Pharmaceutical New data from the international FIELD Study Repeat presented today at the 15th World Congress of Cancers of the Skin (WCCS) in Edinburgh, Scotland, demonstrate initial treatment with Picato(ingenol mebutate gel) 0.015% is efficacious in treating actinic keratoses (AK) and, when followed by a repeat cycle for persistent and newly emerging AKs, this efficacy is further increased. 4 September 2014