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Gemcitabine and Oxaliplatin, but Not Sorafenib or Paclitaxel, Have a Synergistic Effect with Yttrium-90 in Reducing Hepatocellular Carcinoma and Cholangiocarcinoma Cell Line Viability.

Abstract : Synergy between yttrium-90 ((90)Y) and antineoplastic drugs was investigated. Viability of HepaRG (hepatocellular carcinoma) and HuCCT1 (cholangiocarcinoma) cells was studied through a tetrazolium dye reduction assay. A combination index (CI) was calculated, with CI \textless 1 denoting synergy and CI \textgreater 1 denoting antagonism. In HepaRG cells, gemcitabine showed synergy with (90)Y (CI = 0.70 [95% confidence interval = 0.65-0.75]), whereas oxaliplatin (CI = 1.15 [1.08-1.21]), paclitaxel (CI = 1.26 [1.15-1.37]), and sorafenib (CI = 1.77 [1.65-1.89]) showed antagonism. In HuCCT1 cells, gemcitabine (CI = 0.54 [0.50-0.58]) and oxaliplatin (CI = 0.86 [0.82-0.90]) showed synergy with (90)Y, whereas paclitaxel (CI = 1.18 [1.09-1.27]) and sorafenib (CI = 1.21 [1.12-1.30]) showed antagonism. These results suggest that gemcitabine and oxaliplatin should be tested in combination with (90)Y radioembolization for treatment of liver cancer.
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Submitted on : Tuesday, May 31, 2016 - 9:27:39 AM
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Julien Edeline, Cédric Coulouarn, Laurence Crouzet, Marc Pracht, Nicolas Lepareur, et al.. Gemcitabine and Oxaliplatin, but Not Sorafenib or Paclitaxel, Have a Synergistic Effect with Yttrium-90 in Reducing Hepatocellular Carcinoma and Cholangiocarcinoma Cell Line Viability.. JVIR: Journal of Vascular and Interventional Radiology, Elsevier, 2015, 26 (12), pp.1874--1878.e2. ⟨10.1016/j.jvir.2015.06.032⟩. ⟨hal-01237102⟩

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