Do you find there is any benefit to giving N-acetyl-cysteine in non-acetaminophen related acute liver failure?  

Yes, we believe there is a modest benefit for non-APAP patients. The Acute Liver Failure Study Group did a placebo controlled double blind study of NAC use in non-APAP ALF. Here is the reference. This is not FDA-approved. They wanted a second study but this one took about 6 or 7 years to complete!Le...