Photodynamic therapy (PDT) uses light-sensitive compounds and specific wavelengths of light to selectively destroy cancer cells and pathogens. It is a targeted, minimally invasive treatment with a favorable side-effect profile.
Photodynamic therapy involves administering a photosensitizing agent that accumulates preferentially in cancer cells or diseased tissue. When this compound is activated by exposure to a specific wavelength of light, it produces reactive oxygen species that destroy the targeted cells. Healthy tissue, which absorbs less of the photosensitizer, is largely spared.
A photosensitizing agent is administered intravenously or applied topically, depending on the condition being treated. After a defined accumulation period, the treatment area is exposed to light of the appropriate wavelength using fiber optic devices or external light sources. The light activates the photosensitizer within the diseased cells, triggering a localized cytotoxic reaction. The treatment also stimulates local immune responses against the treated tissue.
CES is a gentle, well-tolerated treatment that may complement other therapies. Our specialists will assess whether it is appropriate for your condition
A PDT session involves two phases: photosensitizer administration (which may require a waiting period of hours to days) and light exposure (typically 15-45 minutes depending on the area treated). The light exposure itself is generally painless. Patients may experience temporary photosensitivity and should avoid bright light for a specified period after treatment.
PDT is approved for several cancer indications in multiple countries and has extensive published research supporting its use. Clinical trials have demonstrated effectiveness in various tumor types. St. George Hospital has published research on PDT applications in integrative oncology and has decades of clinical experience with this modality.
Contact our medical team to discuss whether this therapy may be appropriate for your condition.
