preclinical phase

1. Elevated levels of rheumatoid-arthritis antibodies have been found in patients before the appearance of joint symptoms, suggesting RA has an early preclinical phase, researchers said.
   研究人员说，在关节出现炎症前就已经发现病人体内风湿性关节炎抗体水平的提高，这表明风湿性关节炎存在较早的临床前阶段。
2. Clinical Study of Electrophysiology in Preclinical Phase of Diabetic Retinopathy
   糖尿病视网膜病变临床前期视觉电生理改变的临床研究
3. The results and progresses of the preclinical phase and clinical application of various kinds of neuroprotective drugs on the cerebral ischemia were reviewed in this paper and the prospective uses of these drugs were also introduced.
   本文就目前各类神经保护药治疗脑缺血的临床前期和临床试验的结果与进展作简要的回顾和展望。
4. Detection of Alzheimer's disease and dementia in the preclinical phase: population based cohort study
   临床前期检测阿尔茨海默病与痴呆：基于人群的队列研究
5. Experimental Study on the Near Infrared Spectrum Free Flap Monitoring System in Preclinical Phase
   近红外光谱皮瓣监测系统临床前期的实验研究
6. Small molecular inhibitors of HDAC inducing histone acetylation are highly effective in up-regulating tumor suppressor gene ex-pression, repressing tumor growth and inducing apoptosis in preclinical studies and in phase ⅰ and ⅱ clinical trials.
   临床前研究，Ⅰ和（或）Ⅱ期临床试验都已证实，HDAC的小分子抑制剂能够有效地促进抑癌基因表达，抑制肿瘤生长并诱导细胞凋亡。

noun

1. a laboratory test of a new drug or a new invasive medical device on animal subjects

   Synonym:    preclinical trialpreclinical test