Choice of Adjuvant Radiotherapy Facility in Major Salivary Gland Cancer

Author:

Patel Aman M.1ORCID,Haleem Afash1ORCID,Maxwell Russell2,Lukens John N.2,Lin Alexander2,Brody Robert M.34ORCID,Brant Jason A.34ORCID,Carey Ryan M.34ORCID

Affiliation:

1. Department of Otolaryngology Rutgers New Jersey Medical School Newark New Jersey U.S.A.

2. Department of Radiation Oncology University of Pennsylvania Philadelphia Pennsylvania U.S.A.

3. Department of Otorhinolaryngology–Head and Neck Surgery University of Pennsylvania Philadelphia Pennsylvania U.S.A.

4. Department of Otolaryngology Corporal Michael J. Crescenz Veterans Affairs Medical Center Philadelphia Pennsylvania U.S.A.

Abstract

ObjectiveUndergoing surgery and adjuvant radiotherapy (aRT) at the same facility has been associated with higher overall survival (OS) in head and neck squamous cell carcinoma. Our study investigates whether undergoing surgery and aRT at the same academic facility is associated with higher OS in major salivary gland cancer (MSGC).MethodsThe 2006–2018 National Cancer Database was queried for patients with MSGC undergoing surgery at an academic facility and then aRT. Multivariable binary logistic and Cox proportional hazards regression models were implemented.ResultsOf 2801 patients satisfying inclusion criteria, 2130 (76.0%) underwent surgery and aRT at the same academic facility. Residence in a less populated area (adjusted odds ratio [aOR] 1.69, 95% confidence interval [CI] 1.16–2.45), treatment without adjuvant chemotherapy (aOR 1.97, 95% CI 1.41–2.76), and aRT duration (aOR 1.02, 95% CI 1.01–1.04) were associated with undergoing surgery and aRT at different facilities on multivariable logistic regression adjusting for patient demographics, clinicopathologic features, and adjuvant therapy (p < 0.01). Five‐year OS was higher in patients undergoing surgery and aRT at the same academic facility (68.8% vs. 61.9%, p < 0.001). Undergoing surgery and aRT at different facilities remained associated with worse OS on multivariable Cox regression (aHR 1.41, 95% CI 1.10–1.81, p = 0.007).ConclusionUndergoing surgery and aRT at the same academic facility is associated with higher OS in MSGC. Although undergoing surgery and aRT at the same academic facility is impractical for all patients, academic physicians should consider same‐facility treatment for complex patients who would most benefit from clear multidisciplinary communication.Level of Evidence4 Laryngoscope, 134:3620–3632, 2024

Publisher

Wiley

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