Use of firocoxib for the treatment of equine osteoarthritis.
Abstract: This review presents the pathogenesis and medical treatment of equine osteoarthritis (OA), focusing on firocoxib. Inhibition of prostaglandin E remains a fundamental treatment for decreasing clinical symptoms (ie, pain and lameness) associated with OA in horses. Nonsteroidal anti-inflammatory drugs (NSAIDs), which inhibit the production of prostaglandin E from the arachidonic acid pathway, continue to be a mainstay for the clinical treatment of OA. Firocoxib is a cyclooxygenase (COX)-2-preferential NSAID that has been shown to be safe and to have a 70% oral bioavailability in the horse. Three clinical reports identified symptom-modifying effects (reduction in pain and/or lameness) in horses with OA administered the once-daily recommended dose (0.1 mg/kg) of oral firocoxib following 7 days of administration. Other reports have suggested that a one-time loading dose (0.3 mg/kg) of firocoxib provides an earlier (1-3 days) onset of action compared to the recommended dose. It is noteworthy that OA disease-modifying effects have been reported in horses for other COX-2-preferential NSAIDs (meloxicam and carprofen), but have not been attributed to firocoxib due to a lack of investigation to date.
© 2014 Donnell and Frisbie.
Publication Date: 2014-11-04 PubMed ID: 32670856PubMed Central: PMC7337192DOI: 10.2147/VMRR.S70207Google Scholar: Lookup
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Summary
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The research article delves into the methods and benefits of treating equine osteoarthritis with a drug called firocoxib. It discusses the reduction of symptoms and the necessity for further research to understand its potential as a disease-modifying drug.
Understanding the Pathogenesis and Medical Treatment of Equine Osteoarthritis
- The paper discusses the pathogenesis (the biological mechanism that leads to a disease) and medical treatment of equine osteoarthritis, which involves inflammation and degeneration of joints in horses.
- It highlights the inhibition of a compound called prostaglandin E as a crucial part of managing symptoms like pain and lameness in horses afflicted with osteoarthritis.
The Role of NSAIDs and Firocoxib in Treatment
- Nonsteroidal anti-inflammatory drugs (NSAIDs) are usually used to inhibit the production of prostaglandin E from the arachidonic acid pathway. This is necessary because prostaglandin E can cause inflammation and pain.
- The paper explores the use of firocoxib, a ‘COX-2-preferential’ NSAID, which means it mainly inhibits the COX-2 enzyme responsible for producing prostaglandins.
- Firocoxib has been found to be safe for use in horses, and approximately 70% of the drug is available in the body for therapeutic effect after oral administration, a characteristic known as oral bioavailability.
The Impact and Dosage of Firocoxib
- Three clinical reports mentioned in the paper show that firocoxib can effectively reduce symptoms such as pain and lameness when given once daily for seven days.
- A one-time loading dose can bring about improvement within a faster timeframe—1 to 3 days—as compared to smaller doses.
The Need for Further Investigation
- The paper highlights that while other COX-2-preferential NSAIDs like meloxicam and carprofen have shown significant disease-modifying effects, similar in-depth studies have not been conducted for firocoxib. This signals a need for further research to understand firocoxib’s full potential in treating equine osteoarthritis.
Cite This Article
APA
Donnell JR, Frisbie DD.
(2014).
Use of firocoxib for the treatment of equine osteoarthritis.
Vet Med (Auckl), 5, 159-168.
https://doi.org/10.2147/VMRR.S70207 Publication
Researcher Affiliations
- Department of Clinical Sciences, Orthopedic Research Center, Colorado State University, Fort Collins, CO, USA.
- Department of Clinical Sciences, Orthopedic Research Center, Colorado State University, Fort Collins, CO, USA.
Conflict of Interest Statement
None of the authors has a financial interest or a personal relationship with other people or organizations that could inappropriately influence or bias the content of this review article.
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Citations
This article has been cited 1 times.- Fadel C, Giorgi M. Synopsis of the pharmacokinetics, pharmacodynamics, applications, and safety of firocoxib in horses.. Vet Anim Sci 2023 Mar;19:100286.
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