A sublingual soluble-film formulation of buprenorphine/naloxone (B/N) has been approved by the US Food and Drug Administration for the treatment of opioid dependency. This preparation provides unit-dose, child-resistant packaging amenable to tracking and accountability, offers more rapid dissolution, and has a potentially preferred taste vs. tablets. This study compared the ability of buprenorphine (B) and B/N films to suppress spontaneous withdrawal in opioid-dependent volunteers. Participants were maintained on morphine and underwent challenge sessions to confirm sensitivity to naloxone-induced opioid withdrawal. Subjects were randomized to receive either B (16 mg, n = 18) or B/N (16/4 mg, n = 16) soluble films for 5 days. The primary outcome measure was the Clinical Opiate Withdrawal Scale (COWS) score. Thirty-four subjects completed induction onto soluble films. There was a significant decrease in COWS scores but no significant differences between the groups. The results support the use of B and B/N soluble films as safe and effective delivery methods for opioid induction.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3225026 | PMC |
| http://dx.doi.org/10.1038/clpt.2010.352 | DOI Listing |
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