These investigators undertook a systematic review and meta-analysis of existing literature of ADT and dementia in prostate cancer patients. They utilized standard meta-analytic techniques to identify and analyze nine studies incorporating over 50,000 patients. They ascertained three outcomes: any dementia, all-cause dementia, and Alzheimer’s disease.
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The take home point is that these findings are preliminary and should not yet inform clinical care. The absolute risk of incident dementia in the setting of ADT remains undefined and is likely quite small. Moreover, eight of the nine studies included in this meta-analysis were retrospective population-based analyses susceptible to bias by age, medical comorbidities, and other potential confounders. Thus, while associations of ADT with dementia and cognitive decline are compelling and merit additional research, these data should not drive treatment decisions.
Written By: J. Kellogg Parsons, MD, MHS
Read the Full Text Article: Androgen deprivation therapy for prostate cancer and dementia risk