The purpose of this study is the use of Methylphenidate in the treatment of cocaine
dependence and Attention Deficit Hyperactivity Disorder (ADHD) comorbidity.
The objective of this study is to determine the safety and efficacy of methylphenidate in a
population of patients who are cocaine dependent and suffer from attention deficit
Cocaine-dependent. Meets the DSM-IV criteria for ADHD. Actively using cocaine within the
past 30 days of screening.
Symptoms of AIDS. Significant medical disorder. DSM-IV criteria for any substance other
than cocaine, alcohol, nicotine, marijuana, caffeine. Requires detoxification from ETOH or
benzos. History of seizures.