• Ching-Heng Yen, Sheng-Yow Ho, Sung-Wei Lee, Chia-Chun Chen, and Li-Tsun Shieh.
• Department of Radiation Oncology, Chi Mei Medical Center, Liouying, Tainan, Taiwan.
• Medicine (Baltimore). 2022 Dec 2; 101 (48): e31987e31987.

AbstractConcurrent chemoradiotherapy (CCRT) has been the standard of care for locally advanced diseases regardless of human papillomavirus infection status. Other treatment options include surgery followed by adjuvant therapy and induction chemotherapy followed by CCRT or radiotherapy. However, for locally advanced T4 laryngeal or hypopharyngeal diseases, surgery is preferred over CCRT. Given the improvement in the functional outcomes of surgery, examining the oncologic outcomes in OPSCC patients is critical. This study aimed to determine whether differences in overall survival (OS) exist between surgery and CCRT. Oropharyngeal cancer patients included in the cancer registry of our hospital from January 2014 to December 2018 were retrospectively analyzed. Patients with T4 disease who underwent curative treatment were identified. In this study, the primary and secondary outcomes were OS and disease-free survival (DFS), respectively. Potential confounding factors were also evaluated. Details regarding recurrence pattern were listed. From 2014 to 2018, 74 newly diagnosed oropharyngeal cancer patients were identified from our cancer registry database, 60 of whom satisfied our inclusion criteria. Our findings showed an OS of 25.5 months and DFS of 17.5 months. No significant difference in both of OS and DFS were observed between the surgery and CCRT cohorts. Sex, stage, second primary cancer, IC, and primary treatment were not correlated with DFS. Male sex was the only significant factor identified, with an HR of 0.2 for OS (95% confidence interval, 0.06-0.71). No significant difference in both OS and DFS were observed between the CCRT and surgery cohorts. CCRT remains the standard of care for locally advanced disease.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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