Abstract

Despite advances in screening approaches for prostate cancer, it is anticipated that 28,000 men will die of the disease this year in the United States alone. This highlights a need for more effective imaging technologies for staging, monitoring, and treatment planning of prostate cancer. ProstaScint is the only FDA-approved targeted-imaging agent for prostate cancer. However, its clinical utility is limited by low specificity and sensitivity. We describe a novel targeted imaging agent based on an RNA aptamer (A10-3.2) conjugated to a chelator (DOTA) housing an indium-111 radionuclide for SPECT/CT imaging.

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