Toremifene decreases vertebral fractures in men younger than 80 years receiving androgen deprivation therapy for prostate cancer.
2011
Purpose: Androgen deprivation therapy is associated with an increased fracture risk. In a recent phase III trial toremifene significantly decreased vertebral fractures in men on androgen deprivation therapy. Similar to other selective estrogen receptor modulators, toremifene was associated with an increase in venous thromboembolic events with the greatest risk in men 80 years old or older. In this post hoc analysis we evaluated the efficacy and safety of toremifene in men younger than 80 years.Materials and Methods: This analysis included 847 men younger than 80 years, of whom 430 received toremifene 80 mg by mouth daily and 417 received placebo for up to 24 months. The primary end point was new vertebral fractures. Secondary end points included fragility fractures, bone mineral density and safety.Results: Compared with placebo, toremifene decreased the relative risk of new vertebral fractures by 79.5% (95% CI 29.8–94.0, p <0.005). The new vertebral fracture incidence was 1.0% for toremifene and 4.8% for ...
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