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Pancreatic cancer: Researchers find drug that reverses resistance to chemotherapy
Date:9/24/2009

r cells. In mice, we were able to reduce significantly the tumour volume, to prolong the mice survival, and to reduce the toxicity by combining the TAK-1 inhibitor with very low doses of a classic chemotherapeutic drug, gemcitabine, that would have been ineffective otherwise," said Dr Melisi.

The use of gemcitabine on its own against the cancer in mice was ineffective because of the drug resistant nature of the disease. However, once it was combined with the TAK-1 inhibitor, Dr Melisi and his colleagues saw a 78% reduction in tumour volumes. "The median average survival for the control, TAK-1 inhibitor, gemcitabine on its own, or TAK-1 inhibitor combined with gemcitabine was 68, 87, 82 and 122 days respectively," he said.

"This is the first time that TAK-1 has been indicated as a relevant target for the treatment of a solid tumour and that it is a valid approach to reverting the intrinsic drug resistance of pancreatic cancer. The TAK-1 inhibitor used in this study is an exciting drug that warrants further development for the treatment of pancreatic cancer. In the near future, we will study whether it is also able to make other chemotherapeutic agents, such as oxaliplatin, 5-FU or irinotecan, work against pancreatic cancer in mice.

"Our main goal is to translate this combination approach from the bench to the bedside, conducting a clinical trial that could demonstrate the safety of this TAK-1 inhibitor in combination with gemcitabine, and its efficacy, in pancreatic cancer patients."


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Contact: Emma Mason
wordmason@mac.com
ECCO-the European CanCer Organisation
Source:Eurekalert

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