Opiant Pharmaceuticals Inc is a specialty pharmaceutical company operating in the US. It develops pharmacological treatments for substance use, addictive and eating disorders. The company has developed NARCAN, a Nasal Spray for treatment to reverse opioid overdoses. The pipeline product of the company candidates includes a treatment for Binge Eating Disorder (BED), a treatment for Bulimia Nervosa (BN), a treatment for Cocaine Use Disorder (CocUD) and a heroin vaccine.