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  • Title: Phase II study of gefitinib in patients with advanced salivary gland cancers.
    Author: Jakob JA, Kies MS, Glisson BS, Kupferman ME, Liu DD, Lee JJ, El-Naggar AK, Gonzalez-Angulo AM, Blumenschein GR.
    Journal: Head Neck; 2015 May; 37(5):644-9. PubMed ID: 24585506.
    Abstract:
    BACKGROUND: The purpose of this study was to determine the antitumor activity of the epidermal growth factor receptor (EGFR) inhibitor gefitinib in patients with recurrent/metastatic salivary gland cancer. METHODS: We conducted a phase II study in adenoid cystic carcinoma (ACC) and non-ACC. Gefitinib was administered 250 mg orally daily. The primary endpoint was tumor response. Secondary endpoints included progression-free survival (PFS), overall survival (OS), and disease control rates. EGFR and human epidermal growth factor receptor 2 (HER2) expression were evaluated and correlated with outcomes. RESULTS: Thirty-seven patients were enrolled in this study, and 36 were evaluable (18 with ACC and 18 with non-ACC). No responses were observed. Median PFS was 4.3 months and 2.1 months, and median OS was 25.9 months and 16 months for patients with ACC and non-ACC, respectively. The disease control rate at 8 weeks was higher in patients with ACC. No unexpected toxicities occurred. EGFR and HER2 overexpression did not correlate with outcomes. CONCLUSION: We did not observe significant clinical activity of gefitinib in advanced salivary gland cancer. NCT00509002.
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