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dc.contributor.authorTsao, Simon Chang-Hao-
dc.contributor.authorWeiss, Jonathan-
dc.contributor.authorHudson, Christopher-
dc.contributor.authorChristophi, Christopher-
dc.contributor.authorCebon, Jonathan S-
dc.contributor.authorBehren, Andreas-
dc.contributor.authorDobrovic, Alexander-
dc.identifier.citationScientific Reports 2015; 5: 11198-
dc.description.abstractWe assessed the utility of droplet digital PCR (ddPCR) to evaluate the potential of using circulating tumour DNA (ctDNA) as a post therapy monitoring tool in melanoma by comparing it to serum LDH levels and RECIST scores. ddPCR was shown to be reliable in distinguishing mutant from wild type alleles with no false positives. Subsequently, we quantified ctDNA ((V600E)BRAF,(V600K)BRAF or (Q61H)NRAS) in 6 stage IV melanoma patients across several time points during their treatment course. All tested patients had detectable ctDNA, which exhibited dynamic changes corresponding to the changes in their disease status. The ctDNA levels fell upon treatment response and rose with detectable disease progression. In our group of patients, ctDNA was more consistent and informative than LDH as a blood-based biomarker. In addition, BRAF mutant ctDNA as detected by ddPCR could be used diagnostically where the tumour block was unavailable. In conclusion, this study demonstrates the applicability of using ddPCR to detect and quantify ctDNA in the plasma of melanoma patients.-
dc.titleMonitoring response to therapy in melanoma by quantifying circulating tumour DNA with droplet digital PCR for BRAF and NRAS mutations.-
dc.typeJournal Article-
dc.identifier.journaltitleScientific Reports-
dc.identifier.affiliationOlivia Newton-John Cancer Research Institute, Heidelberg, Victoria, Australia-
dc.identifier.affiliationDepartment of Surgery, Austin Health, The University of Melbourne, Heidelberg, Victoria, Australia-
dc.identifier.affiliationDepartment of Pathology, University of Melbourne, Parkville, Victoria, Australia-
dc.identifier.affiliationSchool of Cancer Medicine, La Trobe University, Melbourne, Victoria, Australia-
dc.type.austinJournal Article-
dc.type.austinResearch Support, Non-U.S. Gov't-, Jonathan S
item.openairetypeJournal Article-
item.fulltextNo Fulltext-
item.languageiso639-1en- Surgery- Newton-John Cancer Research Institute- Newton-John Cancer Research Institute- (University of Melbourne)-
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