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BACKGROUND To compare the effects of chemotherapy dose escalation on survival and prognosis of nasopharyngeal carcinoma (NPC) patients who developed bone-only metastasis. MATERIAL AND METHODS Between October 2000 to March 2017, 58 NPC patients with initial bone-only metastasis were retrospectively analyzed. Patients who received less then 6 or ≥6 cycles of chemotherapy were matched and grouped using receiver operating characteristic curve (ROC) analysis. Overall survival (OS) was assessed using the Kaplan-Meier method, log-rank test, an