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  • Title: Neoadjuvant chemotherapy followed by concurrent chemo-radiation therapy in locally advanced nasopharyngeal carcinoma.
    Author: Al-Amro A, Al-Rajhi N, Khafaga Y, Memon M, Al-Hebshi A, El-Enbabi A, El-Husseiny G, Radawi A, Belal A, Allam A, El-Sebaie M.
    Journal: Int J Radiat Oncol Biol Phys; 2005 Jun 01; 62(2):508-13. PubMed ID: 15890594.
    Abstract:
    PURPOSE: To evaluate the efficacy and outcomes of neoadjuvant cisplatinum and epirubicin chemotherapy followed by concurrent cisplatinum chemotherapy with radiotherapy in patients with locally advanced nasopharyngeal carcinoma. METHODS AND MATERIALS: One hundred ten patients (80 male, 30 female) with locally advanced nasopharyngeal carcinoma, staged according to the 1997 International Union Against Cancer/American Joint Committee on Cancer classification system as IIB (n = 9), III (n = 20), IVA (n = 32), and IVB (n = 49), World Health Organization types II (n = 25) and III (n = 85), were included in this protocol between January 1998 and July 2000 at King Faisal Specialist Hospital and Research Centre. Patients underwent two cycles of induction chemotherapy with cisplatinum 100 mg/m(2) and epirubicin 70 mg/m(2) on Days 1 and 21, followed by a radical course of radiotherapy (6,600 cGy in 6.5 weeks, 200 cGy/fraction) starting on Day 42, with three cycles of concurrent cisplatinum 25 mg/m(2) for 4 days on Days 42, 63, and 84. RESULTS: Of 110 patients included in this study, intracranial extension was present in 32 (29%), and nodal stage was N3 in 49 (45%). Complete remission and partial remission were achieved in 87 patients (79%) and 23 patients (21%), respectively. At a median follow-up for surviving patients of 37 months (22-55 months), 49 of 110 patients (44%) had failed treatment: 12 with local, 9 with regional nodes, 4 locoregional, 5 locoregional plus distant areas, and 19 with distant metastases. At the time of writing, 34 patients had died; all deaths were related to the patients' cancer except for 1 patient with treatment-related toxicity. Three-year actuarial overall survival, relapse-free survival, locoregional control, and distant metastasis-free survival rates were 89%, 78%, 88%, and 89% for patients with stage IIB; 71%, 70%, 89%, and 74% for stage III; 68%, 49%, 61%, and 77% for stage IVA; and 70%, 45%, 60%, and 69% for stage IVB, respectively. One patient received only one induction cycle; all others received two cycles; however, 9 of them required 20% reduction in the second cycle dose. Ninety patients (82%) completed two or more concurrent cycles of cisplatinum. Rates of Grade 3 and 4 reactions after induction chemotherapy were as follows: anemia 1% and 0%, leukopenia 8% and 4%, nausea 27% and 0%, vomiting 25% and 0%, and infection 4% and 4%, respectively. Acute Grade 3 and 4 reactions were also observed during chemoradiotherapy: anemia 1% and 0%, leukopenia 31% and 4%, nausea 35% and 0%, vomiting 26% and 2%, infection in 4% and 2%, mucositis in 49% and 0%, and skin reaction in 39% and 0%, respectively. CONCLUSIONS: Neoadjuvant chemotherapy followed by concurrent chemoradiotherapy is a safe and effective method of treatment for locally advanced nasopharyngeal carcinoma. Further investigations in prospective studies are required to evaluate this regimen.
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