Abstract
STI571 is active against Bcr/Abl-, c-kit- and platelet-derived growth factor receptor (PDGFR)-driven malignancies. Mild to moderate edema is common, whereas severe edema, body cavity effusions and subdural hygromas are rarely observed. These effects have been suggested to involve inhibition of PDGFR signaling, but predisposing factors are unknown. We examined SNPs in the PDGFR alpha and beta gene regions in STI571-treated patients with and without life-threatening edema or cerebral hygromas, and in healthy volunteers. By RFLP analysis of 15 SNPs, the frequencies of genotypes did not differ between the three groups. SNPs of PDGFR genes do not appear to play a role in patient’s susceptibility to clinically severe edema formation during treatment with STI571.
Published Version
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