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Long-term efficacy data for daylight-PDT.

Carlota Gutiérrez García-Rodrigo1, Cristina Pellegrini1, Antonella Piccioni1

  • 1Department of Dermatology, University of L'Aquila, L'Aquila, Italy.

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This summary is machine-generated.

Daylight photodynamic therapy (DL-PDT) shows promising long-term efficacy for actinic keratosis (AKs), with low recurrence rates. Further research is needed to fully understand its effectiveness for other non-melanoma skin cancers.

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Area of Science:

  • Dermatology
  • Oncology
  • Photomedicine

Background:

  • Conventional photodynamic therapy (c-PDT) is a standard treatment for non-melanoma skin cancers (NMSC).
  • Daylight photodynamic therapy (DL-PDT) offers an alternative with improved patient comfort and shorter treatment times.
  • DL-PDT demonstrates comparable short-term efficacy to c-PDT for mild/moderate actinic keratosis (AKs) with better tolerability.

Purpose of the Study:

  • To evaluate the long-term efficacy of Daylight photodynamic therapy (DL-PDT) for treating skin conditions.
  • To assess recurrence rates associated with DL-PDT in patients with actinic keratosis (AKs).

Main Methods:

  • A systematic review of studies on DL-PDT long-term efficacy was conducted.
  • Searches included the MEDLINE database and manual reference checks up to February 2018.

Main Results:

  • Most studies had short follow-up periods (3-6 months).
  • Two randomized studies reported 12-month follow-up data for AK treatment, indicating long-term efficacy with recurrence rates between 8.7% and 13%.
  • Evidence for other NMSCs is limited and suggests lower efficacy compared to AKs.

Conclusions:

  • DL-PDT is a highly promising treatment for mild to moderate facial and scalp AKs.
  • Short-term efficacy of DL-PDT is comparable to c-PDT.
  • More research is necessary to fully elucidate the long-term efficacy of DL-PDT due to limited available data.