IRCT20120731010453N2 IRCT 2018-11-09 Shiraz University of Medical Sciences Efficacy of two different antibiotic prophylactic regimens in liver transplant recipients Comparison of the efficacy of two different antibiotic prophylactic regimens for bacterial infections in liver transplant recipients 2018-11-21 anticipated 182 Complete https://irct.ir/trial/30284 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention, Randomization description: Before the beginning of liver transplant surgery, all eligible patients were divided into two intervention and control groups by operating room technician using the random numbers table that was at his disposal, Blinding description: In our study, liver transplant surgeons do not know the patients took which of antibiotic prophylactic regimens before surgery. 3 liver transplantation. Intervention 1: first Intervention group: Ampicillin-sulbactam(3 g every 6 hours) with Ceftizoxime (2 g every 8 hours). Intervention 2: Second Intervention group: Ampicillin-sulbactam(3 g every 6 hours) with Gentamicin (5 mg/Kg.once daily). Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information