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Randomized study of sinusoidal chronomodulated versus flat intermittent induction chemotherapy with cisplatin and 5-fluorouracil followed by traditional radiotherapy for locoregionally advanced nasopharyngeal carcinoma / 癌症
Chinese Journal of Cancer ; (12): 502-511, 2013.
Article in English | WPRIM | ID: wpr-320570
ABSTRACT
Neoadjuvant chemotherapy plus radiotherapy is the most common treatment regimen for advanced nasopharyngeal carcinoma (NPC). Whether chronomodulated infusion of chemotherapy can reduce its toxicity is unclear. This study aimed to evaluate the toxic and therapeutic effects of sinusoidal chronomodulated infusion versus flat intermittent infusion of cisplatin (DDP) and 5-fluorouracil (5-FU) followed by radiotherapy in patients with locoregionally advanced NPC. Patients with biopsy-diagnosed untreated stages III and IV NPC (according to the 2002 UICC staging system) were randomized to undergo 2 cycles of sinusoidal chronomodulated infusion (Arm A) or flat intermittent constant rate infusion (Arm B) of DDP and 5-FU followed by radical radiotherapy. Using a "MELODIE" multi-channel programmed pump, the patients were given 12-hour continuous infusions of DDP (20 mg/m2) and 5-FU (750 mg/m2) for 5 days, repeated every 3 weeks for 2 cycles. DDP was administered from 1000 am to 1000 pm, and 5-FU was administered from 1000 pm to 1000 am each day. Chronomodulated infusion was performed in Arm A, with the peak deliveries of 5-FU at 400 am and DDP at 400 pm. The patients in Arm B underwent a constant rate of infusion. Radiotherapy was initiated in the fifth week, and both arms were treated with the same radiotherapy techniques and dose fractions. Between June 2004 and June 2006, 125 patients were registered, and 124 were eligible for analysis of response and toxicity. The major toxicity observed during neoadjuvant chemotherapy was neutropenia. The incidence of acute toxicity was similar in both arms. During radiotherapy, the incidence of stomatitis was significantly lower in Arm A than in Arm B (38.1% vs. 59.0%, P = 0.020). No significant differences were observed for other toxicities. The 1-, 3-, and 5-year overall survival rates were 88.9%, 82.4%, and 74.8% for Arm A and 91.8%, 90.2%, and 82.1% for Arm B. The 1-, 3-, and 5-year progression-free survival rates were 91.7%, 88.1%, and 85.2% for Arm A and 100%, 94.5%, and 86.9% for Arm B. The 1-, 3-, and 5-year distant metastasis-free survival rates were 82.5%, 79.1%, and 79.1% for Arm A and 90.2%, 85.2%, and 81.7% for Arm B. Chronochemotherapy significantly reduced stomatitis but was not superior to standard chemotherapy in terms of hematologic toxicities and therapeutic response.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Radiotherapy / Stomatitis / Carcinoma / Antineoplastic Combined Chemotherapy Protocols / Nasopharyngeal Neoplasms / Survival Rate / Cisplatin / Radiotherapy, High-Energy / Disease-Free Survival Type of study: Controlled clinical trial Limits: Adult / Female / Humans / Male Language: English Journal: Chinese Journal of Cancer Year: 2013 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Radiotherapy / Stomatitis / Carcinoma / Antineoplastic Combined Chemotherapy Protocols / Nasopharyngeal Neoplasms / Survival Rate / Cisplatin / Radiotherapy, High-Energy / Disease-Free Survival Type of study: Controlled clinical trial Limits: Adult / Female / Humans / Male Language: English Journal: Chinese Journal of Cancer Year: 2013 Type: Article