Artikel ; Online: Serum Concentrations of a Long-acting Cat Formulation of Transdermal Buprenorphine in C57BL/6 Mice.
Journal of the American Association for Laboratory Animal Science : JAALAS
2023 Band 62, Heft 4, Seite(n) 349–354
Abstract: Long-acting analgesics such as extended-release buprenorphine are desirable in rodent medicine because they reduce need for administration of additional medication and provide stable drug levels. We measured the serum concentrations of buprenorphine ... ...
Abstract | Long-acting analgesics such as extended-release buprenorphine are desirable in rodent medicine because they reduce need for administration of additional medication and provide stable drug levels. We measured the serum concentrations of buprenorphine after topical administration of a long-acting transdermal buprenorphine (LAT-bup) solution to female C57BL/6 mice. We hypothesized that LAT-bup dosed topically at 40mg/kg would achieve serum drug concentrations of greater than 1ng/mL, which is considered the therapeutic level for adequate analgesia in rodents. LAT-bup administered at 40mg/kg resulted in serum drug concentrations above 1ng/mL for all mice at time points 2, 4, 24, 48, 72, and 96 h (n = 3/time point), as assessed by liquid chromatography-mass spectrometry. No adverse effects were noted when LAT-bup was dosed at either 30mg/kg or 40mg/kg. We conclude that LAT-bup is easily administered to mice and achieves adequate blood levels for 96 h. Further studies evaluating analgesic efficacy are indicated. |
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Mesh-Begriff(e) | Female ; Mice ; Animals ; Analgesics, Opioid ; Mice, Inbred C57BL ; Buprenorphine ; Pain/drug therapy ; Analgesia |
Chemische Substanzen | Analgesics, Opioid ; Buprenorphine (40D3SCR4GZ) |
Sprache | Englisch |
Erscheinungsdatum | 2023-09-27 |
Erscheinungsland | United States |
Dokumenttyp | Journal Article ; Research Support, Non-U.S. Gov't |
ISSN | 2769-6677 |
ISSN (online) | 2769-6677 |
DOI | 10.30802/AALAS-JAALAS-22-000101 |
Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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