This year Vytorin has failed two clinical trials meant to show its benefits.

今年，本要证明Vytorin有效的两个临床试验失败了。

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In the United States, prescriptions for Vytorin and Zetia have fallen 40 percent this year.

在美国，今年Vytorin和Zetia的处方量下跌了40%。

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About half the patients were given Vytorin and the other half placebo, and were tracked for an average of more than four years.

接收调查的患者有一半服用维多灵，另一半人服用安慰剂，平均被追踪观察四年之久。

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But Merck is doing that big Vytorin versus Zocor study, a giant clinical trial called IMPROVE-IT.

FORBES: Merck To Pay $688 Million To Shareholders For Delaying Vytorin Results

Will it mean that Vytorin use will reduce heart attacks and strokes better than atorvastatin?

FORBES: Cholesterol Drug Heart Study Continues, But Will Merck's Vytorin Really IMPROVE-IT?

After all, both drug components of Vytorin have been given to patients for over a decade.

FORBES: Cholesterol Drug Heart Study Continues, But Will Merck's Vytorin Really IMPROVE-IT?