随机对照试验后期可行性分析,比较低剂量阿司匹林用于产前预防:对未来试验设计的影响
Chandrashekhar Shrivastava1, Sarita Rajbhar, Sarita Agrawal
1Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India.
Annals of African medicine
|February 8, 2026
概括
这项研究发现,一个随机对照试验 (RCT) 比较阿司匹林剂量用于预防产前是高度可行的. 高招募,坚持和保留率支持对孕妇进行更大规模的最终试验.
科学领域:
- 产科和妇科 产科和妇科
- 临床试验设计 临床试验设计
- 药理学 药理学是指药理学的学科.
背景情况:
- 随机对照试验 (RCT) 对疗效数据至关重要,但对最终的研究设计需要可行性分析.
- 亚司匹林剂量 (75毫克 vs. 150毫克) 对产前的初步疗效已被证明,但在孕妇人群中试验可行性尚不清楚.
研究的目的:
- 对完成的RCT进行后期可行性分析,比较用于预防产前的阿司匹林剂量.
- 评估未来大规模比较阿司匹林剂量研究的关键实施指标.
主要方法:
- 对一项涉及100名高风险孕妇的双面罩RCT的特设后分析,这些孕妇被随机分配给每天75毫克或150毫克阿司匹林.
- 追溯评估招募速度,随机化接受,坚持,保留,结果完整性和与产科试验基准相比的协议偏差.
主要成果:
- 在所有可行性领域都观察到异常的实施成功.
- 实现了高招募率 (8.3 /月),随机化接受率 (84.7%),坚持 (94%≥80%剂量) 和保留 (100%母体,98%新生儿).
- 最小的协议偏差 (总数10%) 和99%的数据完整性表明,对764名参与者的最终试验的可行性.
结论:
- 较量阿司匹林剂量RCT证明了特殊的实施成功,验证了更大的最终试验的可行性.
- 强大的招聘,高接受度,优秀的坚持和完整的保留支持,优先考虑多中心比较剂量试验.
- 这些发现为设计足够强大的关于阿司匹林用于预防产前的最终研究提供了关键指导.
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