15 to 19 years of age.

Have at least one parent or parent figure willing to participate.

Meet DSM-IV diagnostic criteria for drug-abuse or dependence, including a specific meth use disorder.

Reports meth use on at least 5 of the previous 90 days.

Have contact with the parent on at least 40% of the past 90 days.

With their parent be willing to accept randomization to one of the two treatment interventions.

Be willing to participate in the imaging task in the fMRI pilot study.

Have basic English competency.

Have sufficient residential stability to permit probable contact at follow-up.

Development of a Family-Based Treatment for Adolescent Methamphetamine Use