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Cancer. 2012 Apr 1;118(7):1940-5. doi: 10.1002/cncr.26477. Epub 2011 Aug 25.

Impact of androgen deprivation therapy on depressive symptoms in men with nonmetastatic prostate cancer.

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1
Department of Medicine, University Health Network, Toronto, Ontario, Canada.

Abstract

BACKGROUND:

Up to 50% of prostate cancer (PC) patients receive androgen deprivation therapy (ADT), often for several years. Although depression has been reported after a diagnosis of PC, whether ADT leads to or worsens depression is not clear.

METHODS:

Three groups were assembled: ADT users (men initiating continuous ADT), PC controls (PC patients who were not on ADT), and healthy controls. All 3 cohorts were matched on age, education, and physical function, and none had metastases. Depression was measured at study entry and again at 3, 6, and 12 months using the 15-item Geriatric Depression Scale (GDS). Our primary outcomes were worsening depressive symptoms and incident depression (defined as a GDS score ≥5), analyzed using adjusted linear regression and logistic regression, respectively.

RESULTS:

Of the 257 participants (mean age, 69.1 years), baseline characteristics including GDS score and prior depression were similar across cohorts. In adjusted analyses of initially nondepressed patients, ADT use was not a significant predictor of change in GDS score at 3 months (P = .42), 6 months (P = .25), or 12 months (P = 0.19). Among ADT users, 8%-9% of participants developed incident depression compared with 0%-4% among PC controls and 4%-6% among healthy controls over 3-12 months (P>.05 at all time points). In a separate analysis of patients with depression at baseline, there was no effect of ADT on depressive symptoms at 3, 6, or 12 months (P = .11, .74, and .12, respectively).

CONCLUSION:

Twelve months of ADT use were not associated with worsening depressive symptoms among nondepressed or depressed patients with nonmetastatic PC.

PMID:
22009684
DOI:
10.1002/cncr.26477
[Indexed for MEDLINE]
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