Strahlentherapie und Onkologie : Organ der Deutschen Röntgengesellschaft ... [et al]
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Imatinib (Gleevec, Glivec) is an inhibitor of alpha- and beta-platelet-derived growth factor receptors and other tyrosine kinases, that are also associated with the function of growth factors. Imatinib has been approved for the treatment of chronic myelogenous leukemia and gastrointestinal stromal tumors and is under investigation for the therapy of several other malignant tumors. Since radiotherapy is an important treatment option in many tumors, combined effects of imatinib and radiation were analyzed here. ⋯ Imatinib (Gleevec), a "molecular targeted" approved drug for human malignancies, can enhance the tumor growth reduction induced by fractionated radiotherapy in glioblastoma and carcinoma models. The data provides a rationale to further investigate the combination.