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Abstract

The present invention is drawn to methods and systems for administering a therapy to a target tissue or target composition in a mammalian subject, using an ultrasonic energy source that preferably transmits energy to a treatment site transcutaneously. The method provides for administering to the subject a therapeutically effective amount of a targeted substance, which preferably selectively binds to the target tissue. Energy at a wavelength or waveband corresponding to that which is absorbed by the targeted substance is then administered. The energy intensity is relatively low, but a high total fluence is employed to ensure the activation of the targeted energy-activated agent or targeted prodrug product. The claimed energy-activated targeted therapy is useful in the treatment of specifically selected target tissues, such as vascular endothelial tissue, the abnormal vascular walls of tumors, solid tumors of the head and neck, tumors of the gastrointestinal tract, tumors of the liver, tumors of the breast, tumors of the prostate, tumors of the lung, nonsolid tumors, malignant cells of the hematopoietic and lymphoid tissue and other lesions in the vascular system or bone marrow, and tissue or cells related to autoimmune and inflammatory disease.

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First Claim