Sharing study materials in health and medical research.

Making study materials available allows for a more comprehensive understanding of the scientific literature. Sharing can take many forms and include a wide variety of outputs including code and data. Biomedical research can benefit from increased transparency but faces unique challenges for sharing, for instance, confidentiality concerns around participants' medical data. Both general and specialised repositories exist to aid in sharing most study materials. Sharing may also require skills and resources to ensure that it is done safely and effectively. Educating researchers on how to best share their materials, and properly rewarding these practices, requires action from a variety of stakeholders including journals, funders and research institutions.
Competing Interests: Competing interests: GCR was financially supported by the NHS, National Institute of Health Research (NIHR), School for Primary Care Research (SPCR), the Naji Foundation and the Rotary Foundation to study for a Doctor of Philosophy (DPhil) at the University of Oxford (2017–2020), but no longer has interests to declare. GCR is an Associate Editor of BMJ Evidence-Based Medicine.
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