Journal
PHOTODERMATOLOGY PHOTOIMMUNOLOGY & PHOTOMEDICINE
Volume 39, Issue 4, Pages 384-391Publisher
WILEY
DOI: 10.1111/phpp.12870
Keywords
actinic keratosis; controlled trial; Fernblock; oral photoprotection
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This study investigates the effectiveness of self-administered sun protection, topical treatment, and topical + oral treatment in managing Actinic Keratosis (AK) in elderly individuals with severe actinic damage. The results suggest that the combination of topical and oral treatment provides the best improvement in clinical and anatomical outcomes compared to other treatment options.
IntroductionThis study describes a prospective, multicentre, randomized controlled, open-label study with three arms aimed at studying the differences between: [Cnt], self-administered sun protection; [T], topical treatment; and [TO], topical + oral treatment; for the management of Actinic Keratosis (AK) in a cohort of subjects of advanced age displaying severe actinic damage (SAD). MethodsTreatments administered to groups [T] and [TO] had a common component, which is a botanical extract, Fernblock, with demonstrated photoprotective activity. ResultsIn total, 131 subjects were distributed randomly in the three groups, and followed up clinically at three separate time points, beginning of the study (t = 0) and after 6 and 12 months. Analysis of clinical data and examination using reflectance confocal microscopy (RCM) revealed that group [T] and [TO] displayed decreased clinical AK and field cancerization parameters, including the number of new lesions, and reduced the need for additional interventions in these patients. RCM revealed normalization of the keratinocyte layer. Improvements in AK and field cancerization parameters were greatest in the group [TO], suggesting that topical and oral photoprotection improves the clinical and anatomical outcome compared to control conditions. ConclusionsThe combination of topical and oral immune photoprotection provides an advantage compared to topical photoprotection alone.
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