Voriconazole Disposition After Single and Multiple, Oral Doses in Healthy, Adult Red-tailed Hawks (Buteo jamaicensis)
2014
Abstract Voriconazole is effective for treatment of aspergillosis, a common disease in captive red-tailed hawks (Buteo jamaicensis). To determine the disposition and safety of voriconazole after single and multiple, oral doses, 12 adult red-tailed hawks were studied in 2 phases. In phase 1, each bird received a single dose of voriconazole solution (10 mg/kg) by gavage. Blood samples were collected at 0, 0.5, 1, 3, 6, 9, 12, 16, 24, and 36 hours after treatment. In phase 2, each of 8 birds received voriconazole oral solution at 10 mg/kg PO q12h for 14 days. Plasma samples were collected on days 0, 5, and 10 and after the final dose and were processed as in phase 1. Plasma samples were submitted for analysis of voriconazole levels by high-performance liquid chromatography and ultraviolet spectrophotometry and for measurement of selected plasma biochemical parameters. After single dosing, voriconazole concentrations reached a (mean ± SD) peak (Cmax) of 4.7 ± 1.3 μg/mL at 2.0 ± 1.2 hours. The disappearance ha...
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