Subthreshold Opioid Use Disorder Prevention (STOP) Trial

PCP Inclusion Criteria

• Licensed medical professional (MD, DO, PA, NP).
• Currently providing care to approximately 4 or more adult patients (18 years or older) who are receiving chronic opioid treatment and/or have risky opioid use.
• Total patient volume is approximately 40 or more adult patients (18 years or older) per week on a typical week
• Willing to be randomized to either of the two study conditions

Patient Participant Inclusion Criteria

• PCP is enrolled in the study.
• Age 18 years or older at time of prescreening.
• Proficient in spoken and written English, as determined by patient self-report and research staff evaluation.
• Risky opioid use in the past 90 days from date of prescreening, as determined by a TAPS score >1 for heroin and/or prescription opioids and/or a positive response (>Never) to any of the three COMM items indicating taking more opioid medication than prescribed
• Access to phone that can receive text messages, and access to internet (via smartphone, tablet, or computer), per patient self-report.
• Able to provide informed consent.

PCP Exclusion Criteria:

• Planning to resign from the clinic in the next 24 months, per PCP self-report.
• Planning to change their schedule in the next 24 months such that they would no longer meet the inclusion criteria for patient volume, per PCP self-report.

Patient Participant Exclusion Criteria:

• Patients with moderate-severe OUD, defined as meeting 4 or more DSM-5 criteria for OUD at screening, as assessed by research staff using the modified-CIDI opioid items.
• Receiving MOUD or engaged in an opioid treatment program in the past 30 days from screening date, per patient self-report.
• Receiving opioids for end of life care, per patient self-report.
• Pregnancy (females age 18-50), as determined by patient self-report at the time of screening.
• Are currently in jail, prison, or other overnight facility as required by court of law or have pending legal action that could prevent participation in study activities.
• Plan to leave the area or the clinical practice within the next 12 months, per patient self-report.
• Other factors that may cause harm or increased risk to the participant or close contacts or preclude the patient's full adherence with or completion of the study.