骨质疏松症的治疗多采用补钙疗法,通常还需给予雌激素或降钙素。新近Watts等在多个医疗中心以随机、安慰剂对照法,周期性给予429例绝经后骨质疏松和脊椎骨折妇女羟乙二膦酸(etidronate)。该试验设四组,患者接受安慰剂或磷酸盐3天,再接受安慰剂或羟乙二膦酸14天,然后所有患者接受钙(500mg/d)73天。该试验周期依次重复8次,计2年。在应用羟乙 Treatment of osteoporosis more use of calcium therapy, usually need to give estrogen or calcitonin. Recently, Watts et al. Conducted periodic, randomized, placebo-controlled trials in 429 men and women with postmenopausal osteoporosis and vertebral fractures on etidronate at various medical centers. The trial consisted of four groups of patients receiving either placebo or phosphate for 3 days, followed by placebo or etidronate for 14 days, and all patients receiving calcium (500 mg / d) for 73 days. The test cycle in turn repeated 8 times, totaling 2 years. In the application of hydroxyethyl