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Related Experiment Videos

Preemptive pharmacologic intervention in radiation-induced salivary dysfunction.

S E Taylor1, E G Miller

  • 1Department of Oral & Maxillofacial Surgery and Pharmacology, Baylor College of Dentistry-The Texas A & M University System, Dallas, Texas 75246, USA. staylor@tambcd.edu

Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)
|May 13, 1999
PubMed
Summary

Radiation therapy for head and neck cancer can cause severe dry mouth (xerostomia) by damaging salivary glands. Research explores protecting these glands during treatment, showing promising early clinical trial results.

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Clinical oncology (Royal College of Radiologists (Great Britain))·2020

Area of Science:

  • Oncology
  • Radiology
  • Dentistry
  • Pathophysiology

Background:

  • Xerostomia (dry mouth) is a common side effect of pharmacotherapy and cancer treatments.
  • Severe salivary dysfunction, including xerostomia, often results from damage or loss of salivary acinar cells.
  • Therapeutic irradiation for head and neck cancer or bone marrow transplantation can cause significant iatrogenic salivary gland destruction.

Purpose of the Study:

  • To review the pathophysiology of radiation-induced salivary damage in humans and animals.
  • To discuss animal studies investigating strategies to modify and clarify this process.
  • To present early clinical trial results on protecting salivary glands during therapeutic irradiation.

Main Methods:

  • Review of human and animal pathophysiology of radiation-induced salivary damage.

Related Experiment Videos

  • Discussion of animal studies using various strategies to modify radiation-induced salivary damage.
  • Analysis of early clinical trial data on salivary gland protection during irradiation.

    • Main Results:

    • Salivary glands are highly radiosensitive, though the mechanism is not fully understood.
    • Radiation-induced salivary damage can lead to debilitating xerostomia, affecting nutrition and speech.
    • Early clinical trials suggest potential for protecting salivary glands during therapeutic irradiation.

    Conclusions:

    • Radiation-induced salivary gland damage is a significant clinical problem, leading to xerostomia.
    • Animal studies provide insights into the mechanisms and potential protective strategies.
    • Emerging clinical evidence suggests that salivary gland protection during irradiation may be achievable.