Biobizkaia Health Research Institute
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Coordinator of Colorectal and prenatal cancer screening at the Basque Health Service-Osakidetza, researcher in the Cancer Biomarkers group at the Biobizkaia Health Research Institute and secretary of the Board of Directors of the Spanish Society of Epidemiology
Two studies published in the New England Journal of Medicine evaluate colorectal cancer screening tests that could be alternatives to the existing faecal immunochemical test (FIT), which detects occult blood in stool. The first study uses a new generation test that detects DNA in stool and has a higher sensitivity than FIT, 93.9% for colorectal cancer and 90.6% for advanced neoplasia (tumour formation). The second uses a blood-based DNA detection test with a sensitivity of 83% for colorectal cancer and 90% for advanced neoplasia.