A hypnotic alkylphenol derivative. Formulated for intravenous induction of sedation and hypnosis during anesthesia, propofol facilitates inhibitory neurotransmission mediated by gamma-aminobutyric acid (GABA). This agent is associated with minimal respiratory depression and has a short half-life with a duration of action of 2 to 10 minutes. Check foractive clinical trials using this agent.