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Delphi Diagnostics Announces New Publication in the European Journal of Cancer
The study of 659 PACS-01 samples found EAIRR added statistically significant prognostic and endocrine-predictive information beyond the 21-gene Recurrence Score.
On Wednesday, Delphi Diagnostics announced new clinical data published in the European Journal validating Recurrence Risk as a significant independent predictor of outcomes for hormone receptor-positive, node-positive breast cancer patients.
The study demonstrates that EAIRR, also known as SET2,3, provides meaningful prognostic and endocrine-predictive information beyond the 21-gene Recurrence Score, enhancing risk stratification for node-positive patients.
Researchers analyzed 659 patient samples from the PACS-01 clinical trial, establishing Level 1B evidence that EAIRR refines prognostic risk stratification in node-positive HR+ breast cancer.
Data indicate EAI strongly predicted benefit from adjuvant endocrine therapy, with interaction values below 0.001, enabling physicians to identify patients sensitive to endocrine treatment for personalized selection.
Delphi Diagnostics aims to make the EAI test available, opening pathways for personalized breast cancer care, while developer Fraser Symmans maintains a financial relationship with Delphi managed by the Anderson Cancer Center's Interest Committee.