Development and external validation of nomograms in oropharyngeal cancer patients with known HPV-DNA status: a European Multicentre Study (OroGrams)

Christian Grønhøj, David H. Jensen, Christian Dehlendorff, Linda Marklund, Steffen Wagner, Hisham Mehanna, Eva Munck-Wikland, Torbjörn Ramqvist, Anders Näsman, Claus Wittekindt, Nora Würdemann, Shachi Jenny Sharma, Stefan Gattenlöhner, Katalin Kiss, Elo Andersen, Rachel Spruce, Nikolaos Batis, Max Robinson, Kevin Harrington, Stuart WinterTerence M. Jones, Jens Peter Klussmann, Tina Dalianis, Jeppe Friborg, Christian von Buchwald*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)
174 Downloads (Pure)

Abstract

Background: The proxy marker for human papillomavirus (HPV), p16, is included in the new AJCC 8th/UICC 8th staging system, but due to incongruence between p16 status and HPV infection, single biomarker evaluation could lead to misallocation of patients. We established nomograms for overall survival (OS) and progression-free survival (PFS) in patients with oropharyngeal squamous cell carcinoma (OPSCC) and known HPV-DNA and p16 status, and validated the models in cohorts from high- and low-prevalent HPV countries. Methods: Consecutive OPSCC patients treated in Denmark, 2000–2014 formed the development cohort. The validation cohorts were from Sweden, Germany, and the United Kingdom. We developed nomograms by applying a backward-selection procedure for selection of variables, and assessed model performance. Results: In the development cohort, 1313 patients, and in the validation cohorts, 344 German, 503 Swedish and 463 British patients were included. For the OS nomogram, age, gender, combined HPV-DNA and p16 status, smoking, T-, N-, and M-status and UICC-8 staging were selected, and for the PFS nomogram the same variables except UICC-8 staging. The nomograms performed well in discrimination and calibration. Conclusions: Our nomograms are reliable prognostic methods in patients with OPSCC. Combining HPV DNA and p16 is essential for correct prognostication. The nomograms are available at www.orograms.org.

Original languageEnglish
Pages (from-to)1672-1681
JournalBritish Journal of Cancer
Volume118
DOIs
Publication statusPublished - 24 May 2018

Keywords

  • Epidemiology
  • Head and neck cancer

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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