Prognostic capacity of Systemic Inflammation Response Index (SIRI) in patients with head and neck squamous cell carcinoma
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Updated: Jan 3, 2026

Therapy Testing in a Spheroid-based 3D Cell Culture Model for Head and Neck Squamous Cell Carcinoma
Published on: April 20, 2018
Cristina Valero1, Laura Pardo1, Aina Sansa1
1Otorhinolaryngology Department, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain.
Background:
Inflammation and immune evasion are associated with carcinogenesis. Systemic Inflammation Response Index (SIRI) has been proposed as a pretreatment peripheral blood biomarker. The aim of this study is to analyze its prognostic capacity in head and neck squamous cell carcinomas (HNSCC).
Methods:
We performed a retrospective study in 824 patients with HNSCC. SIRI was calculated by neutrophils*monocytes/lymphocytes. Using a recursive-partitioning analysis considering disease-specific survival (DSS) as dependent variable, three categories were defined according to SIRI value.
Results:
Males, patients with history of toxic consumption, oropharyngeal or hypopharyngeal tumors, and advanced tumors had a significantly higher SIRI value. As SIRI increased, a significant decrease in DSS was observed. In a multivariable analysis, SIRI was an independent predictor of DSS. Moreover, SIRI was a significant predictor of local, regional, and distant recurrence-free survival.
Conclusions:
SIRI has independent prognostic capacity in HNSCC. Patients with higher SIRI have a significant decrease in DSS.
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