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According to The Journal of Nuclear Medicine, a new class of radiopharmaceuticals has been developed to non-invasively identify over 30 types of malignant cancerous tumors. The latest Radiotracer uses a modified PET/CT scan (positron emission tomography/computed tomography) to image a large variety of tumors in various stages with high image contrast, paving the way for dozens of potential applications in functional medicine, gene therapies, and cancer immunotherapies. The Ga-FAPI radiotracer works by targeting fibroblasts that are associated with various types of cancers and typically contribute to a large portion of a tumor’s mass. Cancerous fibroblast cells differ from normal (non-cancerous) fibroblasts based on the expression of the FAP proteins (fibroblast activation protein). Fibroblast-activated protein inhibitors have been incorporated into several conventional anticancer medications and are now being used with NK cells and in radiopharmaceutical technologies for diagnostic purposes.
Researchers from the Society of Nuclear Medicine and Molecular Imaging (SNMMI) used modified PET/CT scanners to evaluate 80 patients with 31 different types of cancer to determine whether they could distinguish between metastatic, primary & recurring cancers. However, the test results showed that the difference between metastatic lesions and primary tumors was not statistically significant.
The Ga-FAPI radiotracer was especially accurate in identifying the following types of cancers:
The Ga-FAPI radiotracer was equally as effective as traditional radiology scans while observing the following cancers:
The Ga-FAPI radiotracer was less effective while observing:
The potential benefits of Ga-FAPI radiotracers also include the avoidance of fasting or requiring a specific position during scans.
Improvements in patient comfort and workflow for oncologists working in regenerative medicine are also noted as major benefits relative to current technologies.
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