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- Title
Neoadjuvant immunotherapy plus chemotherapy for squamous cell carcinoma of the paranasal sinus: a case report.
- Authors
Sun, Ying; Yang, Guanghui; Sun, Ruijie; Cao, Fangli
- Abstract
Background: Immune checkpoint inhibitors (ICIs) such as pembrolizumab and nivolumab are recommended as first-line therapies for recurrent and metastatic head and neck squamous cell carcinoma (HNSCC). However, their efficacy in neoadjuvant therapy remains uncertain. Case presentation: We report the case of a 68-year-old male diagnosed with HNSCC who received neoadjuvant nivolumab (anti-PD-1 inhibitor) plus nab-paclitaxel and carboplatin. Biomarkerswere assessed by immunohistochemistry, and apoptosis-related molecules were analyzed via Western blotting. The patient achieved significant tumor regression and major pathological response (MPR) without severe adverse events. Post-treatment analyses revealed PD-L1 expression increased from 30% to 50% in tumor cells, CD8+ lymphocyte infiltration significantly improved, and Ki-67 expression was markedly reduced. Conclusions: This case highlights the potential of combining ICIs with chemotherapy in neoadjuvant settings for HNSCC, providing mechanistic insights and clinical evidence for this emerging approach. Further studies are needed to establish the optimal neoadjuvant treatment regimen and identify patient populations most likely to benefit.
- Subjects
IMMUNE checkpoint inhibitors; NEOADJUVANT chemotherapy; SQUAMOUS cell carcinoma; PARANASAL sinuses; IMMUNOTHERAPY
- Publication
Frontiers in Oncology, 2025, p1
- ISSN
2234-943X
- Publication type
Academic Journal
- DOI
10.3389/fonc.2024.1462993