Effect of Intermittent Cyclical Etidronate Therapy on Corticosteroid Induced Osteoporosis in Japanese Patients with Connective Tissue Disease: 3 Year Followup

Shinji Sato, Yasuo Ohosone, Akira Suwa, Hidekata Yasuoka, Takaki Nojima, Takao Fujii, Masataka Kuwana, Kunio Nakamura, Tsuneyo Mimori, Michito Hirakata

研究成果: Article査読

26 被引用数 (Scopus)

抄録

Objective. A 3 year prospective randomized study was conducted to clarify the efficacy of intermittent cyclical etidronate therapy on corticosteroid induced osteoporosis. Methods. A group of 102 Japanese patients were enrolled, each taking > 7.5 mg of prednisolone daily for at least 90 days. Patients were randomly divided into 2 treatment groups: Group E (etidronate) took 200 mg etidronate disodium per day for 2 weeks with 3.0 g calcium lactate and 0.75 μg alphacalcidol daily; Group C (control) took 3.0 g calcium lactate and 0. 75 μg alphacalcidol daily. Outcome measurements included changes from baseline in bone mineral density (BMD) of the lumbar spine and the rate of new vertebral fractures at 48 and 144 weeks. Results. The mean (± SD) lumbar spine BMD increased 3.7 ± 5.6% (p < 0.01) and 1.5 ± 4.1% (NS) from baseline at 48 weeks and 4.8 ± 6.9% (p < 0.005) and 0.4 ± 5.0% (NS) from baseline at 144 weeks in Group E and Group C, respectively. The improvement of BMD in Group E was significantly greater than in Group C at 144 weeks (p < 0.01). In 3 subgroups, men and premenopausal and postmenopausal women, the postmenopausal women showed the greatest improvement. Mean percentage change in this subgroup was 10.1 ± 8.0% and 1.35 ± 6. 4% in Group E and Group C, respectively. We noted that 2 patients in Group C had new vertebral fractures, whereas no fractures were observed in Group E. Conclusion. These results indicate that intermittent cyclical etidronate therapy is effective for the prevention and treatment of corticosteroid induced osteoporosis in patients with connective tissue diseases.

本文言語English
ページ(範囲)2673-2679
ページ数7
ジャーナルJournal of Rheumatology
30
12
出版ステータスPublished - 2003 12月 1

ASJC Scopus subject areas

  • リウマチ学
  • 免疫アレルギー学
  • 免疫学

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