Methods: A randomized, placebo contmlled, double blind trial was used.

方法：采用随机双盲、平行对照临床试验方法。

youdao

In a double-blind trial, there were some improvements.

在一个双盲测试中，有了一些进步。

《柯林斯英汉双解大词典》

Initial trials of PLX4032 suggest it may be as good as, or even better than, ipilimumab at improving sufferers' survival. A full-scale, double-blind trial is now under way.

最初的PLX4032的试验证明它在延长患者生命方面同ipilimumab一样好，甚至比ipilimumab更好，全规模的双盲试验目前正在进行中。

youdao

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

FORBES

In the double-blind, randomized control trial, half the women got tenofovir gel and half got a placebo.

CNN: Gel cuts HIV transmission rate in study

And in a study published last year, researchers in Australia showed in a double-blind, placebo-controlled trial that subjects with suspected gluten sensitivity had substantially fewer symptoms on a gluten-free diet than control subjects who unknowingly ingested gluten.

WSJ: New Guide to Who Really Shouldn't Eat Gluten