Systemic chemotherapy and sequential locoregional radiotherapy in initially metastatic nasopharyngeal carcinoma: Retrospective analysis with 821 cases

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BACKGROUND: We designed this retrospective study to explore the best treatment modality for patients with initially metastatic nasopharyngeal carcinoma (NPC). METHODS: From 2008 to 2017, 821 patients were enrolled. Treatment modalities and prognostic factors were analyzed. RESULTS: Compared with chemotherapy alone and radiotherapy-based treatment, systemic chemotherapy-sequential locoregional radiotherapy to the nasopharyngeal primary tumor site were associated with a significantly increased 3-year overall survival (OS) rate (40.3%, 11.7%, and 22.9%, P < .001). The overall response rate of the paclitaxel combined with platinum and fluorouracil (TPF) regimen as first-line chemotherapy was higher than that of the paclitaxel plus platinum (TP) regimen (78.2% vs 70.0%, P = .038). A better OS was achieved in the TPF group compared to doublet drug regimens (3-year OS, 35.7% vs 25.3%, P < .001). CONCLUSIONS: Systemic chemotherapy-sequential locoregional radiotherapy may prolong OS and progression-free survival for selected patients with initially metastatic NPC.

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