期刊
PSYCHOPHARMACOLOGY
卷 148, 期 4, 页码 374-383出版社
SPRINGER VERLAG
DOI: 10.1007/s002130050066
关键词
agonist-antagonist; buprenorphine; buprenorphine/naloxone; hydromorphone; naloxone; opioid abuse
资金
- NIDA NIH HHS [R01 DA08045, DA00050, K02 DA00332] Funding Source: Medline
- NATIONAL INSTITUTE ON DRUG ABUSE [R01DA008045, K02DA000332] Funding Source: NIH RePORTER
Rationale: Buprenorphine is an opioid a,agonist-antagonist under development in the United States as a sublingual medication for treatment of opioid dependence. Buprenorphine may be abused; therefore, tablets combining buprenorphine with naloxone have been developed with the intent of reducing the abuse risk in people physically dependent upon opioids. The characteristics and abuse potential of buprenorphine and buprenorphine/naloxone tablets in non-dependent opioid abusers have not been determined. Non-parenteral abuse of opioids such as buprenorphine may be mon likely in people who have less seven substance abuse disorders (e.g., an not physically dependent upon opioids). Objectives: To assess the abuse potential of sublingual buprenorphine and buprenorphine/naloxone tablets in non-dependent opioid abusers. Methods: Subjects (n=7) were tested with subingual buprenorphine (4, 8, 16 mg), sublingual buprenolyhine/naloxone (1/0.25, 2/0.5, 4/1, 8/2, 16/3 mg), as well as intramuscular hydromorphone as an opioid agonist control (2, 4 mg) and placebo in laboratory sessions conducted twice per week. Dosing was double-blind and double-dummy. Results: The higher doses of both buprenorphine and buprenorphine/naloxone produced similar opioid agonist-like effects. The onset of these effects was slowed, consistent with the sublingual route of administration, and the magnitude of effects was moderate. There was no evidence to suggest the addition of naloxone attenuated buprenorphine's opioid agonist effects in this population when buprenorphine was delivered by the sublingual route. Conclusions: These results suggest that sublingual buprenorphine and buprenorphine/naloxone may both be abused by opioid users who are not physically dependent upon opioids.
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