证明药理和药效的最好方法之一就是进行随机临床对照试验，在这个试验中其研究对象会被随机地分成两组。
One of the best ways scientists have to prove cause and effect in medicine is to conduct a randomized controlled trial, in which study subjects are randomly assigned to two groups.
方法：按照循证医学有关治疗文献评价原则，对机检有关胃癌随机临床对照试验中医药治疗文献进行调查和评价。
Methods: Articles with RCTs were obtained by electronic searching, and investigate and evaluated according to the principle of evidence-based medicine(EBM).
有一个随机临床试验，其中有47个人使用了无效对照剂，一般是常见的非类固醇抗炎药，或者常见的麻醉剂。
In a randomized clinical trial, 47 subjects were assigned to a placebo, a topical nonsteroidal anti-inflammatory agent, or a topical anesthetic.
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。
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.
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。
The Panel's decision was based on 12-month data from a 5-year, single-arm, non-randomized trial involving 149 obese individuals.
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。
They point out that few well-designed studies, following the gold standard of randomized controlled clinical trials, have demonstrated efficacy over placebos.
研究目的：单盲，随机对照临床试验。
Study Design. A simple blind, random controlled clinical trial.
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。
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.
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。
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.
如作者未说明该试验是否采用随机分配，而读者不能排除其随机分配的可能，则将之归为CCT(临床对照试验)。
If the author (s) do not state explicitly that the trial was randomized, but randomization cannot be ruled out, the report is classified as a 'CCT' (controlled clinical trial).
方法：随机双肓对照临床试验(rct)。
Methods: a randomized double-blind controlled clinical trial (RCT) was conducted.
方法多中心随机平行对照临床试验。
Method The clinical test of multicentric random parallel control was used.
结果：63篇文献中针灸治疗甲亢症的临床随机对照试验论文仅占22.2%，但近年来呈逐年增加趋势。
Results: in 63 papers, clinical randomized controlled tests of acupuncture and moxibustion treatment of hyperthyroidism only accounted for 22.2%, but with increasing tend year by year in recent years.
方法：本研究采用随机、对照、单盲临床试验方法。
Method: the research used the random contrast and single-blinded test.
PIVENS项目是迄今为止采用以安慰剂为对照组，对NASH的疗法进行研究的，最大的随机临床试验。
PIVENS is the largest placebo-controlled, randomized clinical trial of therapies ever conducted for NASH.
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。
In recent years, a series of randomized controlled clinical trials on rescue angioplasty in patients with acute myocardial infarction were completed.
方法以妇炎灵胶囊为对照药，进行随机、盲法、阳性药平行对照、多中心临床试验。
Method With Fuyanling capsule as control, a multi- center randomized blinded controlled trial was adopted.
方法分组与治疗通过单中心、随机、空白对照临床试验方法，分为腹针组20例、空白组20例。
MethodsGrouping and treatment: through single center, stochastic, blank comparison clinical trial method, divides into the abdomen acupuncture group 20 examples, the blank group 20 examples.
此阶段的研究设计可以根据具体的研究目的，采用多种形式，包括随机盲法对照临床试验。
Various forms may be employed for the study design of this phase in accordance with the specific study purpose, including randomized controlled clinical trial.
FDA是基于其两个随机对照临床试验的结果而认可这个药物的。病例数约为125例，患者至少事先接受过一项针对ITP的治疗。
FDA based its approval on two randomized clinical trials of about 125 patients who had received at least one prior ITP treatment.
它还是一个利用随机安慰剂对照的临床试验来获得的阳性结果，从而加速进一步研究的进行。
It is also one that has been in need of positive randomized, placebo-controlled data to accelerate further research.
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。
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.
方法：临床对照随机试验。
方法：作者进行了关于颈间盘疾病患者的随机对照、多中心的临床试验。
Methods. We conducted a randomized controlled multicenter clinical trial enrolling patients with cervical disc disease.
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。
An initial license is granted at an earlier stage than possible under the traditional system, with less clinical information from Randomized Controlled Trials (RCTs).
方法：本次临床试验采用多中心、随机、对照研究。
METHODS: a multi center randomized control clinical trial was used.
现有的研究包括29个队列研究，69个病例对照研究以及4个随机临床试验。
Of the available studies, 29 were cohort studies, 69 case-control studies, and 4 randomized clinical trials.
方法：以市售药品腰痛宁胶囊为对照，进行随机对照临床试验（共21对患者）。
METHODS: Taking commercial Yaotongning as control drug, we performed a random clinical trial in 21 pairs of patient .
方法：以市售药品腰痛宁胶囊为对照，进行随机对照临床试验（共21对患者）。
METHODS: Taking commercial Yaotongning as control drug, we performed a random clinical trial in 21 pairs of patient .
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