复制高密度脂蛋白输液对冠状动脉样硬化的影响:一项随机对照试验
Jean-Claude Tardif1, Jean Grégoire, Philippe L L'Allier
1Montreal Heart Institute and the Montreal Heart Institute Coordinating Center, Université de Montréal, Montreal, Quebec, Canada. jean-claude.tardif@icm-mhi.org
JAMA
|March 28, 2007
概括
复制的高密度脂蛋白 (HDL) 输液并没有显著减少冠状动脉斑块体积,但改善了斑块表征和冠状动脉评分. 对血管疾病的HDL输液进行进一步研究是有必要的.
科学领域:
- 心脏病学 心脏病学
- 血管生物学 血管生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 高密度脂蛋白 (HDL) 胆固醇与冠状动脉样硬化病相反相关.
- 初步研究表明,HDL输液可能会促进动脉样硬化回归.
研究的目的:
- 评估复制的HDL输液对冠状动脉斑块负担的影响.
- 通过静脉内超声波 (IVUS) 来评估动脉瘤体积的变化.
主要方法:
- 一个随机的,安慰剂对照试验,涉及145名患者进行可评估的连续IVUS检查.
- 患者每周接受4次安慰剂或复制的HDL (CSL-111) 输注,剂量为40mg/kg.
- 主要终点是动脉瘤体积的百分比变化;次要终点包括斑块体积和表征.
主要成果:
- 在CSL-111和安慰剂组之间,动脉瘤体积变化没有显著差异.
- 通过CSL-111.1,在斑块表征指数 (IVUS) 和冠状动脉得分 (QCA) 中观察到有统计学意义的改善.
- 由于肝脏异常,80 mg/kg CSL-111 组的治疗被 discontinued;40 mg/kg 剂量在轻微的转氨酶升高下通常被很好地容忍.
结论:
- 与安慰剂相比,短期复制的HDL输液并没有显著降低冠状动脉斑块体积.
- 高脂输液在改善斑块特征和冠状动脉得分方面显示出潜在的益处.
- 向HDL仍然是血管疾病的有希望的策略,需要进一步的临床试验.
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