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Journal requirement for data sharing statements in clinical trials: a cross-sectional study
Jingyi Zhang1, Yingxin Liu1, Lehana Thabane2
1Center for Clinical Epidemiology and Methodology (CCEM), The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China.
Journal of Clinical Epidemiology
|June 5, 2024
Summary
Most biomedical journals now require data sharing statements for clinical trials, enhancing transparency. However, over 27% still do not, indicating a need for broader adoption of these data transparency practices.
Area of Science:
- Clinical trial reporting and data transparency
- Biomedical journal policies and data sharing
Background:
- Data sharing statements are crucial for clinical trial transparency.
- The International Committee of Medical Journal Editors (ICMJE) mandates data sharing statements for clinical trials.
Purpose of the Study:
- To assess the requirement for individual participant data sharing statements in biomedical journals.
- To explore associations between journal characteristics and the implementation of data sharing statement requirements.
Main Methods:
- Cross-sectional study of 3229 biomedical journals indexed by Journal Citation Reports (2019-2022).
- Analysis of journal policies regarding data sharing statements.
- Multivariable logistic regression to identify factors associated with data sharing statement requirements.
Main Results:
- 72.6% of journals (2345/3229) required data sharing statements.
- Journals published in the UK and those endorsing Consolidated Standards of Reporting Trials (CONSORT) showed higher odds of requiring statements.
- Open access, non-English, clinical medicine, and ICMJE-listed journals had lower odds of requiring data sharing statements.
Conclusions:
- A significant portion (over 27%) of biomedical journals publishing clinical trials do not mandate data sharing statements.
- This gap highlights opportunities to improve data transparency in clinical research despite existing recommendations.
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