Combined Tumor Infiltrating Lymphocytes and PD-L1 Status in Recurrent/Metastatic Head and Neck Squamous Cell Carcinoma.

IF 2.3 3区医学 Q1 OTORHINOLARYNGOLOGY Head and Neck-Journal for the Sciences and Specialties of the Head and Neck Pub Date : 2025-03-05 DOI:10.1002/hed.28128

Catherine T Haring, Joshua D Smith, Sarah M Dermody, Jonathan B McHugh, William R Perry, Collin Brummel, Matthew E Spector, J Chad Brenner, Paul L Swiecicki

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引用次数: 0

Abstract

Objectives: To determine if the assessment of CD8+ tumor-infiltrating lymphocytes (TILs) adds prognostic information to the PD-L1 combined positive score (CPS) in recurrent/metastatic (R/M) head and neck squamous cell carcinoma (HNSCC).

Methods: A retrospective case series was performed of 77 patients with R/M HNSCC between 2003 and 2019. From pre-treatment biopsies, CD8+ TILs and PD-L1 CPS were quantified on a tissue microarray. Associations of biomarkers with overall survival and immune checkpoint inhibition (ICI) response were assessed.

Results: Neither CD8+ TIL counts nor PD-L1 CPS alone were associated with overall survival; however, combined high TILs and CPS ≥ 1 were associated with improved survival compared to low TILS and CPS < 1 (18.5 vs. 10.0 months, p = 0.058). For patients treated with ICI (n = 28), PD-L1 CPS predicted ICI response more strongly than CD8+ TILs.

Conclusions: In R/M HNSCC, the combination of PD-L1 CPS and CD8+ TILs is a stronger prognostic biomarker for overall survival compared with either biomarker alone.

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来源期刊

Head and Neck-Journal for the Sciences and Specialties of the Head and Neck 医学-耳鼻喉科学

CiteScore

7.00

自引率

6.90%

发文量

278

审稿时长

1.6 months

期刊介绍： Head & Neck is an international multidisciplinary publication of original contributions concerning the diagnosis and management of diseases of the head and neck. This area involves the overlapping interests and expertise of several surgical and medical specialties, including general surgery, neurosurgery, otolaryngology, plastic surgery, oral surgery, dermatology, ophthalmology, pathology, radiotherapy, medical oncology, and the corresponding basic sciences.