Photodynamic Therapy for Skin Tumors
Author Information
Author(s): D. Gilson, D. Ash, I. Driver, J.W. Feather, S. Brown
Primary Institution: University of Leeds
Hypothesis
How does the dose of photofrin II and light affect tumor response and skin damage in photodynamic therapy?
Conclusion
Photodynamic therapy is effective for treating superficial tumors, but the therapeutic ratio is low due to increased skin necrosis with higher doses.
Supporting Evidence
- The overall complete tumor response rate was 47%.
- Complete response rate was 74% for higher doses of photofrin II and light.
- Skin necrosis healed completely with minimal discomfort in all cases.
Takeaway
Doctors used a special light and medicine to treat skin tumors in six patients, and while it worked well, it also caused some skin damage.
Methodology
Patients received varying doses of photofrin II and were treated with red light; tumor response and skin necrosis were assessed.
Limitations
The study had a small sample size and focused only on superficial tumors.
Participant Demographics
Patients had various types of skin tumors, including squamous carcinoma and melanoma.
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