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抗血管内皮生长因子单克隆抗体在非小细胞肺癌中的作用
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作者 凌坤 李瑞香 +3 位作者 于涛 王蓓 王立娟 王瑞婷 《承德医学院学报》 2006年第3期315-317,共3页
非小细胞肺癌(NSCLC)占肺癌的75%,而且它尤为难治,手术是唯一的治疗方法,但是仅有30%的病人在确诊后可以做切除术,而且50%的病人5年内会发生转移。尽管有新的化学治疗,包括基于铂类药物的化疗方法用于不能手术的晚期NSCLC病... 非小细胞肺癌(NSCLC)占肺癌的75%,而且它尤为难治,手术是唯一的治疗方法,但是仅有30%的病人在确诊后可以做切除术,而且50%的病人5年内会发生转移。尽管有新的化学治疗,包括基于铂类药物的化疗方法用于不能手术的晚期NSCLC病人,但他们的预后仍然很差.近期东部联合肿瘤学小组的临床实验,以顺氯铂铵+帕特西尼为标准治疗,其他三种基于铂的治疗与之对比,在1155例病人中,总反应率为19%,平均生存时间仅为8.0个月,1年生存率为33%,2年生存率为11%.在几种治疗方法之间,这些参数没有明显差别.类似的结果也见于其它对比研究的报道,包括卡铂加紫杉醇与长春瑞宾加顺铂的疗效对比研究.这些数据反应了现阶段所能做的最好治疗,因此,对于NSCLC迫切需要一种新的治疗方法. 展开更多
关键词 血管内皮生长因子 单科隆抗体 非小细胞肺癌
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EXPERIMENTAL STUDY OF RADIOIMMUOGUIDED SURGERY IN OVARIAN CARCINOMA
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作者 钱和年 李小平 冯捷 《Chinese Medical Sciences Journal》 CAS CSCD 1998年第2期85-88,共4页
Objectival. To prepare a radioimmunoguided surgery (RIGS) system including radio-nuclides hand- held gamma detecting probe (GDP) with signal processing control unit, specific monoclonal antibody (MAb), technique... Objectival. To prepare a radioimmunoguided surgery (RIGS) system including radio-nuclides hand- held gamma detecting probe (GDP) with signal processing control unit, specific monoclonal antibody (MAb), technique of labeling as well as detection of ovarian carcinoma in nude mice bearing human ovari-an carcinoma. Metals. MAb COCl83B2, produced in our laboratory was used to prepare the F (ah’)2, fragment by ficin digestion. 99mTc labeling of COC183 B2-F(ab’)2, and normal mice IgG were prepared according to im- proved pretining method. GDP and control unit were made by Chinese Atomic Energy Research Institute. Different groups of nude mice bearing human ovarian carcinoma with ascites were administered with differ- ent dosages of 99mTo COCl83 B2-F(ab’)2, and their tissues measured by GDP in vivo and compared with gamma well counts after dissection in vitro. Results. 99mTc labeled COCl83B2-F(ab’)2, yielded a labeling rate of over 90%, and a good immunoac- tivity. The detections of carcinoma tissue by GDP showed a T/NT ratio of 2: 1 as positive for cancer. The smallest carcinoma detected was 0. 2cm × 0.1 cm and the nearest distance between carcinoma and normal tissue was 0. 2cm. Conclusions. The above studies proved that ficin can be used to digest MAbs with high yields and good immunoactivity of F(ab’)2. Our RIGS system with 99mTo labeled COC183 B2-F(ab’)2 and GDP can hope-fully be used clinically for ovarian carcinoma detection. 展开更多
关键词 ovarian carcinoma monoclonal antibody F(ab')_2 radioimmunoguided surgery
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