• Pouya Azar, James S H Wong, Sara Jassemi, Eva Moore, Dzung X Vo, Mohammadali Nikoo, and Samantha Young.
• Vancouver General Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
• Am J Addict. 2020 Nov 1; 29 (6): 531-535.

Background And ObjectivesBuprenorphine extended-release (BUP-XR) is a monthly injectable form of opioid agonist therapy. Before its administration, a minimum 7-day induction period with a transmucosal buprenorphine-containing product is recommended.MethodsCase report (n = 1).ResultsA 16-year-old female with active, severe opioid use disorder (OUD) and stimulant use disorder, hepatitis C virus, co-occurring mental health disorders, and complex social stressors had five recent overdoses requiring naloxone. She had previously been treated with methadone and several trials of sublingual buprenorphine/naloxone, but would quickly discontinue the treatment. Using a rapid micro-induction protocol, buprenorphine/naloxone was administered for 3 days. On day 4, 300 mg BUP-XR was administered subcutaneously. Minimal withdrawal symptoms occurred, despite recent fentanyl use.Discussion And ConclusionsA rapid sublingual buprenorphine/naloxone micro-induction was successfully used to initiate BUP-XR, thereby eliminating the abstinence period prior to buprenorphine/naloxone administration, shortening the induction period, and minimizing withdrawal.Scientific SignificanceThis is the first reported case of using rapid micro-induction as a bridge to initiate BUP-XR. By reducing the length of induction to 4 days and minimizing withdrawal, this induction method can make BUP-XR more accessible to patients who would otherwise refuse the medication due to concerns of enduring withdrawal. (Am J Addict 2020;29:531-535).© 2020 American Academy of Addiction Psychiatry.

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