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该片剂是由黄药子、拳参、北豆根、夏枯草、败酱草和白藓皮等制成的糖衣片。根据食管上度重度增生者1年后可有2～3％发展为癌的现状,中国医学科学院肿瘤研究所、基础医学研究所、药物研究所和北京长城制药厂等单位于1974年开始,系统研究了抗癌乙片。实验研究发现其对MNNG、AFB和BaP诱发的TA100的自发性癌变,有程度不等的抑制作用;具明显的抗致突及抗促癌作用;对DMBA诱发的地鼠口腔癌抑制率达50％;小鼠急性毒性试验40gm/kg(相当于167.14
The tablet is a sugar-coated tablet made from Dioscorea bulbifera, Panax quinquefolium, Pterocarya striata, Prunella vulgaris, Patrinia praecox, and White Peel. According to the current status of 2-3% of patients with severe hyperplasia of the esophagus who develop cancer after 1 year, the Institute of Oncology, the Institute of Basic Medicine, the Institute of Materia Medica and the Beijing Great Wall Pharmaceutical Factory of the Chinese Academy of Medical Sciences began in 1974. Researched anti-cancer tablets. Experimental study found that it had a degree of inhibitory effect on spontaneous canceration of TA100 induced by MNNG, AFB and BaP; it had obvious anti-outburst and anti-cancer effects; inhibition rate of DMBA-induced hamster oral cancer reached 50 %; Mouse acute toxicity test 40gm/kg (equivalent to 167.14