OnCo
trialsTrialActive

TROPION-Breast03

TROPION-Breast03 is the Dato-DXd counterpart to ASCENT-05: an ADC, with or without immunotherapy, for triple-negative patients with leftover cancer at surgery.

Three-arm phase 3 (randomised 2:1:2): Dato-DXd 6 mg/kg q3w for eight cycles plus durvalumab for nine cycles, Dato-DXd alone, or investigator's choice. Primary endpoint invasive disease-free survival. Registry estimated primary completion is 20 September 2027.

Setting
Stage I–III TNBC with residual invasive disease after neoadjuvant therapy: adjuvant Dato-DXd ± durvalumab vs investigator's choice (capecitabine, pembrolizumab, or both)
Phase
Phase 3
Sponsor
AstraZeneca / Daiichi Sankyo
Registry
Enrolled
1075
Replication
Ongoing; no results.

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