Study: NCT04139213

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: buprenorphine/naloxone oral product
Description: To treat opioid use disorder, buprenorphine/naloxone will be provided by a study pharmacist under a collaborative pharmacy practice agreement on a weekly or monthly basis, unless the care plan specifies greater frequency of pharmacy visit. The median expected dose of buprenorphine/naloxone (sublingual film or tablet) is 8 to 24 mg daily, and may be adjusted per the collaborative pharmacy practice agreement.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: buprenorphine/naloxone oral product
Description: To treat opioid use disorder, buprenorphine/naloxone will be provided by a study pharmacist under a collaborative pharmacy practice agreement on a weekly or monthly basis, unless the care plan specifies greater frequency of pharmacy visit. The median expected dose of buprenorphine/naloxone (sublingual film or tablet) is 8 to 24 mg daily, and may be adjusted per the collaborative pharmacy practice agreement.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: injectable naltrexone
Description: To treat opioid use disorder, injectable naltrexone will be provided by a study pharmacist under a collaborative pharmacy practice agreement on a monthly (injectable naltrexone) basis. The expected dose of injectable naltrexone will be approximately 380 mg. Injectable naltrexone will be dispensed and prepared by the pharmacist but administered by nursing staff for the pilot study.

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: injectable naltrexone
Description: To treat opioid use disorder, injectable naltrexone will be provided by a study pharmacist under a collaborative pharmacy practice agreement on a monthly (injectable naltrexone) basis. The expected dose of injectable naltrexone will be approximately 380 mg. Injectable naltrexone will be dispensed and prepared by the pharmacist but administered by nursing staff for the pilot study.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Pharmacy maintenance addiction care
Description: Patients randomized to the pharmacy study arm and on a stable dose of buprenorphine/naloxone or naltrexone will receive maintenance care at the pharmacy for up to three months. Patients will visit for check-ins with a pharmacist on a monthly, weekly, or more frequent basis, depending on the individual treatment plan. Patients on buprenorphine/naloxone will be dispensed their medication at study visits, whereas patients taking injectable naltrexone will be dispensed it monthly by the pharmacist. All patients will visit the pharmacy at least monthly for addiction care (assessment, toxicological testing).

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: oral naltrexone
Description: To augment care for patients receiving injectable naltrexone for the treatment of OUD and treat cravings that may arise before their scheduled injection, patients prescribed injectable naltrexone may be provided a several day supply of oral naltrexone by a study pharmacist under a collaborative pharmacy practice agreement. The expected dose of oral naltrexone will be approximately 25-50 mg daily.