Clinical Research Directory

INCLUSION CRITERIA: Common to all 3 RCTs: 1. age18+ years 2. stable mailing address (for mailing study packets if assigned to Remote Intake and/or Remote Treatment/Assessment) within accessible range (1.5 hours) of each study site (per self report) 3. able to read, speak \& verbally comprehend English 4. currently own an iOS- or Android-compatible smartphone 5. have a valid e-mail address that is checked regularly (at least once per day) or have regular access to text messages (to access follow-up assessments) Specific to RCT 3: e) Meet criteria for Opioid Use Disorder and/or Stimulant Use Disorder (moderate or severe) on the DSM-5 Checklist and who report using either non-prescribed opioids (e.g., heroin, opioid pills) or stimulants (e.g., cocaine, methamphetamine) at least once in the past 3 months. EXCLUSION CRITERIA: Common to All 3 RCTs: 1. consumption of \>28 alcohol-containing drinks per week 2. suicide attempt with at least some wish to die in past 3 months 3. mental illness (such as schizophrenia, bipolar disorder, or major depression) that led to hospitalization in the past 30 days 4. unable/unwilling to provide informed consent or follow directions, inappropriately responsive, based on staff observations Specific to RCT3: 5. None.