Publication of Results of Registered Trials With Published Study Protocols, 2011-2022.

ABSTRACT:

Importance

Publishing study protocols might reduce research waste because of unclear methods or incomplete reporting; on the other hand, there might be few additional benefits of publishing protocols for registered trials that are never completed or published. No study has investigated the proportion of published protocols associated with published results.

Objective

To estimate the proportion of published trial protocols for which there are not associated published results.

Design, setting, and participants

This cross-sectional study used stratified random sampling to identify registered clinical trials with protocols published between January 2011 and August 2022 and indexed in PubMed Central. Ongoing studies and those within 1 year of the primary completion date on

SUBMITTER: Vorland CJ 

PROVIDER: S-EPMC10774993 | biostudies-literature | 2024 Jan

REPOSITORIES: biostudies-literature