Sarmazenil is primarily used in medical research and clinical settings as a benzodiazepine receptor antagonist. It is often employed to reverse the effects of benzodiazepines, which are commonly used as sedatives, anesthetics, or anti-anxiety medications. In emergency situations, it can be administered to counteract benzodiazepine overdose, helping to restore normal cognitive and motor functions quickly. Additionally, Sarmazenil is utilized in studies to understand the mechanisms of benzodiazepine receptors and their role in the central nervous system. Its ability to block these receptors makes it a valuable tool in exploring treatments for conditions like anxiety, insomnia, and epilepsy.