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Published in: Trials 1/2018

Open Access 01-12-2018 | Study protocol

Development of a core outcome set (COS) and selecting outcome measurement instruments (OMIs) for non-valvular atrial fibrillation in traditional Chinese medicine clinical trials: study protocol

Authors: Ruijin Qiu, Min Li, Xiaoyu Zhang, Shiqi Chen, Chengyu Li, Hongcai Shang

Published in: Trials | Issue 1/2018

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Abstract

Background

An increasing number of clinical trials of traditional Chinese medicine are being conducted in the treatment of non-valvular atrial fibrillation (NVAF) in China. However, the heterogeneity of outcomes and outcome measurement instruments has produced little evidence for traditional Chinese medicine in treating NVAF because many trials cannot be included in a meta-analysis. The majority of the trials did not report endpoint outcomes, side effects or other important outcomes for patients, which makes it difficult to evaluate the efficacy and safety of traditional Chinese medicine. Therefore, it is important to develop a core outcome set (COS). Although there are two related COSs for clinical trials of atrial fibrillation, the methodology is limited, and the perspectives of Chinese experts and patients are unclear. Therefore, we will develop a COS and recommend outcome measurement instruments after finishing the COS, which can be used for clinical trials of traditional Chinese medicine in NVAF.

Methods/design

The method of the study will include eight stages led by a national multidisciplinary Steering Committee: (1) A systematic review will be developed to identify currently reported outcomes and traditional Chinese medicine syndromes in clinical trials of NVAF, (2) Semi-structured interviews of patients will be conducted to fill gaps in potential outcomes, (3) Traditional Chinese medicine syndrome names will be identified from medical records, (4) A dataset of traditional Chinese medicine syndrome names will be developed, (5) The investigation of traditional Chinese medicine syndromes will be conducted from cross-sectional study, (6) Two rounds of Delphi surveys will be carried out, (7) A consensus meeting will be conducted to develop a COS, and (8) Recommendations of outcome measurement instruments (OMIs), which should be used in the COS, will be developed.

Discussion

The COS will improve the consistency of outcome reporting and reduce the reporting bias in NVAF clinical trials of traditional Chinese medicine to improve the value of traditional Chinese medicine clinical trials.

Trial registration

This study is not a clinical trial, so it is registered in Core Outcome Measures in Effectiveness Trials Initiative (COMET). Registration number: 941. Registered on 22 December 2016.
Appendix
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Metadata
Title
Development of a core outcome set (COS) and selecting outcome measurement instruments (OMIs) for non-valvular atrial fibrillation in traditional Chinese medicine clinical trials: study protocol
Authors
Ruijin Qiu
Min Li
Xiaoyu Zhang
Shiqi Chen
Chengyu Li
Hongcai Shang
Publication date
01-12-2018
Publisher
BioMed Central
Published in
Trials / Issue 1/2018
Electronic ISSN: 1745-6215
DOI
https://doi.org/10.1186/s13063-018-2904-0

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