Actinic keratosis (AK) is a pre-cancerous condition characterised by patches of thick, scaly skin developing on sun-exposed areas of the body. When multiple AKs develop on severely photodamaged skin, commonly used treatments include photodynamic therapy and diclofenac plus hyaluronic acid gel (DHA). Methyl aminolevulinate daylight photodynamic therapy (MAL DL-PDT) is an alternative to conventional photodynamic therapy (MAL c-PDT). Trials have indicated that MAL DL-PDT is as effective as MAL c-PDT but reduces treatment-related pain and dermatological side effects. To indirectly compare between MAL DL-PDT and DHA in patients with AK. A total of three randomised trials were collected using a systematic literature review. An adjusted indirect comparison was conducted on complete lesion response rate at 12 weeks. The data indicated that mild lesions, moderate lesions, and mild and moderate lesions treated with MAL DL-PDT were more than four times more likely to undergo a complete response than lesions treated with DHA at 12 weeks, with ORs ranging from 4.23 to 4.81. Results were all statistically significant. This is the first indirect comparison demonstrating the effectiveness of MAL-PDT over DHA for the treatment of AK, and further research is needed to assess the long-term efficacy of these interventions (i.e. six months and beyond), as well as safety and patient-reported outcomes.

Bucher's indirect comparison of daylight photodynamic therapy with methyl aminolevulinate cream versus diclofenac plus hyaluronic acid gel for the treatment of multiple actinic keratosis

CALZAVARA PINTON, Piergiacomo;
2016-01-01

Abstract

Actinic keratosis (AK) is a pre-cancerous condition characterised by patches of thick, scaly skin developing on sun-exposed areas of the body. When multiple AKs develop on severely photodamaged skin, commonly used treatments include photodynamic therapy and diclofenac plus hyaluronic acid gel (DHA). Methyl aminolevulinate daylight photodynamic therapy (MAL DL-PDT) is an alternative to conventional photodynamic therapy (MAL c-PDT). Trials have indicated that MAL DL-PDT is as effective as MAL c-PDT but reduces treatment-related pain and dermatological side effects. To indirectly compare between MAL DL-PDT and DHA in patients with AK. A total of three randomised trials were collected using a systematic literature review. An adjusted indirect comparison was conducted on complete lesion response rate at 12 weeks. The data indicated that mild lesions, moderate lesions, and mild and moderate lesions treated with MAL DL-PDT were more than four times more likely to undergo a complete response than lesions treated with DHA at 12 weeks, with ORs ranging from 4.23 to 4.81. Results were all statistically significant. This is the first indirect comparison demonstrating the effectiveness of MAL-PDT over DHA for the treatment of AK, and further research is needed to assess the long-term efficacy of these interventions (i.e. six months and beyond), as well as safety and patient-reported outcomes.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11379/485144
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