Becker's Healthcare September 26, 2024
The FDA on July 29 approved a screening test for colorectal cancer that requires only a blood sample.
Here are five things to know:
What is it?
Created by Guardant Health, the blood test, known as Shield, was able to detect 83% of colorectal cancers in studies but only 13% of dangerous polyps. Colonoscopies find approximately 95% of these polyps.
Shield is approved for patients 45 and older who are at average risk for colon cancer. Experts say the hope is that, despite detection limitations, the less invasive blood test will encourage more Americans to get screened. The test also showed a 10% false positive rate in studies.
How do gastroenterologists view it?
Many GI leaders are...
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