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Wanebo HJ , Lee J , Burtness BA , Ridge JA , Ghebremichael M , Spencer SA , Psyrri D , Pectasides E , Rimm D , Rosen FR , Hancock MR , Tolba KA , Forastiere AA
Induction cetuximab, paclitaxel, and carboplatin followed by chemoradiation with cetuximab, paclitaxel, and carboplatin for stage III/IV head and neck squamous cancer: a phase II ECOG-ACRIN trial (E2303)
Ann Oncol. 2014 Oct;25(10) :2036-41
AbstractBACKGROUND: E2303 evaluated cetuximab, paclitaxel, and carboplatin used as induction therapy and concomitant with radiation therapy in patients with stage III/IV head and neck squamous cell carcinoma (HNSCC) determining pathologic complete response (CR), event-free survival (EFS), and toxicity. PATIENTS AND METHODS: Patients with resectable stage III/IV HNSCC underwent induction therapy with planned primary site restaging biopsies (at week 8 in clinical complete responders and at week 14 if disease persisted). Chemoradiation (CRT) began week 9. If week 14 biopsy was negative, patients completed CRT (68-72 Gy); otherwise, resection was carried out. p16 protein expression status was correlated with response/survival. RESULTS: Seventy-four patients were enrolled; 63 were eligible. Forty-four (70%) were free of surgery to the primary site, progression, and death 1-year post-treatment. Following induction, 41 (23 CR) underwent week 8 primary site biopsy and 24 (59%) had no tumor (pathologic CR). Week 14 biopsy during chemoradiation (50 Gy) in 34 (15 previously positive biopsy; 19 no prior biopsy) was negative in 33. Thus 90% of eligible patients completed CRT. Overall survival and EFS were 78% and 55% at 3 years, respectively. Disease progression in 23 patients (37%) was local only in 10 (16%), regional in 5 (8%), local and regional in 2 (3%), and distant in 5 patients (8%). There were no treatment-related deaths. Toxicity was primarily hematologic or radiation-related. p16 AQUA score was not associated with response/survival. CONCLUSIONS: Induction cetuximab, paclitaxel, and carboplatin followed by the same drug CRT is safe and induces high primary site response and promising survival. CLINICAL TRIALS NUMBER: NCT 00089297.
Notes1569-8041 Wanebo, H J Lee, J Burtness, B A Ridge, J A Ghebremichael, M Spencer, S A Psyrri, D Pectasides, E Rimm, D Rosen, F R Hancock, M R Tolba, K A Forastiere, A A U24 CA114737/CA/NCI NIH HHS/United States Journal Article England Ann Oncol. 2014 Oct;25(10):2036-41. doi: 10.1093/annonc/mdu248. Epub 2014 Jul 9.