Pilot Study Examining Effect for Dextroamphetamine to Treat Cocaine Dependence Plus Attention-deficit Hyperactivity Disorder (ADHD)

Inclusion Criteria: * Provide informed consent * Generally good health except for problems related to drug use * Meet DSM criteria for cocaine dependence and ADHD * Have stable living situation Exclusion Criteria: * DSM diagnosis for current psychotic, anxiety disorders as well as current substance dependence (with the exception of marijuana and nicotine) * Current use of prescription medications * Females who are currently pregnant or nursing * History of significant acute or chronic physical illness * History of or current liver disease * Existing cardiovascular disease * Plans to leave metropolitan area within 3 months * Probation or parole with constraints that preclude full study participation