IRCT20200417047114N1 IRCT 2020-04-29 Shahid Beheshti University of Medical Sciences Vitamin E and N-acetylcysteine on prevention of contrast-induced acute kidney injury after coronary catheterization in diabetic patients The effect of vitamin E and N-acetylcysteine on prevention of contrast-induced acute kidney injury after coronary catheterization in diabetic patients 2019-05-02 anticipated 300 Complete https://irct.ir/trial/47243 interventional Randomization: Randomized, Blinding: Triple blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Randomization description: A total of 300 patients were categorized into three groups randomly based on 1:1:1 ratio (100 patients in each group), Blinding description: The participants were blinded by giving placebo with similar appearance The clinician was blinded by labeling the drugs by A, B, and C The specialist evaluating patients' GFR was not aware of the group allocations The analyst was not aware of the group allocations, as the groups were named by A, B, and C. 3 Contrast-induced nephropathy. Intervention 1: Intervention group1: Sodium chloride + placebo N-acetylcysteine + real vitamin E. Intervention 2: Intervention group 2: Sodium chloride + real N-acetylcysteine + placebo vitamin E. Intervention 3: Control group: Sodium chloride + placebo N-acetylcysteine + placebo vitamin E. No - There is not a plan to make this available Justification or reason for not sharing IPD is Decision of my supervisor