Detecting Early Local Relapse of Colorectal Cancer
Author Information
Author(s): L.G. Durrant, H. Jones, N.C. Armitage, R.W. Baldwin
Primary Institution: University of Nottingham
Hypothesis
Can the Y haptenic blood group determinant be used to detect early local relapse of colorectal cancer?
Conclusion
The study found that recognizing antigens bearing the Y hapten may help detect early local relapse of colorectal cancer.
Supporting Evidence
- 67% of patients with local or abdominal recurrent disease secreted antigens expressing the Y hapten.
- 30% of patients with overt hepatic metastases secreted a similar antigen.
- 34% of colorectal cancer patients with extensive disease secreted an antigen recognized by two C14 molecules.
Takeaway
This study created a test to find a specific marker in the blood that can show if colorectal cancer is coming back early, which could help doctors treat it better.
Methodology
An enzyme-linked immunosorbent assay (ELISA) was developed to measure serum levels of Y haptenic antigens in patients with colorectal cancer.
Limitations
The sensitivity of the test for detecting recurrent disease is lower compared to carcinoembryonic antigen (CEA) tests.
Participant Demographics
55 patients with extensive colorectal carcinomas, including those with liver metastases and recurrent disease.
Statistical Information
P-Value
0.05
Statistical Significance
p<0.05
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