Life sciences · Phase 4 Trial
ClinicalTrials.gov · September 15, 2026
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Phase 4 Trial.
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Registry record from ClinicalTrials.gov (NCT05206331). This is a study registration, not published results. Lead sponsor: Margarita Louise Zuley. Recruitment status: COMPLETED. Phase: PHASE4. Study type: INTERVENTIONAL. Enrollment: 2089 participants (ACTUAL). Conditions: Breast Cancer. Interventions: DEVICE: contrast enhanced mammography; DRUG: Iodinated Contrast Media (ICM). Primary outcome measures: Negative Predictive Value (NPV) , year 5. Brief summary: One of the primary criticisms of mammography is that it leads to unneeded stress and anxiety from identification and biopsy of non-cancerous findings. Contrast-enhanced mammography (CEM) has the potential to significantly reduce biopsy rates for commonly seen benign breast lesions while preserving very high cancer detection. The investigators propose a prospective clinical study of patients with diagnostic mammograms rated as BIRADS 4A or 4B and scheduled for a biopsy, in which, prior to undergoing their scheduled biopsy, a CEM procedure is performed. The investigators will test the primary hypothesis that for soft tissue lesions (i.e. masses, asymmetries, architectural distortions) initially rated BI-RADS 4A/4B adding CEM will reduce, by at least 20%, the number of biopsy recommendations for actually benign cases and, at the same time, provide a negative predictive value (NPV) higher than 95%.