Trial reportCancer chemotherapy and pharmacology2014
Results of a phase I, open-label, randomized, crossover study evaluating the effects of linifanib on QTc intervals in patients with solid tumors.
Trial report in Cancer chemotherapy and pharmacology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
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Abstract
purposeLinifanib is a selective inhibitor of the vascular endothelial growth factor and platelet-derived growth factor family of tyrosine kinase inhibitors. The purpose of this high-precision QT study was to evaluate the effects of linifanib on cardiac repolarization in patients with advanced metastatic tumors.
methodsEnrolled patients (n = 24) had measurable disease refractory to standard therapies, ECOG performance status of 0-1, and adequate organ function. Patients were randomized in a 2-sequence, 2-period crossover design. Serial ECG measurements and pharmacokinetic samples were collected for each crossover period. An intersection-union test was performed for time-matched baseline-adjusted QTcF intervals. An exposure-response analysis was explored to correlate the plasma concentration and QTcF.
resultsThe maximum 95 % upper confidence bound for the baseline-adjusted QTcF was 4.3 ms at hour 3 at the maximum tolerated linifanib dose of 0.25 mg/kg. Linifanib did not meet the regulatory threshold (10 ms) for QT prolongation. Exposure-response modeling showed that the QTcF change was not significant at the maximum plasma concentration.
conclusionsLinifanib does not significantly affect cardiac repolarization in patients with advanced solid tumors.
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