NCT00004284已完成3 期
Phase III Randomized, Double-Blind Study of Potassium Phosphate Vs Potassium Citrate for Absorptive Hypercalciuria
National Center for Research Resources (NCRR)0 个研究点目标入组 300 人开始时间: 1995年4月1日最近更新:
适应症
相关药物
试验速览
- 阶段
- 3 期
- 状态
- 已完成
- 发起方
- 入组人数
- 300
研究概览
简要总结
OBJECTIVES: I. Evaluate the ability of a slow-releasing formulation of neutral potassium phosphate to correct hypercalciuria and prevent recurrent stone formation in patients with absorptive hypercalciuria.
II. Evaluate the safety of this treatment. III. Compare the efficacy of potassium phosphate to that of potassium citrate.
详细描述
PROTOCOL OUTLINE: This is a randomized, double-blind study. Patients are stratified by participating institution.
Patients receive potassium phosphate or potassium citrate tablets twice a day for 3 years.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 主要目的
- Treatment
- 盲法
- Double
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •PROTOCOL ENTRY CRITERIA:
- •-Disease Characteristics-- Absorptive hypercalciuria Intestinal hyperabsorption of calcium, i.e.: Exaggerated calciuric response to oral calcium load OR Fractional calcium-47 absorption greater than 0.61 Calciuria greater than 200 mg/day on random and calcium-restricted diet Normal or high fasting urinary calcium Normal serum calcium Normal serum parathyroid hormone No primary hyperparathyroidism At least 1 calcium oxalate stone within the past 3 years No struvite or carbonate apatite stones No noncalcareous stones No numerous stones making precise quantitation difficult No renal tubular acidosis --Prior/Concurrent Therapy-- No concurrent drug therapy for nephrolithiasis --Patient Characteristics-- Creatinine clearance at least 0.7 mL/min per kilogram No hyperkalemia No hyperphosphatemia No urinary tract infection Other: No predisposition to hyperkalemia, including concurrent use of the following drugs: Potassium-sparing diuretics Angiotensin-converting enzyme inhibitors Nonsteroidal anti-inflammatory drugs No active peptic ulcer disease No chronic diarrhea
排除标准
- 未提供
研究者
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