The role of postoperative chemoradiation for oropharynx carcinoma: a critical appraisal of the published literature and National Comprehensive Cancer Network guidelines.

Abstract:

:The National Comprehensive Cancer Network (NCCN) describes the presence of extracapsular spread and/or positive margins in oropharynx cancer (OPC) as an indication for the addition of chemotherapy to postoperative radiation. The guideline's category 1 consensus is based on what they term high-level evidence. For this study, the authors performed a critical appraisal of the research upon which the NCCN guideline is based and assessed its relevance in the era of human papillomavirus (HPV)/p16-positive OPC. Multiple shortcomings were identified, including patient exclusion after randomization and the use of unplanned subgroup analyses without multivariate adjustment, which undermined internal validity. Indeterminate HPV/p16 status limited external validity. Given the unique biology of HPV/p16-positive tumors and the problems of internal and external validity, the authors concluded that the literature upon which the recommendation for the addition of chemotherapy to adjuvant radiation was based does not generate high-level evidence, and its relevance for the postoperative management of patients with HPV/p16-positive OPC remains unknown.

journal_name

Cancer

journal_title

Cancer

authors

Sinha P,Piccirillo JF,Kallogjeri D,Spitznagel EL,Haughey BH

doi

10.1002/cncr.29242

subject

Has Abstract

pub_date

2015-06-01 00:00:00

pages

1747-54

issue

11

eissn

0008-543X

issn

1097-0142

journal_volume

121

pub_type

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