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The results of radiotherapy alone for patients with locally advanced (stage III or IV) nasopharyngeal cancer (NPC) are poor in spite of the initial complete clearance. Twenty-seven patients (26 stage IV) were treated with concurrent standard radiotherapy and cisplatin 100 mg/m2 intravenously on day 1 and every 3 weeks for three courses. In 24 (89%) patients, complete response (CR) was achieved. The CR rate was higher for poorly undifferentiated cancer (100%). The major side effects were leukopenia (97%), anemia (54%), nausea and vomiting (81%), stomatitis (92%), and renal impairment (52%). Most of these side effects were either mild or moderate and reversible. All patients finished the radiotherapy dose (greater than 6,450 cGy), 19 (70%) had three courses of cisplatin, and eight had only two courses, six due to drug toxicity. Twenty-six patients with stage IV disease were compared with 78 patients treated with radiotherapy alone by the Radiation Therapy Oncology Group (RTOG). The disease-free survival (DFS), overall survival, and the incidence of distant organ metastasis appear to be better in the combined group. It was concluded that the combination of chemo-radiotherapy in patients with locally advanced NPC needs to be evaluated in a phase III randomized trial.
Al‐Sarraf et al. (Wed,) studied this question.