Dr. Jon Fletcher
Associate Professor
Veterinary Clinical Sciences (VCS)
(225) 578-9600

Biography:
Dr. Fletcher received his DVM in 2005 from Louisiana State University. He completed a rotating internship in small animal medicine and surgery at Auburn University before returning to LSU to complete his small animal internal medicine residency. Following his residency, he worked in a private specialty hospital in New Orleans four years before having the opportunity to join the faculty at Louisiana State University in 2012. His clinical and research interests include the prevention and management of small animal endocrine and metabolic diseases as well as diagnostic endocrine testing.

Teaching Interests:
Endocrinology, Internal Medicine

Research Interests:
Feline obesity and diabetes mellitus: pathogenesis, treatment and prevention. Endocrine diseases of dogs and cats Diagnostic endocrinology

 Awards & Honors:
  • 2018 Dean's Teacher Merit Honor Roll
  • 2018 Dean's Teacher Merit Honor Roll
  • 2017 Dean's Teacher Merit Honor Roll
  • 2017 Dean's Teacher Merit Honor Roll
  • 2016 Rising Faculty Research Award
  • 2016 Dean's Teacher Merit Honor Roll
  • 2016 Dean's Teacher Merit Honor Roll
  • 2015 Dean's Teacher Merit Honor Roll
  • 2015 Dean's Teacher Merit Honor Roll
  • 2014 Dean's Teacher Merit Honor Roll
  • 2014 Dean's Teacher Merit Honor Roll
  • 2013 Phi Zeta Honor Society
 Education:
  • Diplomate American College of Veterinary Internal Medicine- Small Animal
  • DVM Louisiana State University
 Grants:
  • Evaluation of pre- pill cortisol blood levels for long term monitoring of dogs with hyperadrenocorticism treated with Vetoryl, Dechra Pharmaceuticals, $62,899.00
  • Ultrasonographic evaluation of the effects of azithromycin on antral motility and gastric emptying in cats, LSU School of Veterinary Medicine,
  • Stability of ACTH in frozen equine plasma, Boehringer-Ingelheim, $13,125.00
  • Pharmacokinetics and pharmacodynamics of a long-acting species specific GLP-1 analog in healthy, overweight cats., Kindred Biosciences, Inc., $251,604.00
  • Determining the effects of chronic obesity on glucose homeostasis, glucose tolerance, and other associated metabolic parameters in cats with naturally occurring obesity., Veterinary Clinical Sciences Departmental Competitive Organized Research Program, $4,000.00
  • Use of the glucose clamp method to determine the pharmacodynamic properties of insulin aspart, VCS Competitive Organized Research Program, $4,000.00
 Publications:
Journal Article, Professional Journal:
  • Long Term Survival and Glycemic Control with Toceranib Phosphate and Prednisone for a Metastatic Canine Insulinoma, Flesner, Brian; Boudreaux, Bonnie; Smithee, Taylor; Fletcher, Jon, 2019, Journal of the American Animal Hospital Association
  • Outcomes in dogs with uroabdomen: 43 cases (2006 - 2015), Fletcher, Jon; Grimes, Janet; Schmiedt , Chad, 2018, Journal of the American Veterinary Medical Association , Number: 252, Pages: 92-97
Scientific Abstract:
  • Effects of EDTA on chemiluminescent immunoassay measurement of ACTH, cortisol, and thyroid hormones in dogs. , Hirsch, Aubrey; Fletcher, Jon; Mitchell, Mark, 2018
  • Pituitary-Dependent hyperadrenocorticism and cholangiohepatitis in a guinea pig, Ghindea, Hannah; Stohr, Anke; Fletcher, Jon; Wakamatsu, Nobuko; Elliott, Jacqueline; Tully, Thomas, 2018
  • Effect of metoclopramide, erythromycin, and exenatide on solid phase gastric emptying in healthy cats., Husnik, Roman; Fletcher, Jon; Gaschen, Lorrie; Gaschen, Frederic, 2018
  • Effects of EDTA on chemiluminescent immunoassay measurement of ACTH, cortisol, and thyroid hormones in dogs. , Hirsch, Aubrey; Mitchell, Mark; Fletcher, Jon, 2018
  • Adrenocorticotropin hormone response to varying dosages of thyrotropin releasing hormone in normal horses. Dorothy Russell Havemeyer International Equine Endocrinology Summit, Chapman, Ann; Ainsworth, Sarah; Keowen, Michael; Fletcher, Jon; Liu, Chin Chi, 2017
  • Outcomes in dogs with uroabdomen: Retrospective analysis of forty-three cases, Fletcher, Jon; Grimes, Janet; Schmiedt , Chad, 2016
  • Exogenous thyrotoxicosis secondary to consumption of a commercial all-meat jerky treat in two dogs from the same household, Hirsch, Aubrey, 2016
  • Pharmacodynamic and pharmacokinetic properties of insulin aspart following subcutaneous and intramuscular injection in cats, Pipe-Martin, Hannah; Fletcher, Jon; Gilor, Chen, 2016
  • Using purified feline insulin to evaluate cross-reactivity with a human insulin analog ELISA, Fletcher, Jon; Pipe-Martin, Hannah; Liu, Chin-Chi, 2016
  • Validation of ultrasonographic measurement of gastric emptying time in healthy cats using radionuclide scintigraphy, Fletcher, Jon; Husnik, Roman; Gaschen, Lorrie; Gaschen, Frederic, 2016
Journal Article, Academic Journal:
  • Pharmacodynamics and pharmacokinetics of insulin aspart assessed by use of the isoglycemic clamp method in healthy cats., Pipe-Martin, H; Fletcher, Jon; Gilor, C; Mitchell, Mark, 2018, Domestic animal endocrinology , Volume: 62, Pages: 60-66
  • Validation of Ultrasonography for Assessment of Gastric Emptying Time in Healthy Cats by Radionuclide Scintigraphy., Husnik, Roman; Fletcher, Jon; Gaschen, Lorrie; Gaschen, Frederic, 2017, Journal of Veterinary Internal Medicine , Volume: 31, Number: 2, Pages: 394-401
  • Hypersomatotropism in three cats without concurrent diabetes mellitus, Fletcher, Jon; Scudder, Christopher; Kiupel, Matti; Pipe-Martin, Hannah; Kenny, Patrick ; Mantis, Panagiotis; Fenn, Joe; Smith, Ken; Blair, Robert; Granger, L.; Niessen, Stijn, 2016, Journal of Veterinary Internal Medicine , Volume: 30, Number: 4, Pages: 1216-1221
  • Hypersomatotropism in 3 Cats without Concurrent Diabetes Mellitus., Fletcher, Jon; Scudder, C; Kiupel, M; Pipe-Martin, Hannah; Kenny, P; Mantis, P; Fenn, J; Smith, K; Blair, R; Granger, L.; Niessen, S, 2016, Journal of veterinary internal medicine , Volume: 30, Number: 4, Pages: 1216-21
  • Sepsis and multi-organ dysfunction associated with post-grooming furunculosis in a dog, Pucheu-Haston, Cherie; Pipe-Martin, Hannah; Peterson, Tiffany; Lane, Martha; Fletcher, Jon; Langohr, Ingeborg; Gaschen, Frederic, 2016, Veterinary Dermatology , Volume: 27, Number: 3, Pages: 198-201
  • Cytologic diagnosis of Heterobilharzia americana infection in a liver aspirate from a dog, Grasperge, Britton; Le Donne, Viviana; Fletcher, Jon; McGovern, Diana, 2016, Veterinary Pathology , Volume: 53, Number: 3, Pages: 633-636
  • What's your diagnosis? Mediastinal Shift, Rademacher, Nathalie; LaRue, Michelle ; Pipe-Martin, Hannah; Fletcher, Jon; Boudreaux, Bonnie; Langohr, Ingeborg, 2016, Journal of the American Veterinary Medical Association , Volume: 248, Number: 5, Pages: 489-91
  • Persistent Right Aortic Arch with an Aberrant Left Subclavian Artery, Kommerell's Diverticulum, and Bicarotid Trunk in a Three-year-old Cat, Shannon, Dylan; Husnik, Roman; Fletcher, Jon; Middleton, Grant; Gaschen, Lorrie, 2015, Journal of Feline Medicine and Surgery
  • What is Your Diagnosis? Blood smear from a cat , Gaunt, Stephen; Leissinger, Mary; Walton, Stuart; Fletcher, Jon, 2014, Veterinary Clinical Pathology , Volume: 43, Pages: 465-466
  • Glucose detection and concentration estimation in feline urine samples with the Bayer Multistix and Purina Glucotest., Fletcher, Jon; Behrend, E; Welles, E; Lee, H; Hosgood, G, 2011, Journal of feline medicine and surgery , Volume: 13, Number: 10, Pages: 705-11
Book, Textbook Chapter:
  • Upper Respiratory Infection, Cat, Fletcher, Jon, 2014, Publisher: Elsevier
Journal Article, Public or Trade Journal:
  • Case Reports from the LSU Veterinary Teaching Hospital: Congenital Hypothyroidism in Littermate Labradors, Ryan, Kirk; Pipe-Martin, Hannah; Fletcher, Jon, 2014