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Objectives: Inpatient guidelines for methadone titration do not exist, whereas outpatient guidelines lack flexibility and do not consider individual opioid tolerance. The evaluation of rapid, adaptable titration protocols may allow more patient-centered and effective treatment for opioid use disorder in the fentanyl era., Methods: This study performed a retrospective chart review of patients 18 years or older with opioid use disorder who were initiated on methadone at a single academic urban hospital using a rapid divided dose protocol between November 2019 and November 2020. The primary outcome was adverse events associated with methadone, specifically opioid toxicity or sedation requiring increased medical observation or intervention. The secondary outcome was total daily dose of methadone received on day 7 of titration., Results: Ninety-eight patients were included for a total of 168 visits. Sixty-five (66%) were male, with a median age of 38 years (interquartile range, 31-42 years). Sedation occurred in 2 patients (1%), who required either naloxone administration or transfer to an intensive care unit for monitoring. Of the 135 visits where patients received at least 7 days of methadone, the mean dose on day 1 was 41 mg (SD, 9.6 mg) and on day 7 was 65 mg (SD, 20.9 mg)., Conclusions: In this inpatient cohort, rapid methadone titration was well tolerated and resulted in patients reaching higher doses of methadone than would be possible with a standard schedule, with few adverse events. Given the known effective dose range, this approach may result in shorter time to clinical stabilization and suggests that alternative methadone titration schedules may be safe and effective in appropriately selected patients., (Copyright © 2023 American Society of Addiction Medicine.)

Objectives: Alternative transition protocols from methadone to buprenorphine in the treatment of opioid use disorder (OUD) are needed to reduce the risk of precipitated withdrawal and opioid use during induction., Methods: Case report (n = 1)., Results: One patient with OUD underwent a rapid microinduction outpatient protocol that did not cause precipitated withdrawal or require preceding taper before cessation of methadone. The induction was carried out safely in the outpatient setting., Conclusions: This report provides a patient-centered approach demonstrating feasibility and cost-effectiveness of rapid transition to buprenorphine in the US outpatient psychiatry setting. Barriers to adherence to opioid agonist therapy may be reduced using this protocol.

Buprenorphine is an effective treatment for chronic pain and may reduce opioid-induced hyperalgesia. However, its pharmacological properties make its induction challenging, time-consuming, and can precipitate opioid withdrawal. We present the case of a 66-year-old woman with inadequately controlled postoperative pain despite escalating doses of oxycodone and methadone, who was successfully transitioned to buprenorphine/naloxone using a rapid microinduction technique without precipitating opioid withdrawal. Rapid induction provides an alternative method for transitioning patients from other opioids to buprenorphine/naloxone and facilitates transition of patients with chronic pain to buprenorphine therapy within a shorter window compared to currently existing protocols.