Forastiere A A, Orringer M B, Perez-Tamayo C, Urba S G, Zahurak M
Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor.
J Clin Oncol. 1993 Jun;11(6):1118-23. doi: 10.1200/JCO.1993.11.6.1118.
In 1990 we published the results of an intensive 3-week preoperative chemoradiation regimen for locoregional esophageal cancer that suggested improved survival compared with historical controls. We now report the long-term results at a median follow-up of 78.7 months.
Forty-three patients with locoregional squamous cell carcinoma or adenocarcinoma of the esophagus or cardia were treated with fluorouracil (5-FU), cisplatin, and bolus vinblastine concurrent with radiation administered over 21 days. Transhiatal esophagectomy was performed on day 42.
Forty-one patients (95%) completed the preoperative treatment, and 36 (84%) had a potentially curative resection. Ten of 41 (24%) had no tumor in the resected esophagus and nodal tissues (path-negative group). The median survival duration of all 43 patients registered on study was 29 months; 34% were alive at 5 years. By histology, median survival durations were 32 months for 21 adenocarcinoma patients and 23 months for 22 squamous cell patients, with corresponding 5-year survival rates of 34% and 31%, respectively. Analysis of the 36 patients who underwent a potentially curative resection demonstrated median survival durations of 32 and 44 months and 5-year survival rates of 36% and 43%, respectively, for adenocarcinoma and squamous cell histologies. Path-negative (complete response [CR]) patients had a median survival duration of 70 months and 60% were alive at 5 years, while those patients with residual tumor in the resected esophagus had a median survival duration of 26 months and 32% were alive at 5 years (P = .114 by the log-rank test and P = .04 by the Wilcoxon test).
The results of this regimen appear improved over those reported with surgery alone, with an approximate doubling of the 5-year survival rate. Thirty-two percent of patients with residual tumor in the esophageal specimen are long-term survivors, which suggests a benefit from esophagectomy. A randomized trial is in progress to compare this preoperative regimen with immediate surgery.
1990年我们发表了一项针对局部区域性食管癌的为期3周的强化术前放化疗方案的结果,该结果显示与历史对照相比生存率有所提高。我们现在报告中位随访78.7个月的长期结果。
43例局部区域性食管或贲门鳞状细胞癌或腺癌患者接受氟尿嘧啶(5-FU)、顺铂和大剂量长春碱治疗,同时在21天内进行放疗。在第42天进行经裂孔食管切除术。
41例患者(95%)完成了术前治疗,36例(84%)进行了潜在根治性切除。41例中有10例(24%)切除的食管和淋巴结组织中无肿瘤(病理阴性组)。纳入研究的所有43例患者的中位生存时间为29个月;5年生存率为34%。按组织学分类,21例腺癌患者的中位生存时间为32个月,22例鳞状细胞癌患者为23个月,相应的5年生存率分别为34%和31%。对36例进行了潜在根治性切除的患者进行分析,腺癌和鳞状细胞组织学患者的中位生存时间分别为32个月和44个月,5年生存率分别为36%和43%。病理阴性(完全缓解[CR])患者的中位生存时间为70个月,5年生存率为60%,而切除的食管中有残留肿瘤的患者中位生存时间为26个月,5年生存率为32%(对数秩检验P = 0.114,Wilcoxon检验P = 0.04)。
该方案的结果似乎优于单独手术报告的结果,5年生存率大约提高了一倍。食管标本中有残留肿瘤的患者中有32%是长期存活者,这表明食管切除术有益。一项随机试验正在进行中,以比较这种术前方案与直接手术。