Dr. Theodossis Theodossiou, Institute for Cancer Research, Oslo University Hospital, discusses his team’s cutting-edge research into curing cancer with photodynamic therapy (PDT). PDT is an exciting anti-cancer treatment, currently used clinically. It works by using light, a photo-activatable drug and oxygen to kill cancer. With the specificity of the treatment relying on the application of light. In this video, Dr. Theodossiou describes how his team are working to improve the efficiency and accuracy of PDT through a variety of methods.