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Int J Colorectal Dis. 2019 Feb;34(2):309-317. doi: 10.1007/s00384-018-3198-0. Epub 2018 Nov 23.

Soluble intercellular adhesion molecule-1 is a prognostic marker in colorectal carcinoma.

Author information

1
Department of Surgery, University Medical Center Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Krankenhausstr. 12, 91054, Erlangen, Germany. vera.schellerer@uk-erlangen.de.
2
Department of Surgery, University Medical Center Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Krankenhausstr. 12, 91054, Erlangen, Germany.
3
Division of Molecular and Experimental Surgery, Department of Surgery, University Medical Center Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany.
4
Department of Medical Informatics, Biometry and Epidemiology, Friedrich-Alexander- University of Erlangen-Nürnberg, Erlangen, Germany.

Abstract

PURPOSE:

Serological tumor markers are routinely used to monitor tumor onset and progression. In colorectal carcinoma (CRC), the carcinoembryonic antigen (CEA) is roughly elevated in 50% of patients at initial diagnosis. Soluble ICAM-1 (sICAM-1) is elevated in different cancers. The aim of this study was to evaluate the prognostic relevance of sICAM-1 combined with CEA in patients with CRC.

METHODS:

In blood samples of 297 CRC patients, sICAM-1 was determined by ELISA and CEA by microparticle enzyme immunoassay the day before oncologic resection. Separation in patients with sICAM-1high and sICAM-1low was performed by minimum p value approach; separation in CEA normal and elevated was performed according to the established diagnostic cutoff. Clinical data were obtained from the prospective collected data from the Erlangen Registry for Colorectal Carcinomas.

RESULTS:

Cancer-related 5-year survival rate of patients with sICAM-1low (< 290 ng/ml, n = 208) was significantly increased (83.4%) as compared to that of patients with sICAM-1high (≥ 290 ng/ml, n = 89) (66.2%; p < 0.001). Patients with normal CEA concentrations (n = 199; 90.8%) showed a significantly (p < 0.001) improved cancer-related 5-year survival rate compared to patients with elevated CEA concentrations (n = 98; 52.1%). Moreover, high sICAM-1 was an independent risk factor (hazard ratio 1.6) in multivariate analysis. Of note, increased sICAM-1 levels, either within normal or within elevated CEA, allowed to identify high-risk subgroups, both for overall (p < 0.001) and cancer-related survival (p < 0.001).

CONCLUSION:

Application of a novel risk score combining CEA/sICAM-1 serum concentrations allows the identification of high-risk groups for poor survival in CRC patients.

KEYWORDS:

CEA; Colorectal carcinoma; Survival; sICAM-1

PMID:
30470940
PMCID:
PMC6331741
DOI:
10.1007/s00384-018-3198-0
[Indexed for MEDLINE]
Free PMC Article

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