草酸铂联合体外化疗药物敏感实验指导肝癌术后个体性化疗

目的评估草酸铂用于原发性肝癌术后化疗的疗效，同时联合体外药敏试验进行药物筛选，评估该系统是否可提高化疗疗效。方法26例原发性肝癌患者均在接受手术切除后肿瘤标本采用了体外药物敏感实验一三磷酸腺苷肿瘤化疗敏感实验（adenosine triphosphate tumor chemosensi-tivityassay，ATP-TCA）进行了药物（阿霉素、丝裂霉素、诺消灵、草酸铂、开普拓、5一Fu、健择、卡铂、顺铂、泰索帝和足叶已甙）评估，其中草酸铂敏感11例（敏感组），15例未报敏感（对照组）。全部患者接受了以草酸铂为主的化疗方案治疗。参照RECIST标准对该方案疗效（CR、PR、SD、PD、ORRxOS和DFS）以及ATP—TCA试验系统的效力进行评估，按照抗癌药毒副反应的分度标准（WHO标准）评价疗效及毒副反应。结果26例获得可评估客观疗效。该方案总疗效分析：CR10例（38．46％），PR5例（12．23％），SD6例（23．08％），PD5例（12．23％）。在敏感组患者中，6例患者获得CR，3例PR，1例SD，1例PD；对照组4例获得CR，2例PR，5例SD，4例PD。两组比较差异无统计学意义（P〉0．05），两组在总生存期（OS，P=0．1116）和无瘤生存期（DFS，P=0．2328）方面差异无统计学意义（P〉0．05），而敏感组在总病情缓解率（ORR，81．8％VS40．0％，P=0．040）方面表现出明显的优势。共发生Ⅰ、Ⅱ度骨髓抑制14例（53．8％），Ⅰ、Ⅱ度胃肠道反应13例（50％），Ⅰ、Ⅱ度肝功能损害15例（57．7％），Ⅰ、Ⅱ度周围神经病变6例（23．1％）。以上并发症多为Ⅰ、Ⅱ度，均可耐受，经过治疗后均恢复正常，两组毒副反应差异无统计学意义（P〉0．05）。结论以草酸铂为主的联合化疗方案在原发性肝癌术后化疗的疗效较高，此化疗方案可能提高肝癌术后患者的总病情缓解率，安全性好。联合应用ATP—TCA系统进行药物评估，可能提高该方案使用效率。

Combined oxaliplatin with adenosine triphosphate tumor chemosensitivity assay (ATP-TCA) for direction of indiyidual chemotherapy of hepatocellular carcinoma

Objective To investigate the effectiveness of combined oxaliplatin regimen as adjuvant chemotherapy for hepatocellular carcinoma and to evaluate the efficacy of using adenosine triphosphate tumor chemosensitivity assay (ATP-TCA) for direction of individual chemotherapy.Methods The twenty-six patients with primary hepatocellular carcinoma were operated.Specimens were collected and adenosine triphosphate tumor chemosensitivity assay (ATP-TCA) was applied to evaluate the sensitiveness of chemotherapy agent(Adriamycin, Mitomycin, Mitoxantrone, Oxaliplatin, Irinotecan, 5-FU, Gemzar, Carboplatin, Cisplatin, Docetaxel and Etoposide).Sensitive group (SG) was from from 11 patients who were sensitive to oxaliplatin, and control group was from the other 16 patients who were not sensitive to oxaliplatin.All the twenty-six patients received oxaliplatin combined with 5-FU or capecitabine regimen chemotherapy.The effectiveness (CR,PR,SD,PD,ORR,OS and DFS) of the regimen according to RECIST criteria and WHO criteria for anticancer drugs toxicity and efficacy of ATP-TCA were evaluated.Results Twenty-six patients were successfully evaluated.In SG, six patients obtained complete remission(CR), three got partial remission(PR), one got stable disease (SD) and one patient got progression disease (PD).While in control group,four patients obtained CR,two patients got PR, five patients got SD and four got PD.No significant differences were found in overall survival (OS, P = 0.1116) and disease-free survival (DFS, P = 0.2328)between sensitive group and control group.But significant differences were found in overall response rate (ORR) (81.8％ vs 40.0％, P =0.0401) between two groups.Common toxicities were as follows:I to Ⅱdegree of myelosuppression was 53.8％, I to Ⅱ degree of gastrointestinal tract response was 50％, I to Ⅱ degree of liver function damage was 57.7％ and I to Ⅱ degree of neuropathy was 23.1％, respectively.Most of these toxicities were tolerable at grade 1 ～ 2.No significant differences were found in the toxicities between two groups.Conclusions Combined oxaliplatin regimen might be an effective choice for adjuvant chemotherapy for HCC, which has with tolerable systemic toxicity.Application of ATP-TCA system might further improve the efficacy of this regimen by selecting right candidate.