Expanding the Youth Opioid Recovery Support (YORS) Intervention for MOUD Adherence to Adolescents With OUD

Inclusion Criteria for adolescent patients with OUD: 1. English speaking 2. Provision of signed and dated informed assent form (may be collected verbally over audio and/or video platform in the event of a remote enrollment) 3. Willing to have a legal, English-speaking guardian provide informed consent (may be collected verbally over audio and/or video platform in the event of a remote enrollment) 4. Stated willingness to comply with all study procedures and the YORS intervention 5. Age 13-21 (inclusive) 6. Documented diagnosis of opioid use disorder (OUD) 7. Presenting for an index episode of inpatient or outpatient treatment at Maryland Treatment Centers with at least one day of opioid use in the 30 days prior to enrollment 8. Considering treatment with XR-NTX, XR-BUP, or SL-BUP\* OR has begun SL-BUP maintenance treatment within the past two weeks 9. Willing to designate a parent, family member, or other person to be involved in their OUD treatment as a Treatment Significant Other 10. Access to a mobile phone Inclusion criteria for Treatment Significant Other (TS) participants 1. English speaking 2. Provision of signed and dated informed consent form (may be collected verbally over audio and/or video platform in the event of a remote enrollment) 3. Stated willingness to comply with all study procedures and the YORS intervention 4. Parent, legal guardian, or other treatment support person designated by an adolescent patient participant to be involved in their OUD treatment as a Treatment Significant Other 5. Age 18 years or older 6. Access to a mobile phone Exclusion Criteria for adolescent patients with OUD: 1. Psychiatric or medical instability that, in the opinion of the PI, would preclude participation in the trial (e.g., suicidality, psychosis, Sickle Cell disease with frequent crises) 2. Living situation that, in the opinion of the PI, would preclude participation in the trial (e.g., location greater than 75 miles from the treatment center, homelessness) Exclusion Criteria for Treatment Significant Other (TSO) Participants: 1\. Known to currently be sharing drugs with the adolescent participant