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A biological approach to mucositis.

Stephen T Sonis1

  • 1Division of Oral Medicine at Brigham and Women's Hospital and the Dana-Farber Cancer Institute, Boston, Massachusetts, USA. ssonis@partners.org

The Journal of Supportive Oncology
|August 28, 2004
PubMed
Summary

Oral mucositis, a severe side effect of cancer treatments, causes significant patient distress and treatment complications. Understanding its five-phase progression offers new therapeutic targets for effective interventions.

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Area of Science:

  • Oncology
  • Gastroenterology
  • Pharmacology

Background:

  • Oral mucositis is a frequent and debilitating toxicity of head and neck radiation and chemotherapy.
  • It leads to severe symptoms, adverse health outcomes, and economic burdens.
  • The lack of effective treatments necessitates research into mechanism-based interventions.

Purpose of the Study:

  • To elucidate the pathophysiologic progression of oral mucositis.
  • To identify potential therapeutic targets within the molecular and cellular pathways of mucosal injury.

Main Methods:

  • Review of current understanding of oral mucositis pathogenesis.
  • Analysis of the dynamic sequence of events leading to mucosal injury.

Main Results:

  • Oral mucositis results from a dynamic sequence of events involving all mucosal cells and tissues.
  • The progression is characterized by five distinct phases: initiation, upregulation and message generation, signaling and amplification, ulceration, and healing.

Conclusions:

  • Each phase of oral mucositis progression presents a potential target for therapeutic intervention.
  • Further research into these phases may lead to the development of novel treatments.

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