Pharmacokinetics of famotidine in goats after intravenous administration
There is currently limited pharmacokinetic data for the use of famotidine in goats for treatment and prevention of abomasal ulceration.
The objective of this study was to determine the pharmacokinetic parameters after a single intravenous administration of famotidine (0.6 mg/kg). Famotidine was administered to six healthy goats and plasma samples were collected over a 24-h period. The famotidine concentration was measured using reverse phase high-performance liquid chromatography (HPLC). Non-compartmental analysis was then used to determine the pharmacokinetic parameters. The maximum plasma concentration was estimated at 5476.68 ± 1530.51 ng/mL and elimination half-life was estimated at 18.455 ± 13.26 min. The mean residence time was determined to be 19.85 ± 12.14 min with the apparent volume of distribution being estimated at 321.924 ± 221.667. The area under the curve was determined to be 54230.08 ± 24947.6 min*ng/mL. Total exposure and elimination half-life were less than what has been reported in cattle and horses.
In conclusion, future research evaluating the pharmacokinetics of subcutaneous administration and looking at the pharmacodynamics of famotidine in goats is needed to determine the effectiveness of famotidine on raising pH levels of the abomasum.
Pharmacokinetics of famotidine in goats after intravenous administration. Olivia G Escher et al. J Vet Pharmacol Ther. 2024 May 8. doi: 10.1111/jvp.13449.
Source: https://onlinelibrary.wiley.com/doi/10.1111/jvp.13449
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