MedicalResearch.com Interview with:
Nishant Agrawal M.D.
Associate Professor of Otolaryngology
Johns Hopkins University School of Medicine
Medical Research: What is the background for this study? What are the main findings?
Dr. Agrawal: The idea of the study really arose from the specificity of genetic changes that characterize and are the hallmark of cancer cells. Only cancer cells contain these mutations so their detection in bodily fluids was a reasonable expectation. The current study builds on previous work from our group that tumor DNA can be detected in the bodily fluids of patients with many different types of solid malignancies. The main findings of the study are that tumor DNA in saliva and plasma provides a non-invasive biomarker for head and neck cancer. The take home message is that tumor DNA has potential to be used as a biomarker for screening, early detection, monitoring during treatment, and surveillance after cancer treatment is completed.
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