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对早期乳腺癌患者口服氯屈膦酸盐辅助治疗3年的10年随访显示可有效预防骨质疏松症

Ten Year Follow Up of 3 Years of Oral Adjuvant Clodronate Therapy Shows Significant Prevention of Osteoporosis in Early-Stage Breast Cancer

Saarto T, Vehmanen L, Blomqvist C 2009/7/24 12:13:21

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J Clin Oncol, 2009,

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Purpose:

We have previously reported that 3-year adjuvant clodronate treatment prevents bone loss in breast cancer patients. Here we report the 10-year follow-up data of clodronate in the prevention of treatment-related osteoporosis in women with early-stage breast cancer.

Patients and Methods:

Two hundred sixty-eight pre- and postmenopausal, node-positive breast cancer patients were randomly assigned to clodronate, 1.6g orally administered daily, or to control groups for 3 years. Premenopausal women were treated with adjuvant CMF chemotherapy; and postmenopausal women were treated with antiestrogens, either 20mg tamoxifen or 60mg toremifene, for 3 years. The bone mineral density (BMD) of the lumbar spine and hip was measured before treatment and at 1, 2, 3, 5, and 10 years after therapy.

Results:

Eighty-nine disease-free patients were included in the analyses of osteoporosis-free survival. During the 10-year period, 24 of 89 patients were diagnosed with osteoporosis. Fourteen patients developed spinal osteoporosis (three of 41 in the clodronate group, and 11 of 48 in the control group), and 14 of 89 patients were diagnosed with hip osteoporosis (seven of 41 in the clodronate group, and seven of 48 in the control group). The 10-year spinal, osteoporosis-free survival rate was 92.7% in the clodronate group, and 77.0% in the control group (P=.035). No difference was seen in the frequency of hip osteoporosis (85.4% v 82.9%; P=.92). Baseline BMD measurement had a predictive value of 18 of 24 patients (75%) who developed osteoporosis had osteopenia of the lumbar spine at baseline.

Conclusion:

Three years of clodronate therapy significantly reduces the incidence of lumbar spine osteoporosis. Patients at risk of developing osteoporosis are among those who have pretreatment osteopenia, that is, baseline BMD measurement has predictive value.

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疾病资源中心

高血压	慢性阻塞性肺病
脂肪性肝病	糖尿病
卒中	肺癌
冠心病	子宫内膜异位症
结直肠癌	乳腺癌
心力衰竭	心律失常

病例分析 [栏目介绍]

甲状腺功能亢进合并黄疸

王燕燕王曙

上海交通大学附属瑞金医院内分泌科

患者，女，69岁。2009年1月无明显诱因下出现乏力，当时程度较轻，未予以重视。2009年3月患者乏力症状加重，尿色逐渐加深，大便习惯改变，颜色变淡。4月18日入我院感染科治疗，诉轻度头晕、心慌，体重减轻10kg。无肝区疼痛，无发热，无腹痛、腹泻、腹胀、里急后重，无恶性、呕吐等。入院半月前于外院就诊，查肝功能：ALT 601IU/L，AST 785IU/L，TBIL 97.7umol/L，白蛋白 41g/L，甲状腺功能：游离T3 30.6pmol/L，游离T4 51.9pmol/L，心电图示快速房颤。

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