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Copyright © Taylor & Francis Group, LLC. Imatinib therapy has improved outcomes in advanced GISTs. Current guidelines suggest monitoring with CT scanning every 12 weeks. There are no validated biomarkers to assist disease evaluation. We identified 50 patients treated with imatinib for GIST in a single tertiary center. We assessed the prognostic value of D-dimers by Cox regression, and the utility as a biomarker for radiological progression (rPD) using receiver-operator curve (ROC) analysis. In asymptomatic patients with D-dimer levels <1,000 and falling levels, the negative predictive value for rPD was 92%. D-dimers may reduce the burden of CT scanning in a proportion of patients in this setting. © 2015

Original publication

DOI

10.3109/07357907.2015.1047504

Type

Journal article

Journal

Cancer Investigation

Publication Date

14/09/2015

Volume

33

Pages

347 - 353