Study Design and Oversight
SOCRATES was a multicenter, randomized, double-
blind, double-dummy, parallel-group trial; patients
were enrolled from January 7, 2014, through
October 29, 2015, at 674 sites in 33 countries.
The trial was approved by the relevant ethics committee
at each participating site. The protocol,
analysis plan, and descriptions of the trial leadership,
committees, investigators, and sites are
provided in the Supplementary Appendix, available
with the full text of this article at NEJM.org. Details
of the study rationale, design, and methods
have been described previously.