Olanzapine monotherapy in posttraumatic stress disorder: efficacy in a randomized, double‐blind, placebo‐controlled study

To our knowledge, this is the first controlled evidence of the efficacy of olanzapine monotherapy in an exclusively non-combat related chronic PTSD group. Despite the small sample size, these data suggest that olanzapine may have a role in the treatment of PTSD. These findings warrant replication in a larger sample.