Combination Osteogenic Therapy in Established Osteoporosis
试验速览
- 阶段
- 2 期
- 状态
- 已完成
- 试验地点
- 1
研究概览
简要总结
This study is designed to determine if combining parathyroid (PTH 1-34) with fluoride (MFPSR) therapy in a cyclic treatment regimen will: (1) produce a greater increase in bone density of the spine than would be produced by either treatment alone; (2) prevent the resistance (i.e., decreased bone formation and no further increase in bone density) that is observed within 18-24 months of PTH therapy; (3) eliminate the calcium deficiency and osteomalacia that can occur with fluoride; (4) prevent excessive bone fluoride content; and (5) result in an increase in bone density which is maintained after treatment is discontinued.
详细描述
This is a 3-yr, single center, open label, active controlled, randomized study of approximately 99 postmenopausal females with osteoporosis of spine or femoral neck. Patients will be assigned to 1 of 3 groups: 1) PTH 1-34; 2) Fluoride; 3) PTH and fluoride. The treatment period is 3 years with 3-month cycles of therapy. PTH will be administered subcutaneously by injection 600 units daily for 28 days the first month of each 3-month cycle. Fluoride will be administered orally one 76mg tablet twice daily (providing 20 mg fluoride/day), during the last 2 months of each cycle. Calcium will be provided 800mg/day during month 1 and 1500-2000mg for months 2 and 3 of each cycle.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 60 Years 至 80 Years（Adult, Older Adult）
- 性别
- Female
- 接受健康志愿者
- 是
入选标准
- •Female, aged 60-80,
- •Postmenopausal greater than or equal to 5 years,
- •BMD -2.5 to -4.0 at lumbar spine or femoral neck and one standard deviation below young adult mean in the other site, or -2.0 with fracture.
- •Vertebral fracture 0-1.
排除标准
- •More than 1 vertebral fracture in lumbar spine or more than 4 fracture in the T-L spine.
- •Weight less than 45 kg or more than 80 kg, or more than 25% above ideal body weight.
- •Present cardiac disease present.
- •Diseases or conditions known to affect bone metabolism.
- •Therapies with drugs that affect bone metabolism within 6 months.
- •Fluoride or Biophosphonates at any time.