What's Happening?
Agendia, Inc. has announced that the National Comprehensive Cancer Network (NCCN) Clinical Practice Guidelines in Oncology have been updated to recognize the use of MammaPrint and BluePrint tests. These tests help identify hormone receptor positive, HER2-negative
early-stage breast cancer patients who are most likely to benefit from anthracycline-based chemotherapy. This update is based on findings from the FLEX Study, which involved 1261 patients and was presented at the 2025 San Antonio Breast Cancer Symposium. The study showed that patients with MammaPrint High Risk 2 and BluePrint Luminal B tumors benefit significantly from anthracycline therapy, while those with High Risk 1 do not derive the same benefit. This development underscores the importance of precision genomics in tailoring cancer treatment to individual tumor biology.
Why It's Important?
The update to the NCCN guidelines is significant as it provides oncologists with a more precise tool to determine which breast cancer patients will benefit from anthracycline-based chemotherapy. This can lead to more effective and personalized treatment plans, potentially improving patient outcomes and reducing unnecessary exposure to the side effects of chemotherapy. The use of MammaPrint and BluePrint tests can help avoid overtreatment and its associated risks, such as cardiotoxicity and secondary leukemia, by identifying patients who are unlikely to benefit from anthracyclines. This advancement in precision oncology represents a step forward in the ongoing effort to optimize cancer treatment and improve survival rates.
What's Next?
Following the guideline update, it is expected that more oncologists will incorporate MammaPrint and BluePrint tests into their clinical practice to guide treatment decisions for early-stage breast cancer patients. This could lead to broader adoption of precision medicine approaches in oncology, influencing future research and development in cancer treatment. Additionally, ongoing studies and real-world evidence will continue to refine and validate the use of genomic assays in clinical settings, potentially expanding their application to other cancer types and treatment regimens.
Beyond the Headlines
The integration of genomic testing into clinical guidelines highlights the growing role of personalized medicine in healthcare. This shift towards individualized treatment plans not only improves patient outcomes but also represents a cultural change in how cancer is approached, moving away from one-size-fits-all treatments. As genomic technologies advance, ethical considerations regarding access to these tests and the management of genetic information will become increasingly important. Ensuring equitable access to precision medicine will be crucial in addressing disparities in cancer care.













