From: Rectally administered indomethacin to prevent post-ESWL-pancreatitis (RIPEP): study protocol for a randomized controlled trial
Date
Version
29 May 2016
Original ethics approval (protocol version 1)
27 September 2016
Amendment 1: (Protocol version 2) (1) Modification of informed consent
1 September 2017
Amendment 2: (Protocol version 3) (1) Modification of sample size