Trials is an open access peer-reviewed medical journal covering performance and outcomes of randomized controlled trials.

[1] The journal is published by BioMed Central; the editors-in-chief are Jeremy Grimshaw (Ottawa Health Research Institute), Peter Jüni (University of Toronto), Tianjing Li (Johns Hopkins Bloomberg School of Public Health), and Shaun Treweek (University of Aberdeen).

[2] It also publishes study protocols.

[3] The journal is abstracted and indexed in: According to the Journal Citation Reports, the journal has a 2018 impact factor of 1.975.

[4]