Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/69800
Título: Pharmacokinetics of meloxicam during multiple oral or intramuscular dose administration to African grey parrots (Psittacus erithacus)
Autores/as: Montesinos, Andrés
Encinas, Teresa
Ardiaca, María
Gilabert, Juan A.
Bonvehí, Cristina
Orós, Jorge 
Clasificación UNESCO: 2401 Biología animal (zoología)
Palabras clave: Pharmacokinetics
Grey parrots
Psittacus erithacus
Meloxicam
Fecha de publicación: 2019
Publicación seriada: American journal of veterinary research 
Resumen: OBJECTIVE To determine the pharmacokinetics of meloxicam in African grey parrots (Psittacus erithacus) during administration of multiple doses. ANIMALS 6 healthy African grey parrots. PROCEDURES Meloxicam was administered at each of 3 dosages (1 mg/kg, IM, q 24 h, for 7 days; 1 mg/kg, PO, q 24 h, for 12 days; and 1.6 mg/kg, PO, q 24 h, for 7 days) with an 8-week washout period between treatments. Blood samples were collected 12 and 24 hours after each drug administration (times of presumptive peak and trough drug concentrations) for pharmacokinetic analysis. Birds were visually assessed during all experiments and monitored for changes in selected plasma and urine biochemical variables after administration of the drug at 1.6 mg/kg. RESULTS Mean trough plasma concentrations at steady state were 10.7 and 9.16 µg/ mL after meloxicam administration at 1 mg/kg, IM, and 1 mg/kg, PO, respectively. Plasma drug accumulation was evident (accumulation ratios of 2.04 ± 0.30 [IM treatment] and 2.45 ± 0.26 [PO treatment]). Plasma and urine N-acetyl-β- D -glucosaminidase activities were significantly increased at the end of meloxicam treatment at 1.6 mg/kg. CONCLUSIONS AND CLINICAL RELEVANCE Plasma concentrations of meloxicam were maintained at values greater than effective analgesic concentrations described for other avian species. Although administration of meloxicam at a dosage of 1 mg/kg IM and PO daily for 1 week and 12 days, respectively, was not associated with adverse clinical effects in this population, further studies are needed to assess the efficacy and safety of the drug during prolonged treatment and the clinical relevance of its accumulation.
URI: http://hdl.handle.net/10553/69800
ISSN: 0002-9645
DOI: 10.2460/ajvr.80.2.201
Fuente: American Journal of Veterinary Research [ISSN 0002-9645], v. 80 (2), p. 201-207
Colección:Artículos
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