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Wolden, S.L. et al.

Wolden, Zelefsky, Kraus, Rosenzweig, Chong, Shaha, Zhang, Harrison, Shah, Pfister,

Accelerated concomitant boost radiotherapy and chemotherapy for advanced nasopharyngeal carcinoma.

PURPOSE: To evaluate the feasibility and efficacy of concomitant boost radiotherapy (RT) plus cisplatin-based chemotherapy compared with standard fractionation RT for patients with advanced nasopharyngeal cancer. PATIENTS AND METHODS: From 1988 through 1999, 50 patients with American Joint Committee on Cancer stage II-IVb nasopharyngeal carcinoma were treated with 70-Gy concomitant boost RT (1.8 Gy/d, weeks 1 through 6; 1.6 Gy second daily fraction, weeks 5 through 6) and two cycles of concurrent cisplatin 100 mg/m(2) days 1 and 22. Thirty-seven patients also received three cycles of cisplatin-based adjuvant chemotherapy. These 50 patients were compared with a nonrandomized cohort of 51 patients with nasopharyngeal cancer treated with 70-Gy standard fractionation RT (1.8 Gy/d) without chemotherapy from 1988 through 1995. The groups were well matched for prognostic factors except stage, for which the concomitant boost RT/chemotherapy group was more advanced (54%, T3-4; 54%, N2-3; 44%, stage IV) compared with the standard RT group (31%, T3-4, P =.03; 22%, N2-3, P <.001; 20%, stage IV, P <.01). RESULTS: With a median follow-up of 42 months (range, 12 to 129 months), the 3-year actuarial local control, progression-free survival, and survival rates were 89% v 74% (P <.01), 66% v 54% (P =.01), and 84% v 71% (P =.04) for the concomitant boost RT/chemotherapy group and the standard RT patients, respectively. Acute grade 3 mucositis was more prevalent with combined therapy, 84% v 43% (P <.001), resulting in a higher rate of temporary gastrostomy tube placement, 46% v 20% (P <.01). CONCLUSION: Concomitant boost RT with cisplatin-based chemotherapy is feasible and improves local-regional control as well as survival for patients with advanced nasopharyngeal cancer compared with standard RT alone.[1]

References

Accelerated concomitant boost radiotherapy and chemotherapy for advanced nasopharyngeal carcinoma. Wolden, S.L., Zelefsky, M.J., Kraus, D.H., Rosenzweig, K.E., Chong, L.M., Shaha, A.R., Zhang, H., Harrison, L.B., Shah, J.P., Pfister, D.G. J. Clin. Oncol. (2001) [Pubmed]

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