Developments in Colorectal Cancer Screening: Cell-Free DNA Blood Testing
From GI Insights by ReachMD
April 30, 2026 · 11 min
About this episode
Dr. Peter Buch discusses the potential of cell-free DNA blood tests for colorectal cancer screening with Dr. William Grady.
Host: Peter Buch, MD, FACG, AGAF, FACP Guest: William Grady, MD While colorectal cancer is the second most common cause of cancer deaths, only a third of people between the ages of 45 and 75 are compliant with screening recommendations. However, cell-free DNA blood-based tests could become a new option for colorectal cancer screening. Dr. Peter Buch sits down with GI expert Dr. William Grady to discuss the efficacy of this new test and where it is in the FDA approval process.
People in this episode
Host: Peter Buch, MD, FACG, AGAF, FACP
Guest: William Grady, MD
Topics covered
- colorectal cancer
- screening
- cell-free DNA
- blood testing
- FDA approval
Keywords
- colorectal cancer
- screening recommendations
- cell-free DNA
- blood tests
- FDA approval
Mentioned in this episode
Organizations: FDA
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