Clinical Trial Information ShortStop-HER2: Shortened Duration of Adjuvant Therapy in Patients With Early-Stage HER2+ Breast Cancer Who Achieve pCR After Neoadjuvant Chemotherapy With HER2 Blockade Protocol Number: A012303 Status: Open Age Group: Adult Treatment Type: Treatment Secondary Protocol No.: A012303 Phase: III NCT ID: NCT06876714 Scope Information Scope: National Disease Site(s): Breast