Plasma sICAM-1 correlates with tumor volume before primary radiochemotherapy of head and neck squamous cell carcinoma patients

Author:

Clasen Kerstin1,Welz Stefan2,Faltin Heidrun3,Zips Daniel14,Eckert Franziska1345

Affiliation:

1. Department of Radiation Oncology, Medical Faculty and University Hospital, Eberhard Karls University , Tuebingen , Germany

2. Department of Radiation Oncology, Marienhospital Stuttgart , Stuttgart , Germany

3. Section for Experimental Radiation Oncology, Department of Radiation Oncology, Medical Faculty and University Hospital, Eberhard Karls University , Tuebingen , Germany

4. German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ) partner site Tuebingen , Tuebingen , Germany

5. Department of Radiation Oncology, Medical University Vienna, AKH, Comprehensive Cancer Center , Vienna , Austria

Abstract

Abstract Background Biomarkers are of major interest to optimize diagnosis, prognosis and to guide treatment in head and neck cancer patients. Especially blood-based biomarkers appear promising as they can be easily collected and repeatedly analyzed during the course of radiochemotherapy. Patients and methods At first, for a broad overview, multiple immune markers were evaluated in six plasma samples of three head and neck squamous cell carcinoma (HNSCC) patients at the beginning and the end of radio-chemotherapy. In this pre-selection, the soluble Intercellular Adhesion Molecule 1 (sICAM-1) appeared most promising. Thus, this marker was measured in multiple samples (n = 86) during treatment and follow-up in a cohort of eleven patients and correlated with tumor features and clinical data. Results We found a strong correlation between the initial levels of sICAM-1 in the plasma and the gross tumor volumes of the primary tumor and the involved lymph nodes. However, during the course of treatment no systematic dynamics could be identified. Toxicity or infections did not seem to influence sICAM-1 concentrations. Conclusions sICAM-1 appears to reflect the pre-treatment total tumor burden (primary tumor and involved lymph nodes) in head and neck tumor patients. However, it does not seem to be a dynamic marker reflecting response during radiochemotherapy. Thus, if our findings are confirmed in future, sICAM-1 could be used as a staging marker: if high sICAM-1 levels but low tumor burden are found it might be reasonable to intensify staging investigations to rule out further, yet undetected, tumor sites.

Publisher

Walter de Gruyter GmbH

Subject

Radiology, Nuclear Medicine and imaging,Oncology

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