Single and multiple-dose pharmacokinetics of meloxicam after oral administration to the rabbit (Oryctolagus cuniculus)

J Zoo Wildl Med. 2009 Dec;40(4):601-6. doi: 10.1638/2007-0115.1.

Abstract

The nonsteroidal anti-inflammatory drug (NSAID) meloxicam is a very popular anti-inflammatory, analgesic, and antipyretic agent used in veterinary medicine. To determine the pharmacokinetics of this NSAID in rabbits following a single dose and 10-day period of dosing, eight clinically normal, 8-mo-old New Zealand white rabbits (Oryctolagus cuniculus) were administered 0.2 mg/kg meloxicam p.o. daily. Pharmacokinetic analysis of the meloxicam was determined via noncompartmental analysis. After oral administration, mean +/- standard deviation values for area under the curve were 1.8 +/- 0.50 and 2.1 +/- 0.55 microg x h/ml, and maximum plasma concentrations were 0.17 +/- 0.06 and 0.24 +/- 0.07 microg/ml for Day 1 and Day 10, respectively. The half-life was approximately 8 hr. Administration of meloxicam at a dosage of 0.2 to 0.3 mg/kg p.o. every 24 hr is suggested. Although a higher dose may be required for optimum effects, this would require efficacy and safety studies in this species. Meloxicam administered at 0.2 mg/kg p.o. daily for 10 day was well tolerated by the rabbits.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Administration, Oral
  • Animals
  • Anti-Inflammatory Agents, Non-Steroidal / administration & dosage
  • Anti-Inflammatory Agents, Non-Steroidal / blood
  • Anti-Inflammatory Agents, Non-Steroidal / pharmacokinetics*
  • Area Under Curve
  • Drug Administration Schedule
  • Female
  • Half-Life
  • Meloxicam
  • Rabbits
  • Thiazines / administration & dosage
  • Thiazines / blood
  • Thiazines / pharmacokinetics*
  • Thiazoles / administration & dosage
  • Thiazoles / blood
  • Thiazoles / pharmacokinetics*

Substances

  • Anti-Inflammatory Agents, Non-Steroidal
  • Thiazines
  • Thiazoles
  • Meloxicam