Attention Deficit Hyperactivity Disorder (ADHD) in Adolescents With Substance Use Disorders (SUD)

Participants will be scheduled for weekly medication (OROS-MPH) and research assessment visits (approximately 45 minutes to 1 hour in length). A forced titration dosing strategy will be used starting with 18 mg/day OROS-MPH for 3 days, increasing to 36mg/day for the next three days; increasing to 54 mg/day in week two, and to 72 mg/day in week three through the remainder of the study (as tolerated). Participants will also attend weekly CBT sessions (approximately 1 hour in length) targeting their drug use.

Participants will be scheduled for weekly medication and research assessment visits (approximately 45 minutes to 1 hour in length). A forced titration dosing strategy will be used starting with 18 mg/day OROS-MPH placebo for 3 days, increasing to 36mg/day for the next three days; increasing to 54 mg/day in week two, and to 72 mg/day in week three through the remainder of the study (as tolerated). Participants will also attend weekly CBT sessions (approximately 1 hour in length) targeting their drug use.