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Testosterone treatment of men with mild cognitive impairment and low testosterone levels
M M Cherrier1, K Anderson2, J Shofer3
1Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, WA, USA cherrier@uw.edu.
Introduction:
This study investigated the effects of testosterone (T) treatment on cognition, mood, and quality of life in men with mild cognitive impairment (MCI) and low serum T levels.
Methods:
A total of 351 community-dwelling men were screened, and 37 men evidenced both MCI and low T of whom 27 agreed for further screening. Twenty-two met all the study inclusion/exclusion criteria and enrolled in a 6-month randomized, double-blind, placebo-controlled study.
Results:
Total T levels significantly increased in the T treatment group. No significant changes were observed in measures of cognition, mood, or quality of life other than improvement in 1 objective measure of verbal memory (P < .05) and decreased depression symptoms (P < .02) in the treatment group.
Conclusions:
Testosterone treatment may modestly improve verbal memory and depression symptoms in men with both MCI and low T.
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