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Sponsor: UNC Lineberger Comprehensive Cancer Center
Conditions: Breast Cancer, Residual Disease, Triple Negative Breast Cancer (TNBC), Stage II/III
Interventions: Datopotamab deruxtecan, Circulating tumor DNA (ctDNA) testing
Countries: United States
This is a Phase II, interventional, prospective, single-arm, multi-center study that will enroll patients with stage II/III triple negative breast cancer (TNBC) who have residual cancer burden (RCB) II/III after conventional neoadjuvant chemo-immunotherapy followed by surgery. Technological advances in ctDNA assays have improved both the sensitivity and reliability of molecular residual disease (MRD) detection to enable real-time measurement with clinical-grade assays. The primary objective of this study will be to evaluate ctDNA-based MRD status in high-risk, early-stage TNBC patients by defining the proportion of TNBC patients with MRD-only recurrence (ctDNA positive without radiographically measurable recurrence) during post-surgery surveillance. The secondary objectives will evaluate the safety, preliminary efficacy, and survival outcomes of using Dato-DXd in participants with MRD-only TNBC. Dato-DXd is an investigational antibody-drug conjugate (monoclonal antibody specific for TROP2 and a topoisomerase I (Topo-1) inhibitor) that has demonstrated promising efficacy in TNBC patients with a manageable safety profile.
Sex: ALL
Age: 18 Years to —
Healthy volunteers: No
Study type: INTERVENTIONAL
Inclusion Criteria: Written informed consent was obtained to participate in the study, and HIPAA authorization for the release of personal health information. * Participant is willing and able to comply with study procedures based on the judgment of the investigator. * Age ≥ 18 years at the time of consent. * Histological confirmation of TNBC defined by ER/PR \<10%, HER2 0-1+ by IHC or 2+ by IHC and fluorescence in situ hybridization (FISH) negative. * Stage II/III TNBC treated with neoadjuvant systemic therapy AND have residual disease defined as RCB II/III at time of surgery. * Baseline staging scans at the discretion of the treating physician and demonstrate no evidence of metastatic disease. * The participant must have archival diagnostic tissue and/or surgical resection tissue Available. * Participants are willing and able to comply with study procedures based on the judgment of the investigator. Exclusion Criteria: • Participants are pregnant or breastfeeding.
- Chapel Hill, North Carolina, United States