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Opiant Pharmaceuticals is a specialty pharmaceutical company that develops opioid antagonist treatments for addictions and related disorders. The company’s portfolio includes NARCAN nasal spray, a treatment to reverse opioid overdoses. It is also involved in developing treatments for binge eating disorder and cocaine use disorder, as well as Bulimia Nervosa. Formerly known as Lightlake Therapeutics, it changed its name in January 2016. Opiant Pharmaceuticals, Inc. was founded in 2005 and is headquartered in Santa Monica, California.