期刊
ORAL ONCOLOGY
卷 43, 期 1, 页码 33-36出版社
ELSEVIER
DOI: 10.1016/j.oraloncology.2005.12.026
关键词
carcinoma; adenoid cystic; salivary glands; imatinib; therapy
Adenoid cystic carcinoma of the salivary glands is characterized by a poor response to chemotherapy. Most cases of adenoid cystic carcinoma express the c-kit protein. Imatinib mesylate (Gleevec) inhibits several protein-tyrosine kinases, including c-kit. We therefore hypothesized that Imatinib may be an effective drug in patients with locally advanced or metastatic adenoid cystic carcinoma and conducted a phase 2 trial in order to study this. Patients with locally advanced or metastatic adenoid cystic carcinoma and c-kit positive tumours were eligible. Fourteen patients were screened and 10 patients (71%) with c-kit positive tumours entered the study. Treatment was begun at a dose of Imatinib of 400 mg/day. Dose escalation was allowed in the absence of toxicity. The dose was increased to 600 mg/d in three patients and 800 mg/d in one patient. Three patients required dose reduction to 300 mg/d, due to grade 3 toxicity. No grade 4 toxicity was seen. No objective responses were seen. Two patients (20%) exhibited stable disease for 11 and 14 months, respectively. All other patients stopped treatment after 2-14 (median 6) months due to progressive disease. Imatinib has no major effect on advanced adenoid cystic carcinoma of the head and neck. (c) 2006 Elsevier Ltd. All rights reserved.
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