نتایج جستجو برای: irinotecan
تعداد نتایج: 4284 فیلتر نتایج به سال:
The focus of this investigation was to modulate the pharmacokinetics of irinotecan and its metabolites, SN-38 and SN-38G, by possibly reducing biliary excretion, which in turn could lower irinotecan toxicity. We determined the effect of a known cholestatic agent, cyclosporin A (CsA), which is transported across the bile canalicular membrane by P-glycoprotein, on the biliary excretion of irinote...
Irinotecan (CTP-11) is a topoisomerase I inhibitor used in the treatment of colorectal cancer and non-small cell lung cancer (NSCLC). Despite an initial response to therapy, resistance to irinotecan reduces its efficacy. We isolated irinotecan-resistant human NSCLC A549 cells, termed A549/CTP-11R cells. A549/CTP-11R cells were resistant to irinotecan, as well as paclitaxel, gemcitabine and carb...
Despite recent advances in the treatment of colorectal cancer (CRC), tumor resistance is a frequent cause of chemotherapy failure. Therefore, new treatment options are needed to improve survival of patients with irinotecan-refractory CRCs, particularly those bearing KRAS mutations that preclude the use of anti-EGFR therapies. In this study, we investigated whether sorafenib could reverse irinot...
The locus of this investigation was to modulate the pharmacokinetics of irinotecan and its metabolites, SN-38 and SN-38G, by possibly reducing biliary excretion, which in turn could lower irinotecan toxicity. We de termined the effect of a known cholestatic agent, cyclosporin A (CsA), which is transported across the bile canalicular membrane by P-glycoprotein, on the biliary excretion of irinot...
PURPOSE Anaplastic thyroid carcinoma (ATC) remains one of the most lethal known human cancers. Targeted molecular therapy with cetuximab, a monoclonal antibody against epidermal growth factor receptor, offers new treatment potentials for patient with ATC. Cetuximab has also been reported to have synergistic effects when combined with irinotecan, a topoisomerase inhibitor. Therefore, we hypothes...
PURPOSE To determine whether adding cetuximab to irinotecan prolongs survival in patients with metastatic colorectal cancer (mCRC) previously treated with fluoropyrimidine and oxaliplatin. PATIENTS AND METHODS This multicenter, open-label, phase III study randomly assigned 1,298 patients with epidermal growth factor receptor-expressing mCRC who had experienced first-line fluoropyrimidine and ...
The induction of severe diarrhea limits the usefulness of the DNA topoisomerase I inhibitor irinotecan (CPT-11) in the treatment of advanced colon cancer. We investigated whether oral administration of the new synthetic bacterial lipopeptide, JBT 3002, encapsulated in phospholipid liposomes could prevent damage to the intestinal epithelium and lamina propria and thus allow for the parenteral ad...
BACKGROUND For patients with advanced gastric cancer (AGC), second-line chemotherapy regimen remains controversial. The efficacy and safety of irinotecan-containing doublet treatment and irinotecan monotherapy were compared in this systematic analysis. METHODS A search was conducted on EMBASE and Medline databases. All articles compared irinotecan-containing doublet to irinotecan as second-li...
Irinotecan has been used in the first-line treatment of metastatic colorectal cancer. However, no clear predictive marker of irinotecan efficacy has been identified. It is controversial whether the response to irinotecan could be predicted by the expression level of topoisomerase-I, a direct target of irinotecan. The present study aimed to identify a feasible predictive marker of irinotecan eff...
PURPOSE To determine the maximum tolerated dose of irinotecan when administrated with temozolomide every 28 days, in patients with recurrent malignant glioma who were also receiving CYP450 enzyme-inducing antiepileptic drugs (EIAED), and to characterize the pharmacokinetics of irinotecan and its metabolites. The study was also intended to assess whether temozolomide affects the conversion of ir...
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