Daylight-PDT for AKs: Comparing Two Photosensitizers (BF-200 ALA and MAL)

The symmetrical treatment areas will be randomized for treatments. First the treatment area will be wiped ethanol. Then sun protection factor (SPF) 20 cream will be applied on all sun-exposed areas of the skin. Then a 0,25mm layer application of Ameluz cream on the area. After appropriate absorption time of 30 minutes, the patients will be taken to the hospital balcony for 2 hour illumination with daylight to accomplish the phototoxic reaction. Maximum dosage will be 2 grams. The treatment will be repeated after 2 weeks for thicker gr II-III lesions with the same protocol.

The symmetrical treatment areas will be randomized for treatments. First the treatment area will be wiped ethanol. Then SPF20 sun protection cream will be applied on all sun-exposed areas of the skin. Then a 0,25mm layer application of Metvix cream on the area. After appropriate absorption time of 30 minutes, the patientswill be taken to the hospital balcony for 2 hour illumination with daylight to accomplish the phototoxic reaction. Maximum dosage will be 2 grams. The treatment will be repeated after 2 weeks for thicker gr II-III lesions with the same protocol.