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Lookup NU author(s): David Hamilton, Dr Daniel Lin
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© The Author(s) 2022. Published by Oxford University Press. All rights reserved. For permissions, please email: journals.permissions@oup.com.BACKGROUND: Transoral robotic surgery (TORS) is an emerging minimally invasive surgical treatment for residual, recurrent, and new primary head and neck cancers in previously irradiated fields, with limited evidence for its oncological effectiveness. METHODS: A retrospective observational cohort study of consecutive cases performed in 16 high-volume international centers before August 2018 was conducted (registered at clinicaltrials.gov [NCT04673929] as the RECUT study). Overall survival (OS), disease-free survival, disease-specific survivals (DSS), and local control (LC) were calculated using Kaplan-Meier estimates, with subgroups compared using log-rank tests and Cox proportional hazards modeling for multivariable analysis. Maximally selected rank statistics determined the cut point for closest surgical resection margin based on LC. RESULTS: Data for 278 eligible patients were analyzed, with median follow-up of 38.5 months. Two-year and 5-year outcomes were 69.0% and 62.2% for LC, 71.8% and 49.8% for OS, 47.2% and 35.7% for disease-free survival, and 78.7% and 59.1% for disease-specific survivals. The most discriminating margin cut point was 1.0 mm; the 2-year LC was 80.9% above and 54.2% below or equal to 1.0 mm. Increasing age, current smoking, primary tumor classification, and narrow surgical margins (≤1.0 mm) were statistically significantly associated with lower OS. Hemorrhage with return to theater was seen in 8.1% (n = 22 of 272), and 30-day mortality was 1.8% (n = 5 of 272). At 1 year, 10.8% (n = 21 of 195) used tracheostomies, 33.8% (n = 66 of 195) used gastrostomies, and 66.3% (n = 53 of 80) had maintained or improved normalcy of diet scores. CONCLUSIONS: Data from international centers show TORS to treat head and neck cancers in previously irradiated fields yields favorable outcomes for LC and survival. Where feasible, TORS should be considered the preferred surgical treatment in the salvage setting.
Author(s): Hardman JC, Holsinger FC, Brady GC, Beharry A, Bonifer AT, D'Andrea G, Dabas SK, de Almeida JR, Duvvuri U, Floros P, Ghanem TA, Gorphe P, Gross ND, Hamilton D, Kurukulasuriya C, Larsen MHH, Lin DJ, Magnuson JS, Meulemans J, Miles BA, Moore EJ, Pantvaidya G, Roof S, Rubek N, Simon C, Subash A, Topf MC, Van Abel KM, Vander Poorten V, Walgama ES, Greenlay E, Potts L, Balaji A, Starmer HM, Stephen S, Roe J, Harrington K, Paleri V
Publication type: Article
Publication status: Published
Journal: Journal of the National Cancer Institute
Year: 2022
Volume: 114
Issue: 10
Pages: 1400-1409
Print publication date: 01/10/2022
Online publication date: 10/08/2022
Acceptance date: 30/06/2022
ISSN (print): 0027-8874
ISSN (electronic): 1460-2105
Publisher: Oxford University Press
URL: https://doi.org/10.1093/jnci/djac130
DOI: 10.1093/jnci/djac130
PubMed id: 35944904
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