40
Participants
Start Date
September 5, 2018
Primary Completion Date
March 31, 2019
Study Completion Date
March 31, 2019
Chlorpheniramine and ranitidine
Patient will receive intravenous chlorpheniramine and ranitidine prior to protamine.
0.9% Normal Saline
Patient will receive normal saline as placebo.
Siriraj Hospital, Bangkok
Mahidol University
OTHER