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The COMET Handbook: version 1.0.

Paula R Williamson1, Douglas G Altman2, Heather Bagley3

  • 1MRC North West Hub for Trials Methodology Research, Department of Biostatistics, University of Liverpool, Block F Waterhouse Building, 1-5 Brownlow Street, Liverpool, L69 3GL, UK. prw@liv.ac.uk.

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Summary
This summary is machine-generated.

Selecting appropriate outcomes in clinical trials is vital for comparing interventions. This handbook provides guidance on developing core outcome sets, ensuring relevance for patients and professionals, and improving trial impact.

Keywords:
COMET InitiativeClinical trialCore outcome setPatients and the public

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Area of Science:

  • Clinical Trials Methodology
  • Health Outcomes Research

Background:

  • Appropriate outcome selection is critical for comparing interventions in clinical trials.
  • Outcomes must be relevant to stakeholders (patients, professionals) to influence policy and practice.
  • Insufficient attention has historically been paid to outcome selection in clinical trials.

Purpose of the Study:

  • To provide guidance on the development, implementation, evaluation, and updating of core outcome sets.
  • To consolidate current thinking and methodological research on core outcome sets.
  • To recommend a standardized four-step process for developing core outcome sets.

Main Methods:

  • Development of a handbook by the COMET Initiative.
  • Synthesis of current thinking and methodological research.
  • Recommendation of a four-step process for core outcome set development.

Main Results:

  • A handbook is presented, consolidating research on core outcome sets.
  • A four-step process for developing core outcome sets is recommended.
  • The handbook will be updated as new research emerges.

Conclusions:

  • Core outcome sets are essential for standardizing outcome measurement in clinical trials.
  • Guidance is needed and provided for the development and use of core outcome sets.
  • The recommended process aims to improve the quality and relevance of clinical trial outcomes.