Methotrexate plus or minus cetuximab as first-line treatment in a recurrent or metastatic (R/M) squamous cell carcinoma population of the head and neck (SCCHN), unfit for cisplatin combination treatment, a phase Ib-randomized phase II study Commence
- PMID: 31903657
- PMCID: PMC7216894
- DOI: 10.1002/hed.26053
Methotrexate plus or minus cetuximab as first-line treatment in a recurrent or metastatic (R/M) squamous cell carcinoma population of the head and neck (SCCHN), unfit for cisplatin combination treatment, a phase Ib-randomized phase II study Commence
Abstract
Background: Methotrexate in recurrent or metastatic (R/M) squamous cell carcinoma of the head and neck (SCCHN) has limited progression-free survival (PFS) benefit. We hypothesized that adding cetuximab to methotrexate improves PFS.
Methods: In the phase-Ib-study, patients with R/M SCCHN received methotrexate and cetuximab as first-line treatment. The primary objective was feasibility. In the phase-II-study patients were randomized to this combination or methotrexate alone (2:1). The primary endpoint was PFS. Secondary endpoints were overall survival (OS), toxicity, and quality of life (QoL).
Results: In six patients in the phase-Ib-study, no dose limiting toxicities were observed. In the phase II study, 30 patients received the combination and 15 patients methotrexate. In the phase-II-study median PFS was 4.5 months in the combination group vs 2.0 months in the methotrexate group (HR 0.37; P = .002). OS, toxicity, and QoL were not significantly different.
Conclusion: Cetuximab with methotrexate improved PFS without increased toxicity in R/M SCCHN-patients.
Keywords: cetuximab; first-line; methotrexate; palliative treatment; recurrent or metastatic squamous cell carcinoma of the head and neck.
© 2020 The Authors. Head & Neck published by Wiley Periodicals, Inc.
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