Treatment with TUKYSA was well-tolerated, with a safety profile consistent with previously known profiles of the individual agents
An estimated 50% of patients with ER+, HER2– metastatic breast cancer will develop an ESR1 mutation during or after exposure to an aromatase inhibitor
DESTINY-Breast09 Phase III trial of AstraZeneca and Daiichi Sankyo’s Enhertu is the first trial in more than a decade to demonstrate superior efficacy across a broad HER2-positive metastatic patient population versus current 1st-line standard of care
The PATHWAY HER2 (4B5) test, the first and only FDA approved companion diagnostic for assessing HER2-low status since 2022, is now also approved to aid in the assessment of HER2-ultralow status for metastatic breast cancer patients.
IBRANCE is the first CDK4/6 inhibitor to show benefit in a large Phase 3 trial in first-line HR+, HER2+ metastatic breast cancer, in combination with anti-HER2 and endocrine therapy
Approximately half of all patients with metastatic breast cancer (mBC) express low levels of HER2
First approval for Daiichi Sankyo and AstraZeneca’s ENHERTU in China
Based on DESTINY-Breast04 results which showed Daiichi Sankyo and AstraZeneca’s ENHERTU reduced risk of disease progression or death by 50% and increased overall survival by more than six months versus chemotherapy
Enhertu has now been granted five Breakthrough Therapy Designations, including three in breast cancer and one in both lung and gastric cancers
Enhertu is a HER2-directed antibody drug conjugate (ADC) being jointly developed by AstraZeneca and Daiichi Sankyo.
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