Fracture risk in Danish men with prostate cancer: A nationwide register study

Bo Abrahamsen*, Morten F. Nielsen, Peter Eskildsen, Jens Thorup Andersen, Steen Walter, Kim Brixen

*Corresponding author af dette arbejde

    Publikation: Bidrag til tidsskriftArtikelForskningpeer review


    OBJECTIVE: To assess the risk of fracture attributable to prostate cancer, and the impact of exposure to prescribed gonadotrophin-releasing hormone agonists and antiandrogens on this risk in a nationwide, population-based case-control study. PATIENTS AND METHODS: Data from the Danish National Hospital Discharge Register, the National Bureau of Statistics, and the National Prescriptions Database were merged. The analysis covered 15 716 men aged >50 years presenting with a fracture at any hospital in Denmark in 2000, and 47 149 age-matched control men. A previous diagnosis of prostate cancer had been recorded in 1.3% of controls and 2.5% of those with a fracture. RESULTS: Prostate cancer was associated with an increased odds ratio (95% confidence interval) for all fractures of 1.8 (1.6-2.1), for hip fractures of 3.7 (3.1-4.4), but no increased risk of vertebral fractures. The increased fracture risk became apparent early after diagnosis and remained pronounced even in long-term survivors. Androgen deprivation therapy (ADT) with an odds ratio of 1.7 (1.2-2.5; P < 0.01) and orchidectomy, at 1.7 (1.2-2.4; P < 0.01) added to the overall fracture risk. In all, 3.1% of hip fractures in Danish men aged >50 years are attributable to prostate cancer. CONCLUSION: Prostate cancer, orchidectomy and the use of ADT are associated with a markedly greater risk of fractures, especially of the hip. The risk of hip fracture is not confined to the very old, neither is the risk made negligible by the excess mortality in patients with advanced prostate cancer.

    Sider (fra-til)749-754
    Antal sider6
    TidsskriftBJU International
    Udgave nummer4
    StatusUdgivet - 1 okt. 2007


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