| Completed | 2/3 | 60 | US | injectable naltrexone and dronabinol, Naltrexone and placebo | New York State Psychiatric Institute, National Institute on Drug Abuse (NIDA) | Opioid Dependence | 12/12 | 12/12 | | |
| Completed | 2/3 | 156 | US | Dronabinol, Marinol, Placebo, Lofexidine | New York State Psychiatric Institute, National Institute on Drug Abuse (NIDA) | Cannabis Dependence, Marijuana Dependence | 09/14 | 09/14 | | |
NCT01598896: Combination of Dronabinol and Clonidine for Cannabis Dependence in Patients With Schizophrenia |
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| Terminated | 2/3 | 12 | US | Dronabinol, Marinol, CSA Drug Code 7369, Schedule III, NDC 54868-3189-0, Clonidine, Catapres, NDC 16590-266-30, Placebo | Mclean Hospital, Brain & Behavior Research Foundation | Cannabis Dependence, Marijuana Dependence | 08/17 | 08/17 | | |
