Objective: Lorazepam is a sedative that may be used for the management of anxiety, insomnia, and chemotherapy-induced nausea and vomiting. Lorazepam can be incorporated into transdermal bases such as Lipoderm, referred to as Phospholipid Base, for drug delivery across the skin. The purpose of this study is to characterize the percutaneous absorption of lorazepam 5 mg/g in Phospholipid Base, whe...