Overview NAC for Head Trauma-induced Anosmia Status: Terminated Trial end date: 2020-01-07 Target enrollment: Participant gender: Summary This study will compare administration of N-Acetyl Cysteine (NAC) versus placebo for the treatment of olfactory loss due to head injury. The hypothesis is that treatment with NAC acutely after head injury will result in improved olfactory function Phase: Phase 3 Details Lead Sponsor: Bradley GoldsteinUniversity of MiamiTreatments: AcetylcysteineN-monoacetylcystine