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Immune checkpoint inhibitor-related colitis assessment and prognosis: can IBD scoring point the way?

  • Vincent Ting Fung Cheung
  • , Tarun Gupta
  • , Anna Olsson-Brown
  • , Sreedhar Subramanian
  • , Sarah Christina Sasson
  • , Jonathan Heseltine
  • , Eve Fryer
  • , Elena Collantes
  • , Joseph J Sacco
  • , Munir Pirmohamed
  • , Alison Simmons
  • , Paul Klenerman
  • , Mark Tuthill
  • , Andrew S Protheroe
  • , Meenali Chitnis
  • , Benjamin Peter Fairfax
  • , Miranda Jane Payne
  • , Mark Ross Middleton
  • , Oliver Brain
  • University of Oxford
  • Royal Liverpool University Hospital NHS Trust
  • Clatterbridge Cancer Centre NHS Foundation Trust
  • University of Liverpool
  • Oxford University Hospitals NHS Foundation Trust

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: Immune checkpoint inhibitors (ICI) improve survival but cause immune-related adverse events (irAE). We sought to determine if CTCAE classification, IBD biomarkers/endoscopic/histological scores correlate with irAE colitis outcomes.

METHODS: A dual-centre retrospective study was performed on patients receiving ICI for melanoma, NSCLC or urothelial cancer from 2012 to 2018. Demographics, clinical data, endoscopies (reanalysed using Mayo/Ulcerative Colitis Endoscopic Index of Severity (UCEIS) scores), histology (scored with Nancy Index) and treatment outcomes were analysed.

RESULTS: In all, 1074 patients were analysed. Twelve percent (134) developed irAE colitis. Median patient age was 66, 59% were male. CTCAE diarrhoea grade does not correlate with steroid/ infliximab use. G3/4 colitis patients are more likely to need infliximab (p < 0.0001) but colitis grade does not correlate with steroid duration. CRP, albumin and haemoglobin do not correlate with severity. The UCEIS (p = 0.008) and Mayo (p = 0.016) scores correlate with severity/infliximab requirement. Patients with higher Nancy indices (3/4) are more likely to require infliximab (p = 0.03).

CONCLUSIONS: CTCAE assessment does not accurately reflect colitis severity and our data do not support its use in isolation, as this may negatively impact timely management. Our data support utilising endoscopic scoring for patients with >grade 1 CTCAE disease, and demonstrate the potential prognostic utility of objective histologic scoring.

Original languageEnglish
Pages (from-to)207-215
Number of pages9
JournalBritish Journal of Cancer
Volume123
Issue number2
DOIs
Publication statusPublished - Jul 2020

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Aged
  • Carcinoma, Non-Small-Cell Lung/complications
  • Colitis/chemically induced
  • Colonoscopy
  • Drug-Related Side Effects and Adverse Reactions
  • Female
  • Humans
  • Immune Checkpoint Inhibitors/administration & dosage
  • Infliximab/administration & dosage
  • Male
  • Melanoma/complications
  • Middle Aged
  • Prognosis
  • Severity of Illness Index
  • Treatment Outcome
  • Urothelium/drug effects

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