Scientists have developed a DNA blood test that can predict how well breast cancer patients will respond to treatment, even before therapy begins. The test analyses circulating tumour DNA released into the bloodstream by cancer cells. In a study of 167 patients with advanced breast cancer, low levels of this DNA were strongly linked to better treatment response and longer disease control. Results taken after just four weeks of treatment were also highly predictive of outcomes. Researchers say the test could help doctors avoid ineffective therapies, switch treatments earlier and personalise care, potentially improving survival and quality of life.
Simple blood test could predict most effective breast cancer treatment
Andrew Rogers
Andrew Rogers is a freelance journalist based in Chicago, USA, with over 10 years of experience covering Politics, World Affairs, Business, Health, Technology, Finance, Lifestyle, and Culture. He graduated with a degree in Journalism from the University of Florida. Over the years, he has contributed to leading outlets such as The New York Times, CNN, and Reuters. Recognized for his sharp reporting and thoughtful analysis, Andrew delivers accurate and timely news that keeps readers updated on key national and global developments.
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