Modified Combination Chemotherapy of Cisplatin and 5-Fluorouracil in Squamous Cell Carcinomas of the Head and Neck

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Randomized studies on the efficacy of two courses of different types of chemotherapy, including cisplatin and 5-fluorouracil (5-FU), were performed on 130 previously untreated cases with advanced squamous cell carcinomas of the head and neck. Cisplatin, followed by 120-hr continuous 5-FU infusion given in the conventional way, was administered to 60 patients (Group A), while cisplatin was administered 72 hr after the initiation of continuous 5-FU infusion in 70 other patients (Group B). The overall response rates (complete response plus partial response) were 58% in group A and 69% in group B, respectively. A superior complete response rate was obtained in cases receiving modified chemotherapy (10% in group A vs 20% in group B). There was no significant difference in the incidence of side effects between the two groups. These findings indicate that the modified cisplatin plus 5-FU combination chemotherapy tested here is more efficacious regimen than that of the conventional one to achieve high complete response rate and subsequently, to improve the survival of advanced carcinoma cases of the head and neck.

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