Phthalocyanine Based Photosensitizers for Photodynamic Therapy

Photodynamic therapy(PDT) is a clinically approved procedure.Due to its minimal normal tissue toxicity,negligible side effects and high selectivity,it has emerged as an efficient treatment method for many kinds of cancers.Recently,significant effort has been devoted to enhance its selectivity and phototoxicity toward malignant tissues.This review summarizes the recent research of photosensitizers,especially focuses on the progress of the third generation photosensitizers based on phthalocyanines.