This is a list of investigational substance-related disorder drugs, or drugs that are currently under development for clinical use for the treatment of substance-related disorders but are not yet approved. Substance-related disorders include substance use disorders like alcoholism (alcohol use disorder), amphetamine use disorder, cocaine use disorder, nicotine use disorder, and opioid use disorder, among others. In addition, they include substance withdrawal syndromes like alcohol withdrawal and opioid withdrawal as well as substance overdoses like opioid overdose.
Chemical/generic names are listed first, with developmental code names, synonyms, and brand names in parentheses. The format of list items is "Name (Synonyms) – Mechanism of Action – Indication [Reference]".
This list was last comprehensively updated in January 2026. It is likely to become outdated with time.