Opiant Pharmaceuticals, Inc. is a pharmaceutical company, which engages in the development of pharmaceutical solutions for common addictions and related disorders. The company is headquartered in Santa Monica, California and currently employs 37 full-time employees. The company went IPO on 2017-09-18. The firm developed NARCAN (naloxone hydrochloride) Nasal Spray (NARCAN), a treatment to reverse opioid overdose. The firm's pipeline includes medicines in development for Opioid Overdose Reversal (OOR), Alcohol Use Disorder (AUD), and Acute Cannabinoid Overdose (ACO). The firm is also pursuing other treatment opportunities within the addiction and drug overdose field. Its lead development product is OPNT003 a nasal nalmefene for the treatment of opioid overdose.