Head & neck · 2024
Outcomes for potentially Resectable patients undergoing primary chemoradiation treatment for T1-T2 HPV Negative oropharyngeal squamous cell carcinoma.
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Laxague Francisco, Fnais Naif, Son Hee Young, Alzahrani Faisal, Mymryk Joe S, Barrett John W, Tay Keng Yow, Leung Andrew, Theurer Julie, Nichols Anthony C, Palma David A
Аннотация
BACKGROUND: Transoral surgical resectability (TOS) is a prognostic factor for patients with HPV+ T1-2 oropharyngeal squamous cell carcinoma (OPSCC) disease undergoing radiotherapy (RT), but it is unclear whether this holds for HPV-negative (HPV-) patients. We aimed to compare outcomes of potential TOS-candidates vs. non-TOS candidates, among patients who underwent RT/CRT for early T-stage HPV- OPSCC.
METHODS: For patients treated with RT/CRT for early T-stage HPV-negative OPSCC between 2014 and 2021, pretreatment imaging was reviewed by four head-and-neck surgeons, masked to clinical outcomes, to assess primary-site suitability for TOS. Extracapsular extension (ECE) was assessed by a head-and-neck neuroradiologist. We compared outcomes based on surgical resectability relating to: (1) the primary site tumor alone, and (2) the primary site plus the absence/presence of ECE (overall assessment). Kaplan-Meier curves for overall survival (OS), disease-specific survival (DSS), and progression-free survival (PFS) were compared using the log-rank test.
RESULTS: Seventy patients were included in the analysis. The primary site was TOS-favorable in 46/70 (66%). Based on the overall assessment, 41/70 (58.6%) were TOS-favorable. The 3-year OS, DSS and PFS for primary site TOS-favorable versus unfavorable were OS: 76.9% versus 37.4%; DSS: 78.1% versus 46.2%, PFS: 69.9% versus 41.3%, (log-rank test = 0.01, 0.03, 0.04; respectively). Additionally, patients with an overall assessment of TOS favorability demonstrated better survival outcomes compared with TOS-unfavorable patients (OS: 77.3% vs. 46.2%; DSS: 78.2% vs. 56.5%, PFS: 72.3% vs. 42.1%, log-rank test = 0.01, 0.04, 0.01; respectively).
CONCLUSION: Patients with TOS-favorable HPV-negative early T-stage OPSCC have superior survival outcomes than TOS-unfavorable patients.
METHODS: For patients treated with RT/CRT for early T-stage HPV-negative OPSCC between 2014 and 2021, pretreatment imaging was reviewed by four head-and-neck surgeons, masked to clinical outcomes, to assess primary-site suitability for TOS. Extracapsular extension (ECE) was assessed by a head-and-neck neuroradiologist. We compared outcomes based on surgical resectability relating to: (1) the primary site tumor alone, and (2) the primary site plus the absence/presence of ECE (overall assessment). Kaplan-Meier curves for overall survival (OS), disease-specific survival (DSS), and progression-free survival (PFS) were compared using the log-rank test.
RESULTS: Seventy patients were included in the analysis. The primary site was TOS-favorable in 46/70 (66%). Based on the overall assessment, 41/70 (58.6%) were TOS-favorable. The 3-year OS, DSS and PFS for primary site TOS-favorable versus unfavorable were OS: 76.9% versus 37.4%; DSS: 78.1% versus 46.2%, PFS: 69.9% versus 41.3%, (log-rank test = 0.01, 0.03, 0.04; respectively). Additionally, patients with an overall assessment of TOS favorability demonstrated better survival outcomes compared with TOS-unfavorable patients (OS: 77.3% vs. 46.2%; DSS: 78.2% vs. 56.5%, PFS: 72.3% vs. 42.1%, log-rank test = 0.01, 0.04, 0.01; respectively).
CONCLUSION: Patients with TOS-favorable HPV-negative early T-stage OPSCC have superior survival outcomes than TOS-unfavorable patients.