Just 11 days after AstraZeneca and Daiichi Sankyo gained FDA approval | The FDA has cleared AstraZeneca and Daiichi Sankyo's Enhertu as the first HER2-directed treatment for patients with HER2-low or HER2-ultralow metastatic breast cancer following disease progression after one or more endocrine therapies.

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FDA approves Enhertu for metastatic breast cancer with HER2-low or HER2-ultralow expression after showing significant efficacy in the DESTINY-Breast06 trial.

Approval of Enhertu marks the first HER2-directed therapy indicated for adults with unresectable or metastatic HR-positive, HER2-low, or HER2-ultralow metastatic breast cancer.

Astra is due to pay Daiichi US$175 million in milestones after the US approval, the companies said. Enhertu is cleared in the US and European Union for some breast cancer patients whose cancer spread after receiving treatment, or whose disease returned after surgery.

Enhertu’s label expansion comes on the heels of the FDA’s approval of the partners' Datroway for a related type of breast cancer.

The clearance is a step forward in AstraZeneca and Daiichi Sankyo’s plan to position antibody-drug conjugates like Enhertu ahead of chemotherapy in a variety of tumors.

AstraZeneca (AZ) and Daiichi Sankyo’s Enhertu (trastuzumab deruxtecan) has been approved by the US Food and Drug Administration (FDA) to treat a new subset of breast cancer patients.

AstraZeneca AZN and partner Daiichi Sankyo announced that the FDA has approved the supplemental biologics license application (sBLA) seeking approval for expanded use of Enhertu (trastuzumab deruxtecan) for HER2-low metastatic breast cancer in the United States.

AstraZeneca and Daiichi Sankyo's Enhertu (trastuzumab deruxtecan) has been approved in the US for the treatment of adult patients with unresectable or metastatic hormone receptor