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 company's pipeline includes medicines in development for Opioid Overdose Reversal (OOR), Alcohol Use Disorder (AUD), Opioid Use Disorder (OUD) and Acute Cannabinoid Overdose (ACO). The majority of the revenue is generated in the form of Royalty and licensing.