Astrin Biosciences Expands Access to Certitude Breast Cancer Blood Test

Dense breast tissue affects nearly half of all women, complicating traditional mammograms and often leaving patients with few supplemental screening options. Astrin Biosciences aims to bridge this diagnostic gap with its proprietary deep proteomic platform. The test analyzes thousands of proteins from a single blood sample to identify molecular markers that imaging techniques frequently overlook.

In a validation study involving 1,242 participants, the technology demonstrated 92% sensitivity and 93% specificity across various cancer stages and subtypes. Dr. Tanya Gupta, Medical Director at Astrin, emphasized that the test provides a critical data point for physicians, particularly when imaging results remain ambiguous. While the service is live across most of the country, residents in New York and Hawaii remain on a waitlist as the company works to expand its regional reach. The shift toward a telehealth-integrated model is intended to decouple life-saving diagnostics from geographic barriers, allowing women to initiate the screening process through a digital platform.