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Related Experiment Videos

What have we learnt from hyperbaric oxygen?

S Dische1

  • 1Marie Curie Research Wing, Regional Centre for Radiotherapy and Oncology, Mount Vernon Hospital, Northwood, Middlesex, England.

Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology
|January 1, 1991
PubMed
Summary
This summary is machine-generated.

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Hyperbaric oxygen therapy for radiotherapy showed mixed results, with some benefit but also increased normal tissue effects. Carbogen breathing in animal models offers a promising alternative for hypoxic cell radiosensitization.

Area of Science:

  • Oncology
  • Radiotherapy Research
  • Oxygen Therapy

Background:

  • Radiotherapy efficacy is often limited by tumor hypoxia.
  • Hyperbaric oxygen (HBO) has been investigated as a method to overcome hypoxia.
  • Previous clinical trials on HBO in radiotherapy have shown variable results.

Purpose of the Study:

  • To evaluate the efficacy of hyperbaric oxygen in radiotherapy.
  • To explore alternative methods for hypoxic cell radiosensitization.

Main Methods:

  • Review of 15 randomized controlled clinical trials of hyperbaric oxygen in radiotherapy.
  • Assessment of animal tumor models using carbogen breathing.

Main Results:

  • Three trials showed highly significant benefit from hyperbaric oxygen.

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  • Six trials demonstrated useful, but not statistically significant, benefit.
  • Increased tumor control with hyperbaric oxygen was counteracted by increased normal tissue effects.
  • Carbogen breathing in animal models demonstrated high efficiency.

    • Conclusions:

    • Hyperbaric oxygen therapy offers limited and potentially problematic benefits in radiotherapy.
    • Carbogen breathing presents a promising and efficient strategy for hypoxic cell radiosensitization in future human applications.