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  • Title: Pilot study of modified version of CHOP plus radiotherapy for early-stage aggressive non-Hodgkin's lymphoma of the head and neck.
    Author: Nishioka T, Tsuchiya K, Nishioka S, Kitahara T, Ohmori K, Homma A, Aoyma H, Shindoh M, Shirato H.
    Journal: Int J Radiat Oncol Biol Phys; 2004 Nov 01; 60(3):847-52. PubMed ID: 15465202.
    Abstract:
    PURPOSE: To evaluate the safety and efficacy of a modified version of cyclophosphamide, doxorubicin, vincristine, prednisone (pirarubicin, cyclophosphamide, vincristine, and prednisone [THP-COP]) plus radiotherapy for early-stage aggressive non-Hodgkin's lymphoma of the head and neck. METHODS AND MATERIALS: Between December 1993 and December 1999, 41 patients with early-stage non-Hodgkin's lymphoma with intermediate-grade histologic features were enrolled in our study. The mean patient age was 51 years. Of the 41 patients, 27 had Stage I and 14 Stage II disease. The primary site was Waldeyer's ring, a neck node, or an extranodal site in 14, 11, and 16 patients, respectively. The immunophenotype was B cell in 29 and T cell in 12 patients. All patients were in the low-risk category according to the International Prognostic Index. Chemotherapy consisted of 40 mg/m(2) i.v. pirarubicin (THP-Adriamycin), 750 mg/m(2) i.v. cyclophosphamide, and 1.0 mg/m(2) i.v. vincristine, on Day 1 and 40 mg/m(2) p.o. prednisone on Days 1-5. The combination chemotherapy was given twice at a 14-day interval. Radiotherapy was given to involved areas at a fraction size of 2.0-2.5 Gy up to a total of 40 Gy within 4-5 weeks. The mean follow-up period was 63 months. RESULTS: The 5-year overall survival rate was 89%. The 5-year cause-specific survival and progression-free survival rate was 90% and 81%, respectively. The 5-year progression-free survival rate for patients with Waldeyer's ring primaries was 93%. Patients with tumor <5 cm in size had greater 5-year progression-free survival than those with tumor >5 cm in size (85% vs. 33%, p <0.05, log-rank test). Grade 4 neutropenia was seen in 12% of patients; however, 93% of patients (38 of 41) received chemotherapy as scheduled with the support of granulocyte colony-stimulating factor. CONCLUSION: Biweekly THP-COP plus radiotherapy is feasible and effective for Stage I-II low-risk non-Hodgkin's lymphoma.
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