Using Light to Treat Skin Tumors
Author Information
Author(s): C.P. Lowdell, D.V. Ash, I. Driver, S.B. Brown
Primary Institution: University of Leeds
Hypothesis
Can interstitial photodynamic therapy (PDT) using diffusing fibres improve treatment outcomes for cutaneous and subcutaneous tumors?
Conclusion
Interstitial photodynamic therapy showed a 52% complete response rate for tumors treated, with higher doses leading to better outcomes.
Supporting Evidence
- The complete response rate for all tumors treated interstitially was 52%.
- Complete response rates increased to 81% with higher drug and light doses.
- The overall incidence of skin necrosis was 32%, lower than that seen with superficial PDT.
- All treatments were well tolerated with no significant photosensitivity.
Takeaway
Doctors used special light therapy to treat skin tumors, and it worked well for more than half of the patients.
Methodology
Nine patients with 50 tumors were treated using interstitial PDT with cylindrical diffusing fibres and varying light doses.
Limitations
The study had a small sample size and limited follow-up time.
Participant Demographics
Patients aged 46-79, with a mean age of 66, included those with breast and lung cancers.
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