• Int. J. Radiat. Oncol. Biol. Phys. · Apr 2012

    Phase II study evaluating the addition of cetuximab to the concurrent delivery of weekly carboplatin, paclitaxel, and daily radiotherapy for patients with locally advanced squamous cell carcinomas of the head and neck.

    • Mohan Suntharalingam, Young Kwok, Olga Goloubeva, Arti Parekh, Rodney Taylor, Jeffrey Wolf, Ann Zimrin, Scott Strome, Robert Ord, and Kevin J Cullen.
    • Department of Radiation Oncology, University of Maryland School of Medicine, Baltimore, MD, USA. msuntha@umm.edu
    • Int. J. Radiat. Oncol. Biol. Phys. 2012 Apr 1; 82 (5): 1845-50.

    PurposeTo report the mature data of a prospective Phase II trial designed to evaluate the efficacy of an epidermal growth factor receptor inhibitor cetuximab (CTX) added to the concurrent therapy of weekly paclitaxel/carboplatin (PC) and daily radiation therapy (RT).Methods And MaterialsFrom 2005 to 2009, a total of 43 patients were enrolled in the study. The median follow-up was 31 months (range, 9-59 months). All patients had Stage III/IV disease at presentation, and 67% had oropharyngeal primaries. The weekly IV dose schedules were CTX 250 mg/m(2) (400 mg/m(2) IV loading dose 1 week before RT), paclitaxel 40 mg/m(2), and carboplatin AUC 2. RT was given at 1.8 Gy per day to 70.2 Gy. Intensity-modulated RT was used in 70% of cases.ResultsAll patients completed the planned RT dose, 74% without any treatment breaks. The planned CTX and PC cycles were completed in 70% (91% with at least seven of planned nine cycles) and 56% (93% with at least seven of planned eight cycles) of patients, respectively. Toxicity included Grade 3 mucositis (79%), rash (9%), leucopenia (19%), neutropenia (19%), and RT dermatitis (16%). The complete response (CR) rate at the completion of therapy was 84%. The estimated 3-year local regional control rate was 72%. Six patients with an initial CR subsequently experienced a local recurrence, 10 patients experienced distant progression. The median overall survival and disease-free survivals have not been reached. The 3-year actuarial overall survival and disease-free survival were 59% and 58%, respectively.ConclusionsThe addition of CTX to weekly PC and daily RT was well tolerated and resulted in encouraging local control and survival rates.Copyright © 2012 Elsevier Inc. All rights reserved.

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