Update to the study protocol, including statistical analysis plan, for the multicentre, randomised controlled OuTSMART trial: a combined screening/treatment programme to prevent premature failure of renal transplants due to chronic rejection in patients with HLA antibodies. - Stringer, Dominic; Gardner, Leanne M.; Peacock, Janet L.; Rebollo-Mesa, Irene; Hilton, Rachel; Shaw, Olivia; Baker, Richard; Clark, Brendan; Thuraisingham, Raj C.; Buckland, Matthew; Picton, Michael; Worthington, Judith; et al. (Trials, 2019)