Abstract
The use of targeted alpha therapy (TAT) for bone cancer is increasing each year. Among the alpha radionuclides, radium [223Ra]Ra+2 is the first one approved for bone cancer metastasis therapy. The development of novel radiopharmaceutical based on [223Ra]Ra+2 is essential to continuously increase the arsenal of new TAT drugs. In this study we have developed, characterized, and in vitro evaluated [223Ra] Ra-nano-hydroxyapatite. The results showed that [223Ra] Ra-nano-hydroxyapatite has a dose-response relationship for osteosarcoma cells and a safety profile for human fibroblast cells, corroborating the application as a radiopharmaceutical.
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