ArticleJournal of the American Association for Laboratory Animal Science : JAALAS2025
Pharmacokinetic Evaluation of Topical Long-Acting Buprenorphine in New Zealand White Rabbits (Oryctolagus cuniculus).
Article in Journal of the American Association for Laboratory Animal Science : JAALAS, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Pharmacokinetics and Paw Withdraw Pressure in Guinea Pigs (Cavia porcellus) Treated with Transdermal Buprenorphine.Journal of the American Association for Laboratory Animal Science : JAALAS · 2026Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rabbits are commonly used as surgical models, thus requiring analgesics for painful procedures and optimal animal welfare. Buprenorphine, a partial µ opioid, is commercially available in various concentrations and sustained-release formulations and has historically been used as an analgesic in rabbits. A topical long-acting buprenorphine formulation (Zorbium, Bup-TP) has been approved for analgesic use in cats but has not yet been evaluated in rabbits. The present study evaluated the plasma concentrations and pharmacokinetic parameters of Bup-TP in New Zealand white rabbits (Oryctolagus cuniculus). Healthy adult male (n = 4) and female (n = 4) New Zealand white rabbits were used in a randomized crossover design and received a single high (7 mg/kg) and low (3 mg/kg) dose of Bup-TP. In this study, Bup-TP achieved a plasma blood concentration >0.25 ng/mL starting at 0.5 hours after dosing that was maintained up to 72 hours after dosing in adult New Zealand white rabbits. Compared with baseline, fecal and urinary output were reduced for an average of 3.5 days after dosing; food consumption was reduced for an average of 10 days after dosing. All resolved with time and supportive care. No lesions were grossly visible on any rabbit at site of application. Bup-TP may be an effective, long-lasting, and noninvasive method of providing analgesia in rabbits. Future study is recommended to optimize dosing and procedural analgesic efficacy.
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