The impact of occlusive vs non-occlusive application of 5-aminolevulinic acid (BF-200 ALA) on the efficacy and tolerability of photodynamic therapy for actinic keratosis on the scalp and face: A prospective within-patient comparison trial.
C MeierhoferK SilicM V UrbanAdrian TanewSonja RadakovicPublished in: Photodermatology, photoimmunology & photomedicine (2020)
Occlusive application of ALA significantly improves the efficacy of PDT but is associated with more pain and increased phototoxicity.