Genomic profiling of cell-free circulating tumor DNA in patients with colorectal cancer and its fidelity to the genomics of the tumor biopsy.
2019Journal of gastrointestinal oncology
Li G, Pavlick D, Chung JH, Bauer T, Tan BA +18 more
Plain English
In this study, researchers looked at blood samples from 96 patients with colorectal cancer to see if the genetic information they could find in the blood matched what they found in the patients' tumor tissue samples. They discovered that in 80% of cases, they detected tumor DNA in the blood, and when the tissue and blood samples were collected less than 30 days apart, the accuracy of matching the genetic information was perfect at 100%. This matters because it shows that blood tests can provide reliable insights into a patient's cancer, helping doctors tailor treatments when getting a tissue biopsy isn't possible.
Who this helps: This helps patients with colorectal cancer, especially those who cannot undergo a tissue biopsy.