Photodynamic therapy for skin carcinomas: A systematic review and meta-analysis

BackgroundPhotodynamic therapy (PDT) is increasingly used for the treatment of basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). However, it is unknown whether photodynamic therapy is more effective than other commonly used treatment modalities for these cancers.PurposeThe aim of this st...

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Main Authors: Yun Ou-Yang, Yaowu Zheng, Kerry E. Mills
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-01-01
Series:Frontiers in Medicine
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmed.2023.1089361/full
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author Yun Ou-Yang
Yaowu Zheng
Kerry E. Mills
author_facet Yun Ou-Yang
Yaowu Zheng
Kerry E. Mills
author_sort Yun Ou-Yang
collection DOAJ
description BackgroundPhotodynamic therapy (PDT) is increasingly used for the treatment of basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). However, it is unknown whether photodynamic therapy is more effective than other commonly used treatment modalities for these cancers.PurposeThe aim of this study was to determine the relative efficacy and safety of PDT compared with placebo or other interventions for the treatment of skin carcinomas.MethodsSearches were performed in PubMed, Web of Science, Embase, and the Cochrane Central Register of Controlled Trials databases. We included randomized controlled trials comparing the PDT with other interventions in adults skin BCC or SCC that reported on lesion response, recurrence, cosmetic appearance, or safety outcomes.ResultsSeventeen unique randomized controlled trials, representing 22 study arms from 21 publications were included. The included trials included 2,166 participants, comparing methyl aminolevulinic (MAL) PDT (six studies) or aminolevulinic acid (ALA) PDT (two studies). Comparators included placebo, surgery, hexaminolevulinic (HAL) PDT, erbium: yttrium-aluminum-garnet ablative factional laser (YAG-AFL) PDT, fluorouracil, and imiquimod. There were few studies available for each comparison. Mantel-Haenszel fixed effects risk ratios were calculated for response, recurrence, cosmetic outcomes, and adverse events. MAL-PDT had similar response rates to surgery, ALA-PDT, fluorouracil and imiquimod at 3- and 12 months post-intervention. The rate of recurrence was similar, showing few differences at 12 months, but at later time points (24–60 months), fewer lesions recurred with surgery and imiquimod than with PDT. PDT also caused more adverse events and pain than other interventions. However, PDT treatment was more likely to receive a “good” or “excellent” rating for cosmetic appearance than surgery or cryotherapy.ConclusionThis systematic review and meta-analysis demonstrates that the choice of treatment modality for BCC or SCC is best chosen in the context of the location and size of the lesion, the socioeconomic circumstances of the patient, as well as the patient’s preferences. We call for more high quality studies to be done, in order to enable more reliable interpretations of the data.Systematic review registrationhttps://www.crd.york.ac.uk/prospero/display_record.php?RecordID=368626, identifier CRD42022368626.
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spelling doaj.art-b692b8bf346e45ed96b9745c369497172023-01-19T06:49:29ZengFrontiers Media S.A.Frontiers in Medicine2296-858X2023-01-011010.3389/fmed.2023.10893611089361Photodynamic therapy for skin carcinomas: A systematic review and meta-analysisYun Ou-Yang0Yaowu Zheng1Kerry E. Mills2Department of Information, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, ChinaGuangdong Nuohui Hospital Management LLC, Guangzhou, ChinaDepartment of Science and Technology, University of Canberra, Bruce, ACT, AustraliaBackgroundPhotodynamic therapy (PDT) is increasingly used for the treatment of basal cell carcinoma (BCC) and squamous cell carcinoma (SCC). However, it is unknown whether photodynamic therapy is more effective than other commonly used treatment modalities for these cancers.PurposeThe aim of this study was to determine the relative efficacy and safety of PDT compared with placebo or other interventions for the treatment of skin carcinomas.MethodsSearches were performed in PubMed, Web of Science, Embase, and the Cochrane Central Register of Controlled Trials databases. We included randomized controlled trials comparing the PDT with other interventions in adults skin BCC or SCC that reported on lesion response, recurrence, cosmetic appearance, or safety outcomes.ResultsSeventeen unique randomized controlled trials, representing 22 study arms from 21 publications were included. The included trials included 2,166 participants, comparing methyl aminolevulinic (MAL) PDT (six studies) or aminolevulinic acid (ALA) PDT (two studies). Comparators included placebo, surgery, hexaminolevulinic (HAL) PDT, erbium: yttrium-aluminum-garnet ablative factional laser (YAG-AFL) PDT, fluorouracil, and imiquimod. There were few studies available for each comparison. Mantel-Haenszel fixed effects risk ratios were calculated for response, recurrence, cosmetic outcomes, and adverse events. MAL-PDT had similar response rates to surgery, ALA-PDT, fluorouracil and imiquimod at 3- and 12 months post-intervention. The rate of recurrence was similar, showing few differences at 12 months, but at later time points (24–60 months), fewer lesions recurred with surgery and imiquimod than with PDT. PDT also caused more adverse events and pain than other interventions. However, PDT treatment was more likely to receive a “good” or “excellent” rating for cosmetic appearance than surgery or cryotherapy.ConclusionThis systematic review and meta-analysis demonstrates that the choice of treatment modality for BCC or SCC is best chosen in the context of the location and size of the lesion, the socioeconomic circumstances of the patient, as well as the patient’s preferences. We call for more high quality studies to be done, in order to enable more reliable interpretations of the data.Systematic review registrationhttps://www.crd.york.ac.uk/prospero/display_record.php?RecordID=368626, identifier CRD42022368626.https://www.frontiersin.org/articles/10.3389/fmed.2023.1089361/fullbasal cell carcinomasquamous cell carcinomaphotodynamic therapyskin cancersystematic reviewmeta-analysis
spellingShingle Yun Ou-Yang
Yaowu Zheng
Kerry E. Mills
Photodynamic therapy for skin carcinomas: A systematic review and meta-analysis
Frontiers in Medicine
basal cell carcinoma
squamous cell carcinoma
photodynamic therapy
skin cancer
systematic review
meta-analysis
title Photodynamic therapy for skin carcinomas: A systematic review and meta-analysis
title_full Photodynamic therapy for skin carcinomas: A systematic review and meta-analysis
title_fullStr Photodynamic therapy for skin carcinomas: A systematic review and meta-analysis
title_full_unstemmed Photodynamic therapy for skin carcinomas: A systematic review and meta-analysis
title_short Photodynamic therapy for skin carcinomas: A systematic review and meta-analysis
title_sort photodynamic therapy for skin carcinomas a systematic review and meta analysis
topic basal cell carcinoma
squamous cell carcinoma
photodynamic therapy
skin cancer
systematic review
meta-analysis
url https://www.frontiersin.org/articles/10.3389/fmed.2023.1089361/full
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AT yaowuzheng photodynamictherapyforskincarcinomasasystematicreviewandmetaanalysis
AT kerryemills photodynamictherapyforskincarcinomasasystematicreviewandmetaanalysis