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Scientists say slight inherited differences in the genes may help predict how mesothelioma patients will respond to chemotherapy.
Raleigh, NC (PRWEB) July 11, 2014
Cancer researchers in Slovenia say genetic variations called polymorphisms appear to have a significant impact on how patients respond to treatment with pemetrexed (Alimta), the most popular chemotherapy drug for mesothelioma. Surviving Mesothelioma has the full story. Click here to read the new post now.
Researchers at the University of Ljubljana and the Ljubljana Institute of Oncology tested mesothelioma patients on pemetrexed for different types of polymorphisms. They found that patients with genetic variations in the folate pathway or on certain transporter genes responded differently to pemetrexed than patients without these variations.
According to lead researcher Katja Goricar, a pharmacogeneticist with the Institute of Biochemistry at the University of Ljubljana, These polymorphisms could serve as potential markers of pemetrexed treatment outcome in patients with malignant pleural mesothelioma.
The study in Radiology and Oncology linked polymorphisms to longer or shorter survival, as well as liver and gastrointestinal toxicities.
Without biomarkers for guidance, chemotherapy can be very hit or miss in terms of its effectiveness, says Surviving Mesothelioma Managing Editor Alex Strauss. This research is encouraging news that mesothelioma treatment will continue to become more targeted and more effective.
For a better understanding of how genetic differences may effect drug response, see Genetic Variables Impact Mesothelioma Chemotherapy Response, available now on the Surviving Mesothelioma website.
Goricar, K, et al, Polymorphisms in folate pathway and pemetrexed treatment outcome in patients with malignant pleural mesothelioma, April 25, 2014, Radiology and Oncology, pp. 163-172, http://www.ncbi.nlm.nih.gov/pubmed/24991206
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