P h a r m a c o k i n e t i c s a n d P h a r m a c o d y n a m i c s Pharmacokinetics and Pharmacodynamics o f N of Non-Steroidal Anti-Inflammatory Drugs S A I in Birds D s i n B i r d s Kris BAERT K r i s B A E R T Promotor: Prof. Dr. P. De Backer Department of Pharmacology, Pharmacy and Toxicology 2 0 Faculty of Veterinary Medicine 0 ISBN 90-5864-033-7 3 Ghent University Pharmacokinetics and Pharmacodynamics of Non-Steroidal Anti-Inflammatory Drugs in Birds Kris Baert Thesis submitted in fulfilment of the requirements for the degree of Doctor of Veterinary Science (PhD) Promotor : Prof. Dr. P. De Backer Department of Pharmacology, Pharmacy and Toxicology Salisburylaan 133, B-9820 Merelbeke ISBN 90-5864-033-7 Aan Bene, Lars en Paco CONTENTS List of abbreviations General introduction 1 Scientific aims 19 Chapter 1: Pharmacokinetics of non-steroidal anti-inflammatory drugs in birds 1.1. Different aspects of pharmacokinetics in birds 23 1.2. Comparative pharmacokinetics of three NSAIDs in birds 41 1.3. Biotransformation of salicylic acid in chickens and pigeons 69 Chapter 2: Pharmacodynamics of non-steroidal anti-inflammatory drugs in birds 2.1. The inflammatory response in birds 89 2.2. A subcutaneous inflammation model in chickens 105 2.3. An intravenous lipopolysaccharide inflammation model in chickens 123 Chapter 3 : General discussion 157 Summary / Samenvatting 173 Dankwoord 181 Curriculum vitae 185 LIST OF ABBREVIATIONS 5-HT 5-Hydroxy Tryptamine AA Arachidonic Acid APP Acute Phase Proteins AUC Area Under the Curve BK Bradykinin BW Body Weight CI Confidence Interval Cl Total Clearance C Maximum Concentration max cMGF chicken Myelomonocytic Growth Factor COX1 Cyclo-Oxygenase 1 COX2 Cyclo-Oxygenase 2 CSF Colony Stimulating Factor ELISA Enzyme Linked Immunosorbent Assay ESI Electrospray ionisation FLU Flunixin GA Gentisic Acic GI Gastro-intestinal HPLC High-Performance Liquid Chromatography HS Hard Shelled IL Interleukin IM Intramuscular IS Internal Standard IU International Units IV Intravenous k Elimination rate constant el LOD Limit Of Detection LOQ Limit Of Quantification LPS Lipopolysaccharide m/z Mass to charge ratio MEL Meloxicam MES Morpholino-Ethane Sulfonic acid MRL Maximum Residue Limit MRM Multiple Reaction Monitoring MRT Mean Residence Time MS Mass Spectrometry NMR Nuclear Magnetic Resonance NO Nitric Oxide NSAID Non-Steroidal Anti-Inflammatory Drug OAA Ortho-Anisic Acid ODA O-Dianisidine PAA Phenoxy Acetic Acid PG Prostaglandin PIR Piroxicam RT Retention Time SA Salicylic Acid SC Subcutaneous SD Standard Deviation SL Shell-less SO The ornithine conjugate of salicylic acid SS Soft Shelled SU Salicyluric Acid t Half-life of elimination 1/2el T Maximum Time max TNF Tumor Necrosis Factor TxB Thromboxane B 2 2 UF Ultrafiltration UV Ultraviolet V Volume of Distribution (calculated via the area method) d(area) WBC White Blood Cells GENERAL INTRODUCTION Translated and adapted from : Baert K., De Backer P. (2002) NSAIDs: Algemene aspecten en gebruik bij vogels. Vlaams Diergeneeskundig Tijdschrift 71, 117-124. Department of Pharmacology, Pharmacy and Toxicology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B-9820 Merelbeke, Belgium
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