A randomized, placebo-controlled study of the effects of denosumab for the treatment of men with low bone mineral density

Eric Orwoll, Christence S. Teglbjærg, Bente L. Langdahl, Roland Chapurlat, Edward Czerwinski, David L. Kendler, Jean Yves Reginster, Alan Kivitz, E. Michael Lewiecki, Paul D. Miller, Michael A. Bolognese, Michael R. McClung, Henry G. Bone, Östen Ljunggren, Bo Abrahamsen, Ugis Gruntmanis, Yu Ching Yang, Rachel B. Wagman, Suresh Siddhanti, Andreas GrauerJesse W. Hall, Steven Boonen

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    Abstrakt

    Context: Men with low bone mineral density (BMD) were treated with denosumab. Objective: Our objective was to investigate the effects of denosumab compared with placebo in men with low BMD after 1 yr of treatment. Design, Subjects, and Intervention: This was a placebo-controlled, phase 3 study to investigate the efficacy and safety of denosumab 60 mg every 6 months vs. placebo in men with low BMD. Main Outcome Measure: The primary endpoint was the percent change from baseline in lumbar spine (LS) BMD at month 12. Results: Of the 242 randomized subjects (mean age 65 yr), 228 (94.2%) completed 1 yr of denosumab therapy. After 12 months, denosumab resulted in BMD increases of 5.7% at the LS, 2.4% at the total hip, 2.1% at the femoral neck, 3.1% at the trochanter, and 0.6% at the one third radius (adjusted P≥0.0144 for BMD percent differences at all sites compared with placebo). Sensitivity analyses done by controlling for baseline covariates (such as baseline testosterone levels, BMD T-scores, and 10-yr osteoporotic fracture risk) demonstrated that the results of the primary endpoint were robust. Subgroup analyses indicate that treatment with denosumab was effective across a spectrum of clinical situations. Treatment with denosumab significantly reduced serum CTX levels at d 15 (adjusted P < 0.0001). The incidence of adverse events was similar between groups. Conclusions: One year of denosumab therapy in men with low BMD was well tolerated and resulted in a reduction in bone resorption and significant increases in BMD at all skeletal sites assessed.

    OriginalsprogEngelsk
    Sider (fra-til)3161-3169
    Antal sider9
    TidsskriftJournal of Clinical Endocrinology and Metabolism
    Vol/bind97
    Udgave nummer9
    DOI
    StatusUdgivet - 1 sep. 2012

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