You can test an intervention, such as an experimental drug or an educational program, in the purest way (a double-blind randomized controlled trial).

你可以测试一个干预，比如实验药物或一个教育计划，以最纯粹的方式(双盲随机对照试验)。

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Methods A randomized double-blind parallel controlled clinical trial was conducted.

方法本研究采用随机、双盲、平行对照的临床研究方法。

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Methods a multicenter, double-blind, randomized controlled trial was conducted.

方法用多中心随机双盲对照试验。

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It is because the government-funded trial was a placebo-controlled, double-blind, randomized controlled trial.

FORBES

The randomized, double-blind, placebo-controlled, multi-center trial enrolled 51 patients age 12 to 53 years, including 7 patients age 12 to 16 years, who were maintaining a regimen of maximally-tolerated lipid lowering medications.

FORBES: FDA Approves Mipomersen For Homozygous Familial Hypercholesterolemia