ArticleJournal of veterinary internal medicine2018
Serum levetiracetam concentrations and adverse events after multiple dose extended release levetiracetam administration to healthy cats.
Article in Journal of veterinary internal medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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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
3 citing papers in PubMed, 9 citations in OpenAlex.
- Antiepileptic drug therapy in companion animals: New perspectives on clinical pathology monitoring.Veterinary and animal science · 2026Review
- Serum levetiracetam concentrations after transdermal levetiracetam administration, 3 times daily, to healthy cats.Journal of veterinary internal medicine · 2019Article
- Serum levetiracetam concentrations and adverse events after multiple dose extended release levetiracetam administration to healthy cats.Journal of veterinary internal medicine · 2018Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMultiple dose administration of antiepileptic drugs to cats presents a challenge for owners. Extended release levetiracetam (XRL) has once daily recommended dosing interval, but multiple dose administration of XRL has not been evaluated in cats.
objectiveEvaluate serum levetiracetam concentrations and adverse clinical effects after 11 days of once daily XRL administration to healthy cats. ANIMALS: Nine healthy privately owned cats, body weight ≥ 5 kg
methodsExtended release levetiracetam (500 mg/cat) was administered PO q24h for 10 days. On day 11, blood was collected at trough, 4, 6, and 8 hours after tablet administration. Owners maintained records of adverse effects throughout study. Levetiracetam was quantitated in serum using immunoassay validated in cats.
resultsMedian dose 94.3 mg/kg q24h. Median (range) trough, 4, 6, and 8 hour serum levetiracetam concentrations were 7.0 (2.3-14.1), 82.6 (7.8-125.3), 92.3 (13.3-97.3), and 72 (22.8-96.4) μg/mL, respectively. Peak was not observed in 4 cats because of missed samples (n = 2) and failure to reach maximal concentration (C CONCLUSIONS AND CLINICAL IMPORTANCE: Mean trough serum levetiracetam concentrations were ≥5 μg/mL and adverse effects were minimal throughout dosing period, indicating that the drug was well tolerated. Once daily XRL (500 mg/cat) administration may provide an easier alternative to 3 times daily dosing of intermediate-release levetiracetam for epileptic cats.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.