Bone Health and Bone-Targeted Therapies for Nonmetastatic Prostate Cancer: A Systematic Review and Meta-analysis
Abstract
BACKGROUND: Bone health is a significant concern in men with prostate cancer.
PURPOSE: To evaluate the effectiveness of drug, supplement, and lifestyle interventions aimed at preventing fracture, improving bone mineral density (BMD), or preventing or delaying osteoporosis in men with nonmetastatic prostate cancer.
DATA SOURCES: Ovid MEDLINE (1946 to 19 January 2017), EMBASE (1980 to 18 January 2017), and the Cochrane Database of Systematic Reviews (19 January 2017).
STUDY SELECTION: Randomized trials and systematic reviews of trials that were published in English; involved men with nonmetastatic prostate cancer; and compared bone-targeted therapies with placebo, usual care, or other active treatments.
DATA EXTRACTION: Two reviewers independently extracted study characteristics and assessed study risk of bias for each outcome.
DATA SYNTHESIS: Two systematic reviews and 28 reports of 27 trials met inclusion criteria. All trials focused on men with nonmetastatic prostate cancer who were initiating or continuing androgen deprivation therapy (ADT). Bisphosphonates were effective in increasing BMD, but no trial was sufficiently powered to detect reduction in fractures. Denosumab improved BMD and reduced the incidence of new radiographic vertebral fractures in 1 high-quality trial. No trials compared calcium or vitamin D versus placebo. Three lifestyle intervention trials did not show a statistically significant difference in change in BMD between exercise and usual care.…
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