Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA
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Randomized Controlled Trial Multicenter Study
Dose-response study of denosumab on bone mineral density and bone turnover markers in Japanese postmenopausal women with osteoporosis.
The efficacy and safety of denosumab were evaluated in Japanese postmenopausal women with osteoporosis. Total hip and distal 1/3 radius bone mineral densities (BMDs) were increased, and lumbar spine BMD was increased in magnitude with increasing dose. Bone turnover markers significantly decreased compared with placebo. Denosumab was well tolerated in Japanese subjects. ⋯ Denosumab 60 mg could be an effective dose for Japanese postmenopausal women with osteoporosis as was shown in the Caucasian population.
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A rib fracture history after age 45 was associated with a 5.4-fold increase in new rib fracture risk and a 2.4-fold increase in risk of any new clinical fracture in 155,031 postmenopausal women. A rib fracture history suggests osteoporosis and should be considered when evaluating patients for interventions to prevent fractures. ⋯ Rib fracture, the second most common clinical fracture in women (after wrist fracture), predicted future fractures of the rib, wrist, and spine at all ages. Women presenting with rib fractures should be evaluated for appropriate management to prevent future fractures.
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Less than 10% of men receive osteoporosis treatment, even after a fracture. A study of 17,683 men revealed that older men, those with spinal fractures, and those taking steroids or antidepressants are more likely to receive treatment after a fracture. Seeing a primary care physician also increases osteoporosis treatment rates. ⋯ Less than 10% of men received bisphosphonate therapy following a low-impact fracture. Men with a primary physician were more likely to receive bisphosphonate therapy; however, <25% of men were seen by a primary physician.
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The FRAX tool has been calibrated to the entire Dutch population, using nationwide (hip) fracture incidence rates and mortality statistics from the Netherlands. Data used for the Dutch model are described in this paper. ⋯ The Dutch FRAX tool is the first fracture prediction model that has been calibrated to the total Dutch population, using nationwide incidence rates for hip fracture and mortality rates. It is based on the original FRAX methodology, which has been externally validated in several independent cohorts. Despite some limitations, the strengths make the Dutch FRAX tool a good candidate for implementation into clinical practice.
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Sclerostin is expressed by osteocytes and inhibits bone formation by osteoblasts. In this study, serum sclerostin was positively correlated with either lumbar spinal bone mineral density or T-score. Furthermore, serum sclerostin was increased after 6 months treatment with risedronate, whereas remained unchanged after 6 months teriparatide treatment. ⋯ Serum sclerostin is decreased in women with postmenopausal osteoporosis compared with non-osteoporotic early postmenopausal women and is positively correlated to either LS BMD or LS T-score. Furthermore, serum sclerostin was increased after 6 months treatment with RIS, whereas remained essentially unchanged after 6 months TPTD treatment.