Effects of Light Treatment on Skin Recovery After Photodynamic Therapy
Author Information
Author(s): K. Benstead, J.V. Moore
Primary Institution: Paterson Institute for Cancer Research, Christie Hospital and Holt Radium Institute
Hypothesis
Does fractionation of light treatment spare normal tissue during photodynamic therapy?
Conclusion
Fractionating light treatment can reduce tissue damage and improve recovery in normal skin after photodynamic therapy.
Supporting Evidence
- Fractionation of light treatment reduced the incidence of necrosis in mouse tail skin.
- Blood flow returned to control values 5 days after treatment with appropriate intervals between light fractions.
- Recovery of normal tissue was observed when the time between light fractions was increased.
Takeaway
When treating skin with light, giving the treatment in smaller doses over time helps the skin heal better.
Methodology
BDF1 mice were injected with a photosensitizer and treated with light in different fractions to assess necrosis and blood flow recovery.
Limitations
The study was conducted on mice, which may not fully represent human responses.
Participant Demographics
9-12 week old male BDF1 mice
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.0001
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