Endoscopic grading systems for nasal polyps: are we comparing apples to oranges?*

Per Gisle Djupesland*, Sietze Reitsma, Claire Hopkins, Ahmad R. Sedaghat, Anju Peters, Wytske J. Fokkens

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

Endoscopic grading of nasal polyps (NP) is typically a coprimary endpoint in clinical trials evaluating treatments for chronic rhinosinusitis with nasal polyps (CRSwNP). However, a consensus on the most effective way to grade nasal polyps has not been reached. Different scales have been used, hampering the interpretation of data across trials. This review compares the characteristics of NP grading systems used in registration trials for approved NP treatments. These fundamental differences in grading systems make quantitative comparison of outcomes between trials inaccurate and potentially misleading. In lieu of a universal grading system, reporting the baseline distribution of polyp grades (unilateral and/or summed/total grades), as well as changes from baseline over time by baseline grade may help improve interpretability of outcomes and reduce inaccuracy when attempting cross-trial comparisons and making therapeutic decisions. cted.

Original languageEnglish (US)
Pages (from-to)169-176
Number of pages8
JournalRhinology
Volume60
Issue number3
DOIs
StatePublished - 2022

Keywords

  • nasal obstruction
  • nasal polyps
  • nose diseases
  • sinusitis

ASJC Scopus subject areas

  • Otorhinolaryngology

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