Researchers at Johns Hopkins University have found that cancer can be detected in the bloodstream up to three years before an official diagnosis. This breakthrough, published in Cancer Discovery, highlights the possibility of new screening methods based on genetic material from tumors. Early detection could greatly enhance treatment options and improve survival rates. However, there are challenges ahead in translating positive test results into effective treatment strategies. The study analyzed plasma samples and demonstrated the effectiveness of multicancer early detection (MCED) tests in identifying early signs of cancer.
The tumors are likely to be much less advanced and more likely to be curable.
This study shows the promise of MCED tests in detecting cancers very early, and sets the benchmark sensitivities required for their success.
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