“…Glutathione precursors such as N-acetylcysteine, bucillamine, and possibly S-adenosylmethionine could be more effective in situations associated with severe intracellular oxidative stress. Our experimental studies in animals with normal or steatotic livers, undergoing lobar warm liver I/R injury, 12,13 and in a small randomized clinical trial in patients undergoing liver resections, 14 showed beneficial effects of N-acetylcysteine administration. However, a pilot prospective randomized clinical trial on the administration of N-acetyl cysteine to donors, in human liver transplantation, also by our own group, showed no objective evidence of clinical benefit, perhaps highlighting the difficulty of tailoring a therapy without a readily-measurable end-point.…”