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  • Title: Bone health in men receiving androgen deprivation therapy for prostate cancer.
    Author: Eastham JA.
    Journal: J Urol; 2007 Jan; 177(1):17-24. PubMed ID: 17161994.
    Abstract:
    PURPOSE: Patients with recurrent or metastatic prostate cancer generally receive androgen deprivation therapy, which can result in significant loss of bone mineral density. We explored androgen deprivation therapy related bone loss in prostate cancer, current treatments and emerging therapies. MATERIALS AND METHODS: Literature published on the pathogenesis and management of androgen deprivation therapy related bone loss was compiled and interpreted. Recent drug therapy findings were reviewed, including treatment guidelines. RESULTS: Men with prostate cancer often present with bone loss and the initiation of androgen deprivation therapy can trigger further rapid decreases. This results in an increased fracture risk, and greater morbidity and mortality. Early detection of osteoporosis through androgen deprivation therapy screening and prompt initiation of therapy are critical to prevent continued decreases. Lifestyle changes such as diet, supplementation and exercise can slow the rate of bone loss. Pharmacological therapy with oral and intravenous bisphosphonates has been demonstrated to prevent or decrease the bone loss associated with androgen deprivation therapy. However, important differences exist among various bisphosphonates with respect to efficacy, compliance and toxicity. Only zoledronic acid has been shown to increase bone mineral density above baseline and provide long-term benefit by decreasing the incidence of fracture and other skeletal related events in men with bone metastases. CONCLUSIONS: Androgen deprivation therapy associated bone loss adversely affects bone health, patient quality of life and survival in men with prostate cancer. Increased awareness of this issue, identification of risk factors, lifestyle modification and initiation of bisphosphonate therapy can improve outcomes. Education of patients and physicians regarding the importance of screening, prevention and treatment is essential.
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