Approaches to Field Therapy for Actinic Keratoses: Relating Clinical Trial Results to Real-world Practice-A Commentary.

There have been multiple direct and indirect comparison studies evaluating different field therapies used in the treatment of actinic keratosis (AK). A recent clinical trial directly compared 5% fluorouracil (5-FU), imiquimod, ingenol mebutate, and methyl aminolevulinate photodynamic therapy (MAL-PDT), reporting that 5-FU was superior to the other treatments in achieving sustained clearance of 75 percent or greater of AK lesions compared to baseline. In this commentary, the author reviews and discusses the methods and results of this comparison study and propose these results are limited by a number of factors, such as the selected primary % clearance endpoint, grade range of included AKs, and treatments included in the comparison, when considered in the context of other clinical and real-world comparison studies evaluating AK field therapies. The author postulates that patient acceptance of and adherence to field therapy regimens for the treatment of AK may be better evaluated in a real-world setting. Additionally, the author suggests that selection of field therapy in the treatment of AK should be driven by consideration of relevant patient-, disease-, and treatment-related factors, and what is considered best may differ from patient to patient, depending on each patient's individual needs and expectations.

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DISCLOSURES: The author reports no conflicts of interest relevant to the content of this article.