每剂量"正常"时间的持续时间:立即释放的卡比多巴-莱沃多巴与延长释放的卡比多巴-莱沃多巴 (IPX203,CREXONT®) 相比
R A Hauser1, H H Fernandez2, J Jimenez-Shahed3
1University of South Florida, Tampa, FL, USA.
延长释放卡比多巴-莱沃多巴 (ER CD-LD) 显著改善了帕金森病患者每剂量"良好启动"时间. 这种新的配方,IPX203,与立即释放的CD-LD.LD相比,平均增加了1.6小时.
科学领域:
- 神经学 神经学
- 药理学 药理学是指药理学的学科.
- 临床试验 临床试验
背景情况:
- 运动波动是帕金森病 (PD) 患者接受莱沃多巴治疗的关键问题.
- 优化每剂量勒沃多巴效益的持续时间对于管理PD症状和改善生活质量至关重要.
研究的目的:
- 为了比较RISE-PD试验中延长释放卡比多巴-莱沃多巴 (ER CD-LD;IPX203) 和即时释放 (IR) 卡比多巴-莱沃多巴 (CD-LD) 之间的每剂"良好启动"时间的平均持续时间.
- 评估基线"良好启动"时间对IPX203与IR CD-LD相比对IPX203疗效的影响.
主要方法:
- 接受优化IRCD-LD的患者随机选择继续IRCD-LD或切换到IPX203.
- 每剂量"良好启动"时间在基线和研究结束时被测量.
- 根据最初的"正常"时间,患者被分为四分之一,以分析不同患者子组的治疗效果.
主要成果:
- 与IR CD-LD (1.6小时,p < 0.0001) 相比,IPX203显示了每剂平均"正常"时间的统计学上显著增加.
- 这种改善在所有四分位数中都是一致的,平均差异在1.39至1.83小时之间.
- 在IPX203启动之前的组之间没有观察到基线"良好启动"时间的显著差异.
结论:
- 在帕金森病患者中,IPX203显著提高了每剂"良好启动"时间,这些患者有运动波动.
- IPX203的好处独立于患者的基线"良好启动"时间,该时间与立即释放的carbidopa-levodopa.
- 延长释放的carbidopa-levodopa代表了改善帕金森病运动控制的有希望的治疗选择.
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