Abstract
The optimal chemotherapy regimen remains undefined in the treatment of locally advanced oropharyngeal cancer by concomitant chemoradiation. This article compares two platinum-based chemotherapy regimens. In this retrospective study, we reviewed all consecutive patients treated for Stage III or IVA-B oropharyngeal cancer using either a combination of carboplatin and 5-fluorouracil (5FU) every 3 weeks or high-dose cisplatin every 3 weeks concomitant with definitive radiation therapy. A total of 200 patients were treated with carboplatin-5FU and 53 patients with cisplatin. Median potential follow-up was 43 months. The 3-year overall survival rates for carboplatin-5FU and cisplatin respectively were 79.1% and 74.9% (p = 0.628), the 3-year disease-free survival rates were 76.0% and 71.3% (p = 0.799), and the 3-year locoregional control rates were 88.4% and 94.2% (p = 0.244). We could not demonstrate differences between these two regimens, which both proved efficacious. Polychemotherapy and monochemotherapy therefore seem comparable in this retrospective analysis.
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