89
Participants
Start Date
September 30, 1997
Primary Completion Date
April 30, 2012
Study Completion Date
October 31, 2014
Biliary sphincterotomy
Cutting of the biliary sphincter muscle.
Pancreatobiliary sphincterotomy
Cutting of both the biliary and pancreatic sphincter muscles.
Sham
No sphincterotomy is performed in patients randomized to sham with normal SOM.
Indiana University Health University Hospital, Indianapolis
Indiana University
OTHER