Treatment results of alternating chemoradiotherapy for nasopharyngeal cancer using cisplatin and 5-fluorouracil – A phase II study
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摘要
The present study was conducted to evaluate the therapeutic results of alternating chemoradiotherapy for locally advanced nasopharyngeal cancer. The subjects were 87 patients with stage II–IVB nasopharyngeal cancer. Alternating chemoradiotherapy was performed; initially, chemotherapy was administered, and then radiotherapy (wide field), chemotherapy, radiotherapy (shrinking field), and chemotherapy were alternately performed. For chemotherapy, 5-FU at a dose of 800 mg/m2/24 h was intravenously administered for 5 days (days 1–5), and CDDP at a dose of 50 mg/m2/24 h for 2 days was administered on day 6 and 7. The scheduled courses of alternating chemoradiotherapy were completed in 70 (80%) of 87 patients. Although 1 patient developed a transient neurological disturbance induced by hyper-ammonemia by metabolism of 5-FU, no severe adverse effects were noted in any other patients. In these 87 patients, the overall 5-year survival rate was 83%(95%confidence interval: 74–92%), and the progression free survival rate was 75%(95%CI: 66–85%). This method of alternating chemoradiotherapy yielded higher or at least similar survival rates and lower toxicities than concurrent chemoradiotherapy, and is worth trying in a randomized controlled study to compare with concurrent chemoradiotherapy.

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