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Early postoperative paclitaxel followed by concurrent paclitaxel and cisplatin with radiation therapy for patients with resected high-risk head and neck squamous cell carcinoma: report of the phase II trial RTOG 0024.

ABSTRACT: We sought to improve outcomes for patients with high-risk head and neck squamous cell cancer (HNSCC) after surgical resection by testing the feasibility and safety of early postoperative chemotherapy followed by concurrent chemoradiotherapy.Eligible patients had resected, stages III to IV HNSCC with positive margins, extracapsular nodal extension, or multiple positive nodes. Paclitaxel (80 mg/m(2)) was given once weekly during postoperative weeks 2, 3, and 4 and was given before radiation therapy (RT). Paclitaxel (30 mg/m(2)) and cisplatin (20 mg/m(2)) were given once weekly during the last 3 weeks of RT (60 Gy over 6 weeks, beginning 4 to 5 weeks after surgery). The primary end points were treatment safety and tolerability compared with concurrent cisplatin (100 mg/m(2) every 3 weeks) and RT, as tested in Radiation Therapy Oncology Group trial RTOG 9501.The median follow-up time for the 70 patients enrolled was 3.3 years (range, 0.6 to 4.4 years) for surviving patients. Tolerability of all treatment components was comparable to that of RTOG 9501 treatment, which is the current standard of care (compliance rate, 75%; 95% CI, 63% to 85%). One patient died, and seven patients experienced grade 4 nonhematologic toxicities. Rates of locoregional control, disease-free survival, and overall survival exceeded those of RTOG 9501 after adjustment for important prognostic variables (ie, positive margins, extracapsular extension, primary site, and performance status).Chemotherapy soon after surgery followed by concurrent chemoradiotherapy therapy was feasible; tolerance was in line with standard postoperative chemoradiotherapy; and this regimen led to excellent rates of locoregional control and disease-free survival.

SUBMITTER: Rosenthal DI

PROVIDER: S-EPMC2754914 | biostudies-literature | 2009 Oct

REPOSITORIES: biostudies-literature

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Early postoperative paclitaxel followed by concurrent paclitaxel and cisplatin with radiation therapy for patients with resected high-risk head and neck squamous cell carcinoma: report of the phase II trial RTOG 0024.

Rosenthal David I DI Harris Jonathan J Forastiere Arlene A AA Weber Randal S RS Ridge John A JA Myers Jeffrey N JN Garden Adam S AS Kuettel Michael R MR Sidhu Kulbir K Schultz Christopher J CJ Trotti Andy A Ang K Kian KK

Journal of clinical oncology : official journal of the American Society of Clinical Oncology 20090831 28

<h4>Purpose</h4>We sought to improve outcomes for patients with high-risk head and neck squamous cell cancer (HNSCC) after surgical resection by testing the feasibility and safety of early postoperative chemotherapy followed by concurrent chemoradiotherapy.<h4>Patients and methods</h4>Eligible patients had resected, stages III to IV HNSCC with positive margins, extracapsular nodal extension, or multiple positive nodes. Paclitaxel (80 mg/m(2)) was given once weekly during postoperative weeks 2, 3 ...[more]

PMID: 19720915

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Project description:PurposeTo report results of a randomized phase II trial (Radiation Therapy Oncology Group RTOG-0234) examining concurrent chemoradiotherapy and cetuximab in the postoperative treatment of patients with squamous cell carcinoma of the head and neck (SCCHN) with high-risk pathologic features.Patients and methodsEligibility required pathologic stage III to IV SCCHN with gross total resection showing positive margins and/or extracapsular nodal extension and/or two or more nodal metastases. Patients were randomly assigned to 60 Gy radiation with cetuximab once per week plus either cisplatin 30 mg/m(2) or docetaxel 15 mg/m(2) once per week.ResultsBetween April 2004 and December 2006, 238 patients were enrolled. With a median follow-up of 4.4 years, 2-year overall survival (OS) was 69% for the cisplatin arm and 79% for the docetaxel arm; 2-year disease-free survival (DFS) was 57% and 66%, respectively. Patients with p16-positive oropharynx tumors showed markedly improved survival outcome relative to patients with p16-negative oropharynx tumors. Grade 3 to 4 myelosuppression was observed in 28% of patients in the cisplatin arm and 14% in the docetaxel arm; mucositis was observed in 56% and 54%, respectively. DFS in this study was compared with that in the chemoradiotherapy arm of the RTOG-9501 trial (Phase III Intergroup Trial of Surgery Followed by Radiotherapy Versus Radiochemotherapy for Resectable High Risk Squamous Cell Carcinoma of the Head and Neck), which had a hazard ratio of 0.76 for the cisplatin arm versus control (P = .05) and 0.69 for the docetaxel arm versus control (P = .01), reflecting absolute improvement in 2-year DFS of 2.5% and 11.1%, respectively.ConclusionThe delivery of postoperative chemoradiotherapy and cetuximab to patients with SCCHN is feasible and tolerated with predictable toxicity. The docetaxel regimen shows favorable outcome with improved DFS and OS relative to historical controls and has commenced formal testing in a phase II/III trial.

Dataset Information

Early postoperative paclitaxel followed by concurrent paclitaxel and cisplatin with radiation therapy for patients with resected high-risk head and neck squamous cell carcinoma: report of the phase II trial RTOG 0024.

Publications

Early postoperative paclitaxel followed by concurrent paclitaxel and cisplatin with radiation therapy for patients with resected high-risk head and neck squamous cell carcinoma: report of the phase II trial RTOG 0024.

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