这次批准的依据是2次前瞻性随机双盲安慰剂控制对照临床研究的数据。
The approval was based on data from 2 prospective, randomized, double-blind placebo-controlled clinical studies.
方法采用前瞻性，随机双盲双模拟，阳性药平行对照，多中心临床研究。
Methods The multicentre prospective, random, double-blind and imitation, positive-drug parallel control clinical trails are used.
长期肠内营养对克罗恩病临床或内镜切除术后复发的影响：前瞻性，非随机，平行对照研究。
Impact of long-term enteral nutrition on clinical and endoscopic recurrence after resection for Crohn's disease: a prospective, non-randomized, parallel, controlled study.
纳入标准：经典文献、经严格科学设计的基础实验研究、前瞻性随机性临床研究及病例对照研究。
Inclusion criteria: Typical literatures, basic experimental research that restrictedly and scientifically designed, prospective randomized clinical research as well as case control study.
设计前瞻性随机对照临床研究。
Design Prospective, randomized and comparative clinical study.
设计前瞻性随机对照临床研究。
方法：采用前瞻性随机对照临床研究方法。
方法以前瞻性的随机单盲对照法进行临床研究。
MethodsA prospective randomized single-blind clinical study of the control method.
方法：本研究为随机、对照、前瞻性的临床试验。
Methods This is a randomized, controlled and prospective 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.
方法 采用前瞻性、多中心、随机、双盲和平行对照临床研究的亚组分析。
Methods Subgroup analysis of a perspective multicenter randomized double blind and parallel control study was performed.
方法：1、临床研究：采用前瞻性对照研究的方式，选择64位肝衰竭患者(辨证属气阴两虚者)，随机分为2组，每组各32人。
Method: 1 Clinical study: By the way of retrospective controlled study, we chose 64 patients who were weakness of Qi and Yin, divided into 2 groups, 32 for each group.
方法前期为一项前瞻性、随机、非盲对照临床试验，后期为队列研究。
Methods the clinical trial was a randomized non-blind parallel controlled study in the first 6 months.
方法前期为一项前瞻性、随机、非盲对照临床试验，后期为队列研究。
Methods the clinical trial was a randomized non-blind parallel controlled study in the first 6 months.
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