PreludeDx Employee Directory
Biotechnology ResearchCalifornia, United States51-200 Employees
PreludeDx is a biotechnology company focused on precision diagnostics for early-stage breast cancer. Its initial diagnostic, DCISionRT, grew out of more than a decade of research and development and was created after licensing technology from the University of California, San Francisco in 2009. The DCISionRT test is designed to quantify a patient’s risk of recurrence and help determine appropriate treatment for ductal carcinoma in situ. Based in Laguna Hills, California, PreludeDx serves patients and healthcare providers by offering tools to manage early-stage breast cancer and inform clinical decision-making. In April 2026, the company announced that the FDA granted Breakthrough Device Designation to its AidaBreast test for early-stage invasive breast cancer, marking a notable regulatory milestone for its diagnostic portfolio.
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