期刊
PHARMACEUTICS
卷 14, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/pharmaceutics14081726
关键词
photodynamic therapy (PDT); actinic keratoses; combination; topical; systemic; laser
This study reviewed combination-based photodynamic therapy (PDT) treatments for multiple actinic keratoses (AKs), including topical, systemic, and mechanical-physical strategies. The study found that topical pretreatment with imiquimod, adapalene, 5-fluorouracil, and calcipotriol was more successful than PDT alone. Mechanical laser treatments and systemic treatment with Polypodium leucotomos were also effective.
Photodynamic therapy (PDT) is a highly effective and widely adopted treatment strategy for many skin diseases, particularly for multiple actinic keratoses (AKs). However, PDT is ineffective in some cases, especially if AKs occur in the acral part of the body. Several methods to improve the efficacy of PDT without significantly increasing the risks of side effects have been proposed. In this study, we reviewed the combination-based PDT treatments described in the literature for treating AKs; both post-treatment and pretreatment were considered including topical (i.e., diclofenac, imiquimod, adapalene, 5-fluorouracil, and calcitriol), systemic (i.e., acitretin, methotrexate, and polypodium leucotomos), and mechanical-physical (i.e., radiofrequency, thermomechanical fractional injury, microneedling, microdermabrasion, and laser) treatment strategies. Topical pretreatments with imiquimod, adapalene, 5-fluorouracil, and calcipotriol were more successful than PDT alone in treating AKs, while the effect of diclofenac gel was less clear. Both mechanical laser treatment with CO2 and Er:YAG (Erbium:Yttrium-Aluminum-Garnet) as well as systemic treatment with Polypodium leucotomos were also effective. Different approaches were relatively more effective in particular situations such as in immunosuppressed patients, AKs in the extremities, or thicker AKs. Conclusions: Several studies showed that a combination-based approach enhanced the effectiveness of PDT. However, more studies are needed to further understand the effectiveness of combination therapy in clinical practice and to investigate the role of acitretin, methotrexate, vitamin D, thermomechanical fractional injury, and microdermabrasion in humans.
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