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IIIA-N2期非小细胞肺癌术后化疗随机对照研究结果
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    王思愚 1 区 伟 1 林勇斌 1 梁 颖 2 叶 雄 1 戎铁华 1

    1 中山大学肿瘤防治中心 肿瘤医院胸科

    2 中山大学肿瘤防治中心 肿瘤医院内科

    基金项目:广东省科技厅重点科技项目( 2KM04402S )

    【摘要】 目的: 探讨术后化疗对 IIIAN2 期非小细胞肺癌患者生存期的影响。 方法: 1999 年 1 月 1 日至 2003 年 12 月 31 日,术后确诊为 IIIAN2 期非小细胞肺癌患者 150 例,随机分为术后化疗组术后( 79 例)与单纯手术组( 71 例)。术后化疗组的患者接受长春瑞滨( 25mg/m 2 D1 、 D5 )或紫杉醇 (175 mg/m 2 D1) +卡铂( AUC = 5 , D1 )化疗,每 3 周 1 次,共 4 周期。 结果: 术后化疗组 75.8% ( 68/79 )的患者接受 4 个周期的化疗,没有患者死于与化疗相关的毒性作用; 25% 患者出现 3 ~ 4 级白细胞减少, 2% 的患者出现发热型白细胞减少;恶心、呕吐的发生率为 56% 、 35% 。 150 例非小细胞肺癌患者中位生存数 879 天, 1 年、 2 年、 3 年总生存率为 81 %、 59% 、 43% ;术后化疗组中位生存数 897 天,单纯手术组中位生存数 821 天,( P 值= 0.0527 );术后化疗组 1 年、 2 年、 3 年生存率各为 94.71 %、 76.28 %、 49.62 %,单纯手术组 1 年、 2 年、 3 年生存率各为 88.24% 、 60.13 %, 43.73 %,其中 1 年、 2 年生存率的差异有统计学意义( z 值分别为 1.956 、 2.427 , P 值< 0.05 )。脑转移为最常见的首发转移部位,占 26% ( 39/150 )其中术后化疗组为 22% ( 18/79 ),单纯手术组为 29% ( 21/71 ),无显著性差别。术后化疗组与单纯手术组中脑转移患者的中位生存数分别为 812 天、 512 天( P = 0.122 ), 2 年生存率分别为 66.7 %、 37.6% ( P < 0.05 ),出现脑转移后中位生存时间为 190 天。 结论: 1. 术后化疗虽不能显著性延长 IIIAN2 期非小细胞肺癌患者的中位生存数,但显著性提高了 1 年、 2 年的生存率。 2. 术后化疗没有减少 IIIAN2 期非小细胞肺癌患者脑转移的发生率,但推迟了脑转移发生的时间。

    【主题词】 肺肿瘤; 非小细胞肺癌; 外科治疗; 术后化疗

    【 Abstract 】 Objective To evaluate the effect of postoperative adjuvant chemotherapy on survival after complete resection of stage III-N2 non-small-cell lung cancer. Methods From Jan.1999 to Dec. 2003,One-hundred and fifty patients with stage III-N2 non-small cell lung cancer randomly received four cycles of chemotherapy with NVB ( 25mg/m 2 ,D1,D5) /pacitaxor(175mg/m 2 ,D1)and Carboplatin (AUC=5 , D1) or to observation after operation. Results In chemotherapy group, 75.8% ( 68/79 ) of patients had finished 4 cycles of chemotherapy, no one died of toxic effects of chemotherapy,25% of patients had grade 3-4 neutropenia,2% patients had febrile neutropenia. The median survival for the entire 150 patients is 879 days,with a 1-year survival rate of 81%, with a 2-year survival rate of 59%, with a 3-year survival rate of 43%, There is non significant diference in median survival between chemotherapy and control group ( 897 days vs 821days P = 0.0527) , but there is significant diference in the 1-year and 2-year survival rate (94.71% 、 76.28 % vs 88.24 %、 60.13 %, P < 0.05). The most common site of recurrence was the brain. Twenty-six percent (39/150 ) of patients recurred in the brain as their first site of failure, 22% ( 18/79 ) for chemotherapy group , 29% ( 21/71 ) for control group. The median survival for patients who developed brain metastasis between chemotherapy and control group is non differenc (812 days vs 512 days, p = 0.122),but there is significant diference in the 2-year survival rate (66.71 % vs 37.6 % P < 0.05). The median survival is 190 days for the patients when brain metastasis appeared. Conclusions Postoperative adjuvant chemotherapy dose not significantly improves median survival among patients with completely resected stage III-N2 non-small cell lung cancer,but significantly improves the 1-year and 2-year survival rate.It also dose not decrease the incidence of brain metastasis but put off the time of brain metastasis in chemotherapy group. ......

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