Twice-daily radiotherapy as concurrent boost technique during two chemotherapy cycles in neoadjuvant chemoradiotherapy for resectable esophageal carcinoma: mature results of phase II study

International Journal of Radiation Oncology, Biology, Physics
Noah C ChoiD J Mathisen

Abstract

To determine the toxicities of neoadjuvant chemoradiotherapy using a three-drug regimen (cisplatin, 5-fluorouracil, and paclitaxel) and a conventional radiotherapy (RT) schedule combined with a concurrent boost technique during chemotherapy cycles, and to determine the rate of tumor response, overall survival, and impact of pathologic tumor response on survival. The eligibility criteria included resectable adenocarcinoma or squamous cell carcinoma (T2-T3N0-N1M0), performance score < or =2, and no significant comorbidities for trimodality therapy. Chemotherapy consisted of two cycles of cisplatin, 5-fluorouracil, and paclitaxel. A concurrent boost technique was used in RT for 2 levels of radiation doses: 58.5 Gy in 34 fractions within 5 weeks to the gross tumor volume and 45 Gy in 25 fractions within 5 weeks to the clinical target volume by administering a boost dose of 13.5 Gy in 9 fractions, 1.5 Gy/fraction, as a second daily fraction for 9 days on Days 1-5 and 29-32 of the chemotherapy cycles. We enrolled 46 patients in the study. The paclitaxel dose was started at 75 mg/m(2) (n = 7) and escalated to 125 mg/m(2) (n = 5), at which point, dose-limiting toxicities occurred. Thereafter, paclitaxel at 100 mg/m(2) was used for an a...Continue Reading

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Citations

Jun 5, 2007·Journal of Thoracic Oncology : Official Publication of the International Association for the Study of Lung Cancer·Zhongxing LiaoRitsuko Komaki
Oct 18, 2011·International Journal of Radiation Oncology, Biology, Physics·Brian M AlexanderNoah C Choi
Aug 23, 2008·International Journal of Radiation Oncology, Biology, Physics·Michael R ButtonThomas D L Crosby
Nov 14, 2006·International Journal of Radiation Oncology, Biology, Physics·Dong W KimBapsi Chakravarthy
May 30, 2006·International Journal of Radiation Oncology, Biology, Physics·Kevin S RoofNoah C Choi
Mar 11, 2017·Surgical Oncology Clinics of North America·Stephen G ChunBruce D Minsky
Nov 22, 2005·Journal of Surgical Oncology·Jean-François BossetS Servagi

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