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- W2056888894 abstract "Sublingual formulations of buprenorphine (BUP) and BUP/naloxone have well-established pharmacokinetic and pharmacodynamic profiles, and are safe and effective for treating opioid use disorder. Since approvals of these formulations, their clinical use has increased. Yet, questions have arisen as to how BUP binding to mu-opioid receptors (μORs), the neurobiological target for this medication, relate to its clinical application. BUP produces dose- and time-related alterations of μOR availability but some clinicians express concern about whether doses higher than those needed to prevent opioid withdrawal symptoms are warranted, and policymakers consider limiting reimbursement for certain BUP dosing regimens. We review scientific data concerning BUP-induced changes in μOR availability and their relationship to clinical efficacy. Withdrawal suppression appears to require ≤50% μOR availability, associated with BUP trough plasma concentrations ≥1 ng/mL; for most patients, this may require single daily BUP doses of 4 mg to defend against trough levels, or lower divided doses. Blockade of the reinforcing and subjective effects of typical doses of abused opioids require <20% μOR availability, associated with BUP trough plasma concentrations ≥3 ng/mL; for most individuals, this may require single daily BUP doses >16 mg, or lower divided doses. For individuals attempting to surmount this blockade with higher-than-usual doses of abused opioids, even larger BUP doses and <10% μOR availability would be required. For these reasons, and given the complexities of studies on this issue and comorbid problems, we conclude that fixed, arbitrary limits on BUP doses in clinical care or limits on reimbursement for this care are unwarranted." @default.
- W2056888894 created "2016-06-24" @default.
- W2056888894 creator A5024100091 @default.
- W2056888894 creator A5076431340 @default.
- W2056888894 creator A5087602950 @default.
- W2056888894 date "2014-11-01" @default.
- W2056888894 modified "2023-10-14" @default.
- W2056888894 title "Buprenorphine maintenance and mu-opioid receptor availability in the treatment of opioid use disorder: Implications for clinical use and policy" @default.
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- W2056888894 doi "https://doi.org/10.1016/j.drugalcdep.2014.07.035" @default.
- W2056888894 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4252738" @default.
- W2056888894 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/25179217" @default.
- W2056888894 hasPublicationYear "2014" @default.
- W2056888894 type Work @default.