1 Jeffrey S. Berns, MD, is Vice President for Graduate Medical Education-UPHS and Associate Dean for Graduate Medical Education, Perelman School of Medicine at the University of Pennsylvania, Hospital of the University of Pennsylvania, Philadelphia, PA.
Publication of nephrology research in preprint servers, particularly medRxiv, which identifies itself as “the preprint server for health sciences,” has rapidly expanded since the onset of the COVID-19 pandemic. Some of this material makes its way into peer-reviewed journals; much does not. Even well-known and respected authors are posting their research on such servers, likely, in part, due to the fact that most mainstream nephrology journals now accept submissions for peer review even if first posted on a preprint server. Having early access to important research, seemingly a primary goal of posting on a preprint server, can be valuable, as