Activated Cancer Therapy ( ACT), al so know n a s Sonodynamic Photodynamic Therapy ( SPDT) is a novel therapeutic modality that utilises a non-toxic photosensitive agent with reported ultrasound-activated properties. SPDT has
previously demonstrated significant tumour cell inhibition in animal studies. There has been much research into the efficacy of photodynamic therapy and development in understanding of the underlying mechanism of tumour cytotoxicity.
Synergistic ultrasound activation represents a promising development to activated sensitiser therapy, as photo-activation is
limited by access and penetrance issues. Ultrasound has been demonstrated to activate a number of sono-sensitive agents allowing the possibility of non-invasive targeted treatment of deeper tumour sites than is currently achievable with photodynamic therapy. This case series of 115 patients with a variety of cancer diagnoses reports on experiences of this treatment over a 4 year period using sublingual administration of a new dual activation agent, Sonnelux-1, followed by a protocol of LED light and low-intensity ultrasound exposure. Initial clinical observation suggests SPDT is worthy of further investigation a s an effective and well tolerated treatment for a wide variety of primary and metastatic tumours, including those refractory to chemotherapy
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