The US Food and Drug Administration (FDA) has granted breakthrough device designation to PreludeDx’s DCISionRT test, a risk assessment tool for ductal carcinoma in situ (DCIS), also known as Stage 0 breast cancer.

This test predicts the benefits of radiation therapy (RT) for women diagnosed with this condition.

Discover B2B Marketing That Performs

Combine business intelligence and editorial excellence to reach engaged professionals across 36 leading media platforms.

Find out more

Designed for women aged between 30 and 85 who have undergone breast-conserving surgery (BCS) for DCIS, the test serves as a prognostic tool for the ten-year risk of breast cancer recurrence. It also identifies residual risk patients even after BCS and RT.

It claims to integrate tumour biology with clinical factors to provide individualised outcomes. By evaluating protein expression from seven biomarkers and four clinicopathologic factors leveraging a non-linear algorithm, DCISionRT interprets complex biological data to assist in making informed treatment decisions.

DCISionRT provides a ‘DecisionScore’ that categorises a woman’s risk levels as low, elevated, or residual. This underscores the test’s prediction of RT benefits, which could potentially reduce both over- and under-treatment.

The test’s technology was licensed from the University of California, San Francisco, and based on research initially funded by the National Cancer Institute.

GlobalData Strategic Intelligence

US Tariffs are shifting - will you react or anticipate?

Don’t let policy changes catch you off guard. Stay proactive with real-time data and expert analysis.

By GlobalData

PreludeDx president and CEO Dan Forche said: “We will continue to work closely with the FDA and we remain committed to providing access to advanced precision diagnostics in breast cancer care that improve patient outcomes through new and innovative tools.”

Every year, more than 60,000 females in the US are diagnosed with DCIS, which is characterised by malignant cells lining the breast’s milk ducts without invading surrounding tissue.

Founded in 2009, PreludeDx is a company specialising in breast cancer diagnostics.

Medical Device Network Excellence Awards - Nominations Closed

Nominations are now closed for the Medical Device Network Excellence Awards. A big thanks to all the organisations that entered – your response has been outstanding, showcasing exceptional innovation, leadership, and impact

Excellence in Action
HemoSonics has won the 2025 Marketing Award for its impactful promotion of theQuantra Hemostasis System and leadership in blood management education. See how targeted campaigns, thought leadership content, and hands on clinician training are accelerating Quantra’s market traction and shaping the future of hemostasis testing.

Discover the Impact