Objective: To introduce some methods of safety assessment in randomized controlled clinical trials.
前言：目的：介绍随机对照试验中进行安全性评价的方法。
Ursodeoxycholic acid (UDCA) is the only safe and effective drug for the treatment of PBC proven by randomized controlled clinical trials.
熊去氧胆酸（UDCA）是惟一经随机对照临床试验证实的治疗PBC安全有效的药物。
In recent years, a series of randomized controlled clinical trials on rescue angioplasty in patients with acute myocardial infarction were completed.
近年来，国外已完成了一系列有关的随机对照临床试验，比较客观的评估了急性心肌梗死补救性介入治疗的效果。
They point out that few well-designed studies, following the gold standard of randomized controlled clinical trials, have demonstrated efficacy over placebos.
他们指出，根据随机对照临床试验的黄金标准精心设计的研究很少显示出比安慰剂更好的功效。
Systematic reviews, randomized controlled clinical trials and clinical guideline have becoming the most important clinical research methods for evidence based medicine.
系统评估方法、临床随机对照研究方式和临床指南的方式，正成为循证医学的最重要的临床研究方法。
A great number of randomized controlled clinical trials have definitely confirmed hyperthermia com-bined with chemotherapy as a novel clinical modality for the treatment of cancer.
大量的临床随机试验结果明确地证实了热疗联合化疗已成为癌症治疗的新的有效方法。
Take, for example, those 19 million studies on PubMed.Some are gold-standard research: large, randomized, controlled clinical trials or meta-analyses that carefully parse millions of data points.
就拿PubMed上的1900万份研究论文来说，一小部分堪称一流：大型，随机，受控的临床试验和结果的荟萃分析与论文提供的数据相当吻合。
Take, for example, those 19 million studies on PubMed. Some are gold-standard research: large, randomized, controlled clinical trials or meta-analyses that carefully parse millions of data points.
就拿PubMed上的1900万份研究论文来说，一小部分堪称一流：大型，随机，受控的临床试验和结果的荟萃分析与论文提供的数据相当吻合。
Two randomized controlled trials (RCTs), one before-and-after study and two retrospective reports on clinical efficacy and safety were retrieved, together with 18 pharmacokinetic studies.
检索到与临床功效和安全性相关的两个随机对照试验(rct)、一个前后对照研究、两个回顾性报告，以及18个药物动力学研究。
Most devastatingly, however, there are no randomized, double-blinded placebo controlled clinical trials that compare the success of quitting smoking by using smokeless tobacco versus using a placebo.
然而，极具讽刺的是，通过使用无烟烟草戒烟与使用安慰对照组相比，临床对照控制组没有进行随机的双盲试验。
The researchers limited their analysis to randomized controlled trials, which are the gold standard of clinical research, to ensure that only the highest quality data were used.
研究人员有选择的分析了随机对照临床试验(临床研究的金标准)，以确保只采用最高质量的数据。
An initial license is granted at an earlier stage than possible under the traditional system, with less clinical information from Randomized Controlled Trials (RCTs).
最初的授证，是比传统系统更早的阶段受到认可，随机对照试验(rct)的临床信息的必要量，也比以前少。
These patients had acne vulgaris ranging from mild to severe and were a subgroup of patients from phase 3, randomized, double-blind, vehicle-controlled, multicenter clinical trials.
这些患者有轻到重度痤疮，是基质对照随机双盲多中心3期临床试验的一个亚组。
To date, randomized, controlled clinical trials have not reproduced the efficacy observed in pre-clinical and small-scale clinical investigations.
在随机对照临床试验中并没有重现小规模临床前的调查中观察到的疗效。
Evidence Acquisition Systematic search of MEDLINE to identify peer-reviewed clinical trials, randomized controlled trials, meta-analyses, and other studies with clinical pertinence.
分类检索MEDLINE中的同行评审临床试验、随机对照试验、meta分析和其他临床相关研究。
Randomized, there are placebo-controlled, double-blind, multi-center clinical trials to prove efficacy is a reliable method.
随机分组、有安慰剂对照、双盲、多中心的临床试验，才是证明疗效的可靠方法。
Manuscripts on epidemiological studies, studies of social medicine, clinical trials, especially large scale randomized controlled trials are welcome.
流行病学研究的手稿，社会医学，临床试验，特别是大规模的研究随机对照试验的欢迎。
Manuscripts on epidemiological studies, studies of social medicine, clinical trials, especially large scale randomized controlled trials are welcome.
流行病学研究的手稿，社会医学，临床试验，特别是大规模的研究随机对照试验的欢迎。
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