Scientists have developed a simple DNA blood test that can predict how well breast cancer patients will respond to treatment. The test analyses circulating tumour DNA in the blood and can indicate treatment success before therapy begins or after just four weeks. In a study of 167 patients with advanced breast cancer, low or undetectable DNA levels were strongly linked to better responses and longer periods before disease progression. The findings suggest doctors could avoid ineffective therapies, switch treatments earlier and personalise care. Researchers say the approach could improve outcomes and may also be applicable to early-stage breast cancer.
Blood test can predict most effective breast cancer treatment, study finds
Andrew Rogers
Andrew Rogers is a freelance journalist based in the USA, with over 10 years of experience covering Politics, World Affairs, Business, Health, Technology, Finance, Lifestyle, and Culture. He earned his degree in Journalism from the University of Florida. Throughout his career, he has contributed to outlets such as The New York Times, CNN, and Reuters. Known for his clear reporting and in-depth analysis, Andrew delivers accurate and timely news that keeps readers informed on both national and international developments.
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