Radiopharmaceutical Imaging & Dosimetry, LLC

Radiopharmaceutical Imaging and Dosimetry (Rapid), LLC is a Baltimore-based biotechnology research company founded by Johns Hopkins University experts (Drs. George Sgouros, Eric Frey, and Michael Ghaly). Rapid specializes in quantitative imaging, dosimetry analysis, and precision medicine support for radiopharmaceutical therapies, particularly in oncology. The company provides comprehensive consulting and centralized solutions covering the full workflow from image acquisition protocol development through regulatory support and dosimetry reporting. Services include agent-specific imaging protocol design, centralized vendor-independent SPECT/CT quantitative reconstruction with advanced scatter and crosstalk compensation, and expert dosimetry analysis to optimize patient outcomes and reduce normal organ toxicity. Rapid also develops software solutions, including 3D-RD-S, a SaaS platform for radiopharmaceutical dosimetry calculations and radiobiological response modeling. The company combines 45+ years of NIH-funded research and development experience to standardize and simplify dosimetry for routine precision dosing of radiopharmaceutical therapies.