Of course, we don't know whether this drug combination is equally effective as another active treatment because this was a placebo control trial.

当然，由于这是安慰剂对照的试验，我们不知道这种药物组合是否和其他治疗等效。

youdao

An investigational or marketed product (i. e., active control), or placebo, used as a reference in a clinical trial.

在临床试验中用作对照的研究用产品或已上市产品(例如：阳性对照)，或安慰剂。

youdao

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

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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.

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