigator, prior to randomization
- Significant hepatic or renal disease, defined as twice the upper limit of the
reference ranges regarding serum concentrations of AST, ALT, ALP, urea nitrogen, or
creatinine