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Research Letter
September 9, 2019

Inclusion of Clinical Trial Registration Numbers in Conference Abstracts and Conformance of Abstracts to CONSORT Guidelines

Author Affiliations
  • 1Office of the Director, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
  • 2Department of Gastroenterology, University of New Mexico, Albuquerque
  • 3Liver Disease Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland
  • 4MedStar Good Samaritan Hospital, Baltimore, Maryland
  • 5School of Medicine, Division of Geriatrics and Palliative Care, New York University, New York
JAMA Intern Med. Published online September 9, 2019. doi:10.1001/jamainternmed.2019.3183

Clinical trial registration facilitates identification, tracking, and assessment of clinical trials and limits publication bias caused by the selective reporting of trial results.1 Inclusion of trial registration numbers in conference abstracts, as recommended by the Consolidated Standards of Reporting Trials (CONSORT) guidelines for abstracts2 is particularly important because many conference presentations of trials remain unpublished.3 In the present study, we reviewed abstracts presented at 8 major medical and surgical conferences held in 2017 to assess the extent to which conference abstracts reporting randomized clinical trial (RCT) results cite trial registration numbers and conform to other key CONSORT guidelines.

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