Abstract：
:In this investigation, the pharmacokinetic and pharmacodynamic properties were determined of multiple doses of sublingual tablets containing either buprenorphine alone or buprenorphine and naloxone. Subjects were experienced opiate users who received escalating doses (4-24 mg) of buprenorphine either alone or in combination with naloxone. Peak concentration (Cmax) and area under the concentration-time curves (AUCs) increased for both buprenorphine and naloxone with escalating doses. Significant differences were found across the range of doses administered for dose-adjusted Cmax for both tablet formulations and for the dose-adjusted AUCs for the buprenorphine-naloxone tablets. For both formulations, the maximal buprenorphine-induced decreases in respiratory rate and pupil diameter did not vary significantly across doses. Several of the subjective effects of buprenorphine did not increase as the dose of buprenorphine administered was increased. These findings are consistent with the ceiling effect associated with the partial agonist actions of buprenorphine. They also indicate a lack of dose proportionality for buprenorphine sublingual tablets, at least during the times at which levels of this agent are highest.
journal_name
J Clin Pharmacoljournal_title
Journal of clinical pharmacologyauthors
Ciraulo DA,Hitzemann RJ,Somoza E,Knapp CM,Rotrosen J,Sarid-Segal O,Ciraulo AM,Greenblatt DJ,Chiang CNdoi
10.1177/0091270005284192subject
Has Abstractpub_date
2006-02-01 00:00:00pages
179-92issue
2eissn
0091-2700issn
1552-4604pii
46/2/179journal_volume
46pub_type
杂志文章abstract：:The objective of this study was to establish effects of liraglutide on the QTc interval. In this randomized, placebo-controlled, double-blind crossover study, 51 healthy participants were administered placebo, 0.6, 1.2, and 1.8 mg liraglutide once daily for 7 days each. Electrocardiograms were recorded periodically ov...
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journal_title：Journal of clinical pharmacology
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journal_title：Journal of clinical pharmacology
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