测定吸收光谱和临床对照试验。
To measure absorption spectrum and to make a contrast with the clinical experiment.
尚无临床对照试验证明其临床利益，如对存活率的改善。
There are no controlled clinical trials demonstrate clinical benefit, such as improvement of survival rate.
临床真实性与临床对照试验的方法相互影响的持续存在是很理想的。
Ideally, there is continuous interaction between clinical reality and the methods of controlled clinical trials.
结果：针对孕妇的药物临床对照试验难以开展，尚有许多药物对胎儿的影响不明。
RESULTS: it is difficult to carry on the adequate, well-controlled studies in pregnant women and until now there are not definitive answers about many drugs effect on babies.
最终只有通过临床对照试验才能够知道这里所报道的机械性质与临床结果之间的关系。
Ultimately, only a controlled clinical trial can determine whether the mechanical properties reported here correlate with clinical success.
Jadad和他的组员在1996年的《临床对照试验杂志》上发表了一篇有关盲法效应的文章。
Jadad and his team outlined their views of the effectiveness of blinding on published studies in a 1996 paper in the Journal of Controlled Clinical Trials.
为了观察卡托普利注射液治疗高血压危象的疗效，将46例患者分为两组进行临床对照试验。
To observe the effect of captopril injectio on hypertensive crisis, 46 patients were divided into 2 groups for clinical control study.
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).
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).
结果关于抗凝治疗共检索到1篇系统评价、3篇随机对照试验及8篇前瞻性队列研究；关于溶栓治疗共检索到2篇系统评价和1篇临床对照试验。
Results We found 1 systematic review, 3 RCTs and 8 prospective cohort studies about anticoagulation therapy and 2 SRs and 1 CCT about thrombolysis therapy.
这种可能引起安慰剂效应的“无效治疗”经常被作为对照组应用于临床试验，科学家依此判断被测药物的额外作用。
Dummy treatments that might elicit the placebo effect are often used in clinical trials as a comparison group to allow scientists to measure the additional effects of experimental medicines.
哪家医院还会舍弃医学黄金标准、安慰剂对照的临床试验呢？
Where does that leave the gold standard of medicine, the placebo-controlled clinical trial?
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.
每个对照组的资源和临床状况信息来自临床试验数据库。
Information on the resources used and on clinical events in each trial arm was derived from trial databases.
对照临床试验可以评价干预措施或草药产品，但不能评价全面的体验。
Controlled clinical trials can evaluate the intervention or the herbal product, but not the full experience.
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.
他补充说，为了获得关于睡眠呼吸暂停和青光眼间联系的确定答案，需要做大量的有年龄和体重一致对照组的临床试验。
Larger clinical trials with age - and weight-matched controls are required to obtain a definitive answer about the association between sleep apnea and glaucoma, he added.
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.
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.
方法：随机双肓对照临床试验(rct)。
Methods: a randomized double-blind controlled clinical trial (RCT) was conducted.
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。
An investigational or marketed product (i. e., active control), or placebo, used as a reference in a clinical trial.
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.
安慰剂对照临床试验结果表明，阿尔茨海默病患者的记忆力、处理日常事务能力及整体功能改善，验证了这一新疗法。
The new therapy was tested in placebo-controlled clinical trials and improved Alzheimer patients' memory, ability to do everyday things and overall functioning.
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.
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.
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