RecruitingPhase 3Clinical trialSmartphones for Opiate Addiction RecoveryTreatments for opioid addiction exist, but effectiveness is compromised when subjects use illicit opiates during treatment. Reuse rates during treatment can be high, and reducing illicit opiate use during treatment has thus recently become a major NIDA policy goal. The 5-minute battery indicates the numerical probability that a patient will reuse illicit opiates within the next 7-10 days.