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Applied study on optimizing therapeutic regimen of gastric cancer with the chemosensitivity test in vitro by MTT assay

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Author:
No author available
Journal Title:
CANCER RESEARCH AND CLINIC
Issue:
10
DOI:
10.3760/cma.j.issn.1006-9801.2007.10.005
Key Word:
胃肿瘤;药物筛选试验,抗肿瘤

Abstract: 目的 探讨不同化疗药物之间对胃癌细胞的敏感性差异,以筛选出最佳的化疗药物或联合化疗方案.方法 应用四甲基偶氮唑蓝(MTT)显色分析法测定34例胃癌标本对7种化疗药物及其组成的联合化疗方案的敏感性或耐药性,并比较结果.结果 胃癌化疗敏感性个体差异较大,联合化疗药物的敏感性明显优于单药(P<0.01).各药物平均抑制率由高到低的顺序依次为5-Fu+MMC+ADM>5-Fu+CF+VP16+DDP+MMC>5-Fu>5-Fu+CF+VP16>5-Fu+CF+VP16+DDP>5-Fu+MMC+EPI>ADM>EPI>MMC>VP16>DDP>CF.无论是单药组间比较,还是联合药物组间比较,其敏感性的差异均无统计学意义(均P>0.05).结论 体外肿瘤细胞药敏试验对临床肿瘤化疗用药有很强的预见性和指导性,并能发现耐药病例.对胃癌患者进行化疗时,应尽量选择联合用药方案.

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