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  • Title: Effect of intermittent cyclical treatment with etidronate disodium (HEBP) and calcium plus alphacalcidol in postmenopausal osteoporosis.
    Author: Shiota E, Tsuchiya K, Yamaoka K, Kawano O.
    Journal: J Orthop Sci; 2001; 6(2):133-6. PubMed ID: 11484098.
    Abstract:
    We evaluated intermittent cyclical treatment with etidronate disodium (HEBP) and calcium plus alphacalcidol in postmenopausal osteoporosis, with special reference to bone mineral density (BMD) and prevention of spinal fracture. The patients were 40 women, over 50 years of age, with lumbo-dorsal pain and low BMD (less than 0.70 g/cm(2)), measured by dual-energy X-ray absorptiometry (DXA). The patients were randomly assigned to two groups. The first group (HEBP) received 200 mg of HEBP per day for 2 weeks, followed by 2 g calcium lactate and 0.5 microg alphacalcidol per day for the next 10 weeks. This 12-week cycle was repeated eight times for 2 years. The second group (Ca. D) received 2 g calcium lactate and 0.5 microg alphacalcidol per day for 2 years. Lumbar BMD was measured before the treatment and every 6 months during the treatment until 24 months, and changes were evaluated. The number of fractured vertebrae was counted on X-ray films before treatment and at the final assessment. After 6 months of treatment, a significant and continuous increase in BMD was observed in the HEBP group. Moreover, the percentage of patients with new vertebral compression fractures in the HEBP group was one-tenth of that in the Ca. D group. These results suggest that intermittent cyclical treatment with HEBP and calcium plus alphacalcidol may be effective for increasing BMD and preventing fractures in postmenopausal osteoporosis.
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