Datopotamab deruxtecan (Dato-DXd) plus durvalumab (D) as first-line (1L) treatment for unresectable locally advanced/metastatic triple-negative breast cancer (a/mTNBC): Initial results from BEGONIA, a phase Ib/II study
Annals of Oncology(2022)
Abstract
Patients (pts) with a/mTNBC have limited treatment options and poor prognosis. Combining checkpoint inhibitors with 1L chemotherapy improves outcomes but only in PD-L1+ve a/mTNBC, emphasizing a critical need. Dato-DXd, a TROP2 antibody-drug conjugate (ADC) with potent topoisomerase (TOPO) I inhibitor payload, elicited a 34% objective response rate (ORR) in heavily pretreated a/mTNBC and 52% ORR in a subset naïve to TOPO I-based ADCs. In BEGONIA, an ongoing 2-part, open-label platform study, D (an anti-PD-L1 antibody) combined with other therapies, including ADCs, is being evaluated in 1L a/mTNBC (NCT03742102).
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Key words
breast cancer,dato-dxd,first-line,triple-negative
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