Patient-reported outcomes in randomised controlled trials of colorectal cancer: an analysis determining the availability of robust data to inform clinical decision-making

Jonathan R. Rees* (Corresponding Author), Katie Whale, Daniel Fish, Peter Fayers, Valentina Cafaro, Andrea Pusic, Jane M. Blazeby, Fabio Efficace

*Corresponding author for this work

Research output: Contribution to journalReview article

11 Citations (Scopus)

Abstract

Purpose: Randomised controlled trials (RCTs) are the most robust study design measuring outcomes of colorectal cancer (CRC) treatments, but to influence clinical practice trial design and reporting of patient-reported outcomes (PROs) must be of high quality. Objectives of this study were as follows: to examine the quality of PRO reporting in RCTs of CRC treatment; to assess the availability of robust data to inform clinical decision-making; and to investigate whether quality of reporting improved over time. Methods: A systematic review from January 2004–February 2012 identified RCTs of CRC treatment describing PROs. Relevant abstracts were screened and manuscripts obtained. Methodological quality was assessed using International Society for Quality of Life Research—patient-reported outcome reporting standards. Changes in reporting quality over time were established by comparison with previous data, and risk of bias was assessed with the Cochrane risk of bias tool. Results: Sixty-six RCTs were identified, seven studies (10 %) reported survival benefit favouring the experimental treatment, 35 trials (53 %) identified differences in PROs between treatment groups, and the clinical significance of these differences was discussed in 19 studies (29 %). The most commonly reported treatment type was chemotherapy (n = 45; 68 %). Improvements over time in key methodological issues including the documentation of missing data and the discussion of the clinical significance of PROs were found. Thirteen trials (20 %) had high-quality reporting. Conclusions: Whilst improvements in PRO quality reporting over time were found, several recent studies still fail to robustly inform clinical practice. Quality of PRO reporting must continue to improve to maximise the clinical impact of PRO findings.

Original languageEnglish
Pages (from-to)2181-2192
Number of pages12
JournalJournal of Cancer Research and Clinical Oncology
Volume141
Issue number12
Early online date25 Apr 2015
DOIs
Publication statusPublished - Dec 2015

Keywords

  • Cancer
  • Colorectal
  • Health-related quality of life
  • Patient-reported outcomes
  • Randomised
  • Trails

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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