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CA 15-3: a prognostic marker in breast cancer
M J Duffy1, S Shering, F Sherry
1Department of Nuclear Medicine, St Vincent's University Hospital, Dublin, Ireland. mjduffy@svherc.ucd.ie
The International Journal of Biological Markers
|February 24, 2001
Summary
High levels of CA 15-3 (MUC1) serum marker indicate a worse prognosis in breast cancer patients. This breast cancer marker
Area of Science:
- Oncology
- Biochemistry
Background:
- CA 15-3, also known as MUC1, is a serum marker frequently overexpressed in cancer.
- MUC1 is a transmembrane glycoprotein implicated in cell adhesion and metastasis.
Purpose of the Study:
- To evaluate CA 15-3 as an independent prognostic marker in breast cancer.
- To assess the prognostic impact of preoperative CA 15-3 levels on patient outcomes.
Main Methods:
- Prospective study involving 368 breast cancer patients.
- Analysis of preoperative CA 15-3 serum levels.
- Multivariate analysis comparing CA 15-3 with tumor size and nodal status.
Main Results:
- Patients with high preoperative CA 15-3 levels (>30.4 U/mL) exhibited a worse outcome.
- CA 15-3 demonstrated independence from tumor size and nodal status in multivariate analysis.
- The prognostic impact of CA 15-3 was stronger than tumor size and comparable to nodal status.
Conclusions:
- CA 15-3 may serve as an independent prognostic serum marker for breast cancer.
- Elevated CA 15-3 levels are associated with poorer patient outcomes.
- This marker holds potential for improved breast cancer prognostication.