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The Veterinary clinics of North America. Equine practice1999; 14(3); 659-viii; doi: 10.1016/s0749-0739(17)30191-8

Intralesional and topical chemotherapy and immunotherapy.

Abstract: Surgery is the mainstay of treatment for equine tumors. Conservative treatment approaches which preserve function and appearance are increasingly used in clinical practice. This article covers the principles and applications of two conservative treatment modalities including local chemotherapy and immunotherapy. The therapeutic benefit of local chemotherapy is based on the direct drug delivery to tumor tissue, i.e., topical and intratumoral administration of cytotoxic agents in slow release formulation. This treatment modality is very effective for cutaneous tumors and does not result in any permanent damage to normal tissue. Immunotherapy produces antitumor effects primarily through the action of natural host defense mechanisms against tumor cells. Although the use of immunotherapy is still under investigation there are many examples of its successful application to treatment of selected equine tumors.
Publication Date: 1999-01-19 PubMed ID: 9891729DOI: 10.1016/s0749-0739(17)30191-8Google Scholar: Lookup
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Summary

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The research article explores the benefits of conservative treatment modalities – specifically local chemotherapy and immunotherapy – in treating equine tumors. The study suggests that these methods are not only effective but also have minimal impact on normal tissue.

Conservative Treatment Modalities

In treating equine tumors, often the first line of treatment is surgery. But on certain occasions, to preserve the function and appearance, conservative treatment is preferred. This research article explores the effectiveness and application of two conservative treatment methods:

  • Local Chemotherapy
  • Immunotherapy

Local Chemotherapy

Local chemotherapy is based on delivering drugs directly to the tumor, either topically or through intratumoral administration of cytotoxic agents in slow-release formulations. The benefits of local chemotherapy highlighted by this research are:

  • Direct drug delivery targets the tumor more effectively, increasing the impact of the treatment.
  • It is particularly effective for cutaneous (skin-related) tumors.
  • The administration of therapeutic agents directly to the tumor minimizes their interaction with normal tissue, hence minimizing the risk of causing permanent damage.

Immunotherapy

Immunotherapy works against tumors by enhancing the body’s natural defense mechanisms to fight off cancer cells. Even though the research around immunotherapy’s effectiveness in treating equine tumors is ongoing, the article does provide examples of successful implementation. The notable features of immunotherapy are:

  • It enhances the host’s (patient’s) natural defenses, making it a more organic and less intrusive method.
  • Immunotherapy presents potential for the future with further research and trials to establish its effectiveness in a broader context.

Cite This Article

APA
Théon AP. (1999). Intralesional and topical chemotherapy and immunotherapy. Vet Clin North Am Equine Pract, 14(3), 659-viii. https://doi.org/10.1016/s0749-0739(17)30191-8

Publication

ISSN: 0749-0739
NlmUniqueID: 8511904
Country: United States
Language: English
Volume: 14
Issue: 3
Pages: 659-viii

Researcher Affiliations

Théon, A P
  • Department of Surgical and Radiological Sciences, School of Veterinary Medicine, University of California, Davis, USA.

MeSH Terms

  • Animals
  • Horse Diseases / drug therapy
  • Horse Diseases / therapy
  • Horses
  • Immunotherapy / veterinary
  • Skin Neoplasms / drug therapy
  • Skin Neoplasms / therapy
  • Skin Neoplasms / veterinary

Citations

This article has been cited 2 times.
  1. Wang L, Unger L, Sharif H, Eriksson S, Gerber V, Rönnberg H. Molecular characterization of equine thymidine kinase 1 and preliminary evaluation of its suitability as a serum biomarker for equine lymphoma.. BMC Mol Cell Biol 2021 Dec 14;22(1):59.
    doi: 10.1186/s12860-021-00399-xpubmed: 34906077google scholar: lookup
  2. Finlay M, Yuan Z, Morgan IM, Campo MS, Nasir L. Equine sarcoids: Bovine Papillomavirus type 1 transformed fibroblasts are sensitive to cisplatin and UVB induced apoptosis and show aberrant expression of p53.. Vet Res 2012 Dec 4;43(1):81.
    doi: 10.1186/1297-9716-43-81pubmed: 23210796google scholar: lookup