Complex formulation for preventing or treating osteoporosis which comprises solid dispersion of vitamin d or its derivative and bisphosphonate
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HANMI SCI CO LTD
- Publication Date
- 2009-09-16
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
Technical field
[0001] The present invention relates to a solid dispersion comprising vitamin D or a derivative thereof and cyclodextrin, a composite preparation for preventing or treating osteoporosis comprising the solid dispersion and a bisphosphonate, and the preparation of the composite preparation Methods. Background technique
[0002] Osteoporosis is a metabolic bone disease in which bone mineral density (BMD) is reduced and bone microstructure is destroyed, leading to an increased risk of fractures. Osteoporosis can be caused by some congenital factors, menopause, hyperthyroidism, hyperparathyroidism, chronic renal failure, or administration of glucocorticoid drugs, and it is most common in postmenopausal women with estrogen deficiency. The increase in osteoclast resorption far exceeds the bone formation of osteoblasts and reduces intestinal calcium absorption, which leads to a rapid decrease in BMD.
[0003] In the treatment of osteoporosis, bisphosphonates that reduce b...