A Study To Evaluate The Abuse Potential Of Single Oral Doses Of Dimebon (Latrepirdine) In Healthy Recreational Polydrug Users

Exclusion Criteria

• •History of clinically significant neurologic condition(s), such as seizures, convulsions, epilepsy, or significant head injury, as judged by the investigator or designee.
• •A known history of hypersensitivity or previous intolerance to dimebon or other antihistamines.
• •Self-reported history of drug or alcohol dependence (except nicotine or caffeine) in the 2 years prior to screening, or drug or alcohol dependence as defined by the (DSM-IV-TR) in 12 months prior to screening, including subjects who have ever been in a substance rehabilitation program (other than treatment for smoking cessation).
• •History of clinically significant psychiatric disorder(s), as judged by the investigator or qualified designee.