为了最大限度地减少地理缩进展的METformin (METforMIN):一个随机试验
Liangbo Linus Shen1, Jeremy D Keenan1,2, Noor Chahal1
1Department of Ophthalmology, University of California, San Francisco, San Francisco, California.
Ophthalmology science
|January 29, 2024
概括
这项研究发现,口服甲福明并没有减缓与年龄相关的黄斑变性 (AMD) 患者的地理缩 (GA) 进展. 需要进一步的安慰剂对照试验来证实AMD的这些发现.
科学领域:
- 眼科医生 眼科 眼科
- 老年学是一门学科.
- 药理学 药理学是指药理学的学科.
背景情况:
- 观察性研究表明,甲福明可以减少与年龄相关的黄斑变性 (AMD) 的进展.
- 地理缩 (GA) 是AMD的一个高级形式,导致视力丧失.
研究的目的:
- 评估口服甲福明在减缓与年龄有关的黄斑变性 (AMD) 患者的地理缩 (GA) 进展的疗效.
主要方法:
- 一个多中心,随机的II期临床试验,涉及55岁或以上的没有糖尿病和GA的参与者.
- 参与者被随机分配到接受口服甲福明 (每天2000毫克) 或观察18个月,用于监测的 fundus自光成像.
主要成果:
- 在甲福林和观察组之间,GA区域的年化扩大率没有显著差异 (0.42对0.35毫米/年,P=0.26).
- 两组之间在最佳校正视敏度 (BCVA) 或低亮度视敏度 (LLVA) 中没有发现显著差异.
- 胃肠道副作用是甲福林组中最常见的非严重不良事件.
结论:
- 这项试验不支持使用口服甲福尔来减少AMD患者的GA进展.
- 需要进一步的安慰剂对照研究来调查甲胺在AMD早期阶段的潜在作用.
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