Platinum/5-fluorouracil (PF) is commonly used for chemoradiotherapy (CRT) for locally advanced esophageal and esophagogastric junction (EGJ) cancers. Weekly carboplatin and paclitaxel (CP) regimen for preoperative CRT has increased in popularity due to its potentially less toxicity. We retrospectively compared the tolerability and efficacy of these regimens. Patients with esophageal and EGJ squamous cell carcinoma (SCC) or adenocarcinoma who received CRT with curative intent were included. Safety and tolerability during CRT were evaluated using the CTCAE version 4.0. Efficacy was analyzed using pathologic complete response, disease-free survival, and overall survival. One hundred and twenty-four patients were eligible for analysis (CP = 64, PF = 60). Most patients had esophageal cancer (97%) with SCC histology (91%). Preoperative CRT was planned for 43% of patients in the CP group and 34% in the PF group (p = 0.306). The relative dose intensities of cisplatin (67.0%) and 5-fluorouracil (81.4%) were lower than those of carboplatin (86.6%) and paclitaxel (86.2%). No difference in the radiotherapy dose, hospitalization, interruption, or termination was observed between the groups. Dose reduction of chemotherapy was more frequent in the CP group (38 vs. 19%; p = 0.015). Febrile neutropenia was more frequent in the PF group (8 vs. 0%; p = 0.058). All-grade nausea/vomiting was lower in the CP group (20 vs. 38%; p = 0.032). Efficacy was comparable between both regimens. In the multivariate analysis, the CRT regimen was not a significant predictor of survival. The CP regimen had less toxicity than the PF regimen, while efficacy was comparable. A large prospective randomized study is warranted to confirm these results.
Medical Oncology – Springer Journals
Published: Aug 7, 2017
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