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Ambulatory photodynamic therapy using low irradiance inorganic light-emitting diodes for the treatment of non-melanoma skin cancer

Ambulatory photodynamic therapy using low irradiance inorganic light-emitting diodes for the treatment of non-melanoma skin cancer : An open study

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Original languageEnglish
Pages235-239
Number of pages5
JournalPhotodermatology, Photoimmunology & Photomedicine
Journal publication date2012
Journal number5
Volume28
DOIs
StatePublished

Abstract

Background/Purpose: Conventional photodynamic therapy (PDT) can be inconvenient and uncomfortable. We studied low irradiance PDT using an ambulatory inorganic light-emitting diode. Methods: Fifty-three patients with 61 lesions [superficial basal cell carcinoma (n=30), Bowen's disease (n=30), and actinic keratosis (AK; n=1)] were studied. Two treatments of ambulatory PDT were undertaken 1 week apart (one treatment for AK). Clinical response was determined at 3 months, and the treatment cycle was repeated if there was residual disease. The endpoints assessed were pain during treatment (numerical rating scale (NRS); 0-10) and outcome at 1 year. Twenty-three of these patients also received conventional PDT to separate lesions. Results: The median NRS pain scores during first and second treatment were 2 (range 0-9) and 4 (0-9), respectively. Lesion clearance rate at 1 year after ambulatory PDT was 84% (21/25 lesions in 22 patients). Of the twenty-three patients treated with both ambulatory and conventional PDT, the median NRS was 1 (0-7) and 5 (1.5-9), respectively, with most patients preferring ambulatory PDT. Conclusion: Ambulatory PDT is effective for superficial non-melanoma skin cancer, with 1 year clearance rates comparative to conventional PDT. Low irradiance ambulatory PDT may be less painful and more convenient than conventional PDT. © 2012 John Wiley & Sons A/S.

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