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Phase II trial of bevacizumab?+?cetuximab?+?cisplatin with concurrent intensity-modulated radiation therapy for patients with stage III/IVB head and neck squamous cell carcinoma.

ABSTRACT: The purpose of this study was to evaluate the efficacy and tolerability of the addition of 2 monoclonal antibodies, bevacizumab and cetuximab, to 2 cycles of high-dose cisplatin administered concurrently with intensity-modulated radiation therapy (IMRT) for head and neck squamous cell carcinoma (HNSCC).Patients with newly diagnosed stage III/IVB (M0) HNSCC received cetuximab (400 mg/m(2) loading dose, followed by 250 mg/m(2) weekly), bevacizumab (15 mg/kg, days 1 and 22), and cisplatin (50 mg/m(2) , days 1, 2, 22, and 23) concurrently with IMRT (70 Gy). The primary endpoint was progression-free survival (PFS). Secondary endpoints were overall survival (OS) and safety and tolerability.Among 30 patients enrolled in this study, the primary tumor site was the oropharynx in 24 patients (p16 immunohistochemistry was positive in 17, negative in 1, and not done in 6 of the oropharyngeal tumors). Median age was 57 years (range, 38-77 years) and 27 patients had clinical stage IVA disease. All patients completed the full planned dose of radiation therapy. The most common???grade 3 adverse events were lymphopenia, mucositis (functional), and dysphagia. With a median follow-up of 33.8 months, 2-year PFS was 88.5% (95% confidence interval [CI]?=?68.1-96.1) and 2-year OS was 92.8% (95% CI?=?74.2-98.1).The addition of bevacizumab and cetuximab to 2 cycles of cisplatin, given concurrently with IMRT, was well-tolerated and was associated with favorable efficacy outcomes in this patient population. © 2015 Wiley Periodicals, Inc. Head Neck 38: E566-E570, 2016.

SUBMITTER: Fury MG

PROVIDER: S-EPMC5398410 | biostudies-other | 2016 Apr

REPOSITORIES: biostudies-other

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Phase II trial of bevacizumab + cetuximab + cisplatin with concurrent intensity-modulated radiation therapy for patients with stage III/IVB head and neck squamous cell carcinoma.

Fury Matthew G MG Xiao Han H Sherman Eric J EJ Baxi Shrujal S Smith-Marrone Stephanie S Schupak Karen K Gewanter Richard R Gelblum Daphna D Haque Sofia S Schoder Heiko H Shah Jatin P JP Katabi Nora N Kurtzman Rachel R Lipson Brynna B Cox Lisa L Lee Nancy Y NY Pfister David G DG

Head & neck 20150706

<h4>Background</h4>The purpose of this study was to evaluate the efficacy and tolerability of the addition of 2 monoclonal antibodies, bevacizumab and cetuximab, to 2 cycles of high-dose cisplatin administered concurrently with intensity-modulated radiation therapy (IMRT) for head and neck squamous cell carcinoma (HNSCC).<h4>Methods</h4>Patients with newly diagnosed stage III/IVB (M0) HNSCC received cetuximab (400 mg/m(2) loading dose, followed by 250 mg/m(2) weekly), bevacizumab (15 mg/kg, days ...[more]

PMID: 25784616

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Project description:LESSONS LEARNED:Chemotherapy for recurrent, metastatic squamous cell carcinoma of the head and neck need not be known for extreme toxicity.The weekly regimen studied here has been demonstrated to be tolerable and effective. BACKGROUND:The objective of this study was to establish the response rate, progression-free survival (PFS) and overall survival (OS), and safety profile of weekly docetaxel, platinum, and cetuximab (TPC) in patients with relapsed or metastatic squamous cell carcinoma of the head and neck (SCCHN). MATERIALS AND METHODS:Twenty-nine patients with metastatic or recurrent SCCHN with an Eastern Cooperative Oncology Group (ECOG) performance status <3 were enrolled in an institutional review board-approved phase II trial. This study permitted prior chemoradiation, radiation, and/or surgery, provided that 3 months had elapsed since the end of the potentially curative treatment. Patients received cisplatin 30 mg/m2 or carboplatin area under the curve (AUC) 2, docetaxel 30 mg/m2, and cetuximab 250 mg/m2 weekly for 3 weeks, followed by a break during the fourth week, for a 28-day cycle. Planned intrapatient dose modifications were based on individual toxicity. RESULTS:Twenty-seven patients received TPC and were evaluable for response and toxicity. Rates of complete response (CR), partial response (PR), and confirmed PR were 3%, 52%, and 30%, respectively. The overall objective response rate was 56%. Estimated median PFS and OS were 4.8 and 14.7 months, respectively. The rates of grade 3 and 4 worst-grade adverse events (AEs) per patient were 85% and 7%, respectively. Dose density through cycle 4 was preserved for all patients; however, treatment beyond cycle 6 with the TPC regimen proved unfeasible. CONCLUSION:Weekly docetaxel, cisplatin, and cetuximab is an effective regimen for patients with metastatic or recurrent SCCHN. Response rates, PFS, and OS compare favorably with other combination chemotherapy treatments. Grade 4 toxicity rates observed in this study were substantially lower than those described with regimens using less frequent, higher-dose chemotherapy schedules.

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Phase II trial of bevacizumab?+?cetuximab?+?cisplatin with concurrent intensity-modulated radiation therapy for patients with stage III/IVB head and neck squamous cell carcinoma.

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Phase II trial of bevacizumab + cetuximab + cisplatin with concurrent intensity-modulated radiation therapy for patients with stage III/IVB head and neck squamous cell carcinoma.

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