Practice patterns and outcomes of chemoradiotherapy versus radiotherapy alone for older patients with nasopharyngeal cancer

Vivek Verma, Swati M. Surkar, Amy C. Moreno, Chi Lin, Charles B. Simone

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Older patients are at increased risk of toxicities from aggressive oncologic therapy and of nononcologic death. A meta-analysis of non-nasopharyngeal head and neck cancers showed no statistical benefit in adding chemotherapy to radiotherapy (RT) in older patients; another meta-analysis of RT versus chemoradiotherapy (CRT) in NPC found advantages to CRT, but vastly under-represented patients ≥70 years old. This is the largest study to date evaluating outcomes of CRT versus RT alone in this population. The National Cancer Data Base (NCDB) was queried for primary nasopharyngeal cancer cases (2004–2013) in patients ≥70 years old receiving RT alone or CRT. Patients with unknown RT/chemotherapy and T1N0 or M1 disease were excluded. Logistic regression analysis ascertained factors associated with CRT delivery. Kaplan–Meier analysis evaluated overall survival (OS) between both cohorts. Cox proportional hazards modeling determined variables associated with OS. In total, 930 patients were analyzed (n = 713 (77%) CRT, n = 217 (23%) RT). Groups were relatively balanced; CRT was less frequently delivered in patients with advancing age, lower nodal burden, and females (P < 0.05 for all). Median OS in the CRT and RT groups were 35.3 versus 20.0 months, respectively (P = 0.002). On multivariate analysis, independent predictors of OS included age, comorbidities, income and insurance status, tumor grade, and stage (P < 0.05 for all). Notably, receipt of chemotherapy independently predicted for improved OS (P = 0.036). CRT, compared to RT alone, was independently associated with improved survival in NPC patients ≥70 years old. CRT appears to be a promising approach in this population, but treatment-related toxicity risks should continue to be weighed against potential oncologic benefits.

Original languageEnglish (US)
Pages (from-to)1604-1611
Number of pages8
JournalCancer Medicine
Volume7
Issue number5
DOIs
StatePublished - May 1 2018

Fingerprint

Nasopharyngeal Neoplasms
Chemoradiotherapy
Radiotherapy
Survival
Drug Therapy
Meta-Analysis
Insurance Coverage
Head and Neck Neoplasms
Population
Comorbidity
Neoplasms
Multivariate Analysis
Logistic Models
Regression Analysis
Databases

Keywords

  • Chemotherapy
  • elderly
  • geriatric
  • nasopharyngeal cancer
  • nasopharynx
  • radiation therapy

ASJC Scopus subject areas

  • Oncology
  • Radiology Nuclear Medicine and imaging
  • Cancer Research

Cite this

Practice patterns and outcomes of chemoradiotherapy versus radiotherapy alone for older patients with nasopharyngeal cancer. / Verma, Vivek; Surkar, Swati M.; Moreno, Amy C.; Lin, Chi; Simone, Charles B.

In: Cancer Medicine, Vol. 7, No. 5, 01.05.2018, p. 1604-1611.

Research output: Contribution to journalArticle

Verma, Vivek ; Surkar, Swati M. ; Moreno, Amy C. ; Lin, Chi ; Simone, Charles B. / Practice patterns and outcomes of chemoradiotherapy versus radiotherapy alone for older patients with nasopharyngeal cancer. In: Cancer Medicine. 2018 ; Vol. 7, No. 5. pp. 1604-1611.
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