AI-Based Blood Test Identified Colorectal Cancer
A new diagnostic tool has shown promise in detecting cancer and advanced adenomas using a simple blood sample.
Updated on Oct. 6, 2026 in Cancer
Live Poll
Would you prefer a blood test over a colonoscopy for routine colorectal cancer screening?
Researchers have developed an AI-based blood test that identifies protein and miRNA signatures to screen for colorectal cancer. The test, which was recently granted Breakthrough Device Designation by the US Food and Drug Administration, could offer a less invasive screening option for patients.
Why it matters
Current colorectal cancer screening methods often rely on invasive procedures, which can be a barrier to regular testing. This diagnostic advancement aims to provide a more accessible alternative for the population.
In a study of 3,569 participants, the test demonstrated 83.3% sensitivity for colorectal cancer and 65.6% sensitivity for advanced adenomas, with 87.2% specificity. These results were validated in a screening cohort of 2,856 patients using colonoscopy as the benchmark.
The players
US Food and Drug Administration
The federal agency responsible for protecting public health by ensuring the safety and efficacy of medical devices and drugs.
The details
The test functions by identifying a specific protein and miRNA signature present in plasma samples. An AI-derived predictive algorithm processes these markers to flag potential malignancy or precancerous growth. This approach achieved an 80.0% sensitivity specifically for colorectal cancer located in the proximal colon.
Timeline
The findings were published on October 6, 2026.
Health Landscape
This development represents a shift toward liquid biopsies in the oncological screening space. It sits within the broader research efforts tracked under clinical trial NCT06738511 to improve early detection markers.
While this test represents a significant development, it is not yet a standard clinical screening tool. Discuss your personal colorectal cancer screening options and eligibility with your physician.
The takeaway
This blood test utilizes AI to detect colorectal cancer with notable sensitivity for proximal colon lesions. Stay informed on your screening schedule and consult your physician about whether emerging diagnostic tests may become relevant for your health plan in the future.
Further reading
For more information on current diagnostic advancements, visit Cancer.
Source note: This article includes information reported by Ovid.
Live Poll
Would you prefer a blood test over a colonoscopy for routine colorectal cancer screening?
