liquid biopsy using blood test is latest weapon against cancer

`Liquid biopsy using blood test is latest weapon against cancer `Liquid biopsy using blood test is latest weapon against cancer Brought to you by The Nurses and attendants staff we provide for your.`Liquid biopsy using blood test is latest weapon against cancer `Liquid biopsy using blood test is latest weapon against cancer Brought to you by The Nurses and attendants staff we provide for your.

`Liquid biopsy' using blood test is latest

weapon against cancer

In the usual cancer biopsy ,a surgeon cuts out a piece of the patient's tumor, but researchers in US labs are now testing a potentially transformative innovation They call it the liquid biopsy, and it is a blood test that has only recently become feasible with the latest techniques It is showing promise in finding tiny snippets of cancer DNA in a patient's blood

The hope is that a simple blood draw -far less onerous for patients than a traditional biopsy or a CT scan -will en able oncologists to figure out if a treatment is working and to continue monitoring the treatment in case the cancer develops resistance Failing treatments could be abandoned quickly “This could change the way we follow up response to treatments, and down the line could even be used for really early diagnosis,“ said Dr Jose Baselga of Memorial Sloan Kettering Cancer Center NYT NEWS SERVICE Researchers caution that more evaluations of the liquid biopsy's accuracy and reliability are needed

So far, there have been only small studies in particular cancers, including lung, colon and blood cancer.But early results are encouraging A National Cancer Institute study published in The Lancet Oncology , involving 126 patients with the most common form of lymphoma, found the test predicted recurrences more than three months before they were noticeable on

CT scans The testalso identified patients unlikely to respond to therapy

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Oncologists who are not using the new test say they are looking on with fascination “Our lab doesn't do it, but we are very interested,“ said Dr Levi Garraway of the DanaFarber Cancer Institute

Mary Susan Sabini, a teacher from Gardiner, NY, has lung cancer that resisted two attempts at chemotherapy and a round

of radiation Her doctors at Sloan Kettering saw cancer DNA in her blood when she began taking an experimental drug in October Four days later, the cancer DNA shards had vanished, a sign, doctors hoped, that the treatment was working But they dared not tell her the good tidings The blood test was so new that they were afraid to rely on it Within weeks, Sabini began to breathe easier Months later, she had a CT scan, an X-ray test that uses a computer to assemble detailed images of slices of tumor tissue It confirmed her tumours were shrinking The idea for the test grew out of a discovery made years ago about fetuses They shed little pieces of DNA into the bloodstreams of mothers-to-be It turned out that all growing cells, including tumours, shed tiny DNA fragments

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