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Metabolic Disorders
Antiresorptive effects of single zoledronate dose are sustained for 3 years
J Bone Miner Res. 2010 Oct;25(10):2251-550 postmenopausal women with osteopenia were randomized to receive either a single 5 mg dose of intravenous zoledronate or a placebo to determine the duration of antiresorptive action. Patients were assessed for bone turnover markers b-C-terminal telopeptide of type I collagen (b-CTX) and serum procollagen type-I N-terminal propeptide (P1NP). They were also assessed for bone mineral density (BMD) at the lumbar spine, total hip, and total body. At 3 years, serum bone markers were significantly lower in the zoledronate group compared to placebo, and bone mineral density was significantly higher than placebo at all sites.
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