Incredibly, the only recent randomized trial comparing treatments is a 2005 study from Sweden.

令人难以置信的是，最近唯一的随机比较治疗临床试验来自2005年瑞典的研究。

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The prevention of hip displacement has not been studied in a randomized trial as far as we know.

据我们所知，到目前为止还没有一个随机试验用来研究预防髋关节脱位。

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The Panel's decision was based on 12-month data from a 5-year, single-arm, non-randomized trial involving 149 obese individuals.

专家组的决定立足于一项历时5年，随访时间为12个月，包含149例肥胖患者的无对照非随机临床试验。

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In a 28-week study of Alzheimer's patients, 250 were in a randomized trial to memantine or placebo.

CNN: Better understanding of dementia leading to more effective therapies

Obviously, these findings are hypothesis-generating only and will have to be tested in a prospective, randomized trial.

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On the other, there was concern regarding the lack of strong, well-executed randomized trial data of the target patient population.

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