期刊
CANCER
卷 118, 期 11, 页码 2820-2827出版社
WILEY
DOI: 10.1002/cncr.26591
关键词
esophageal cancer; esophageal adenocarcinoma; esophageal squamous cancer; preoperative chemoradiotherapy; irinotecan; cisplatin; positron emission tomography (PET) scan
类别
资金
- Pfizer
- Bayer
- Roche
BACKGROUND: Preoperative chemoradiation improves survival in esophageal and gastroesophageal junction (GEJ) cancer. We evaluated irinotecan and cisplatin as induction chemotherapy followed by concurrent chemoradiation in esophageal cancer. METHODS: Patients with uT1N1M0 or uT2-4NanyM0 resectable squamous cancer or adenocarcinoma of the esophagus or GEJ received irinotecan 65 mg/m2 and cisplatin 30 mg/m2 for 4 treatments in weeks 1 through 5, followed by 4 treatments in weeks 7 through 11 with 50.4 Gy in daily fractions, followed by surgery. The primary endpoint was pathologic complete response (pCR). Positron emission tomography (PET) scan was performed prior to chemotherapy and as restaging prior to radiotherapy. RESULTS: Fifty-five patients were evaluable, 75% of whom had adenocarcinoma and 65% of whom had uT3N1 disease. Thirty-eight patients underwent R0 resection (69%). The incidence of pCR was 16% (95% confidence interval, 8%-29%). Median overall survival was 31.7 months. An exploratory analysis of PET response to induction chemotherapy indicated a correlation with pCR (32% vs 4%), R0 resection (84% vs 57%), progression-free survival (24.1 vs 7.7 months), and overall survival (40.2 vs 25.5 months). CONCLUSIONS: Weekly treatment with irinotecan, cisplatin, and radiation achieved results no better and potentially inferior to other phase 2 chemoradiotherapy trials with a low rate of pCR. The use of PET scan after induction chemotherapy to direct chemotherapy during subsequent radiotherapy merits further study. Cancer 2011. (c) 2011 American Cancer Society.
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