A new safety analysis of DESTINY-Breast11 reported at SABCS 2025 showed that neoadjuvant T-DXd-THP demonstrated a manageable safety profile that is less toxic than ddAC-THP in high-risk HER2+ early-stage breast cancer. Rates of adjudicated drug-related ILD/pneumonitis were low across arms, and there were fewer grade ≥3 events with T-DXd-THP vs ddAC-THP. Together with efficacy outcomes, these new findings support T-DXd-THP as a tolerable and patient-friendly neoadjuvant option in this high-risk population.
DESTINY-Breast11: Clinically Relevant Adverse Events

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Overview
Provider(s)/Educational Partner(s)

Global Learning Collaborative (GLC) designs and executes continuing education founded on evidence-based medicine, clinical need, gap analysis, learner feedback, and more. Our mission is to serve as an inventive and relevant resource for clinical content and educational interventions across a broad spectrum of specialties. GLC’s methodology demonstrates a commitment to continuing medical education and the innovative assessment of its effects. Our goal is clear—to develop and deliver the best education in the most impactful manner and to verify its results with progressive outcomes research.
Commercial Support
This activity is supported by independent educational grants from AstraZeneca Pharmaceuticals, L.P. and Daiichi Sankyo, Inc.
Overview
A new safety analysis of DESTINY-Breast11 reported at SABCS 2025 showed that neoadjuvant T-DXd-THP demonstrated a manageable safety profile that is less toxic than ddAC-THP in high-risk HER2+ early-stage breast cancer. Rates of adjudicated drug-related ILD/pneumonitis were low across arms, and there were fewer grade ≥3 events with T-DXd-THP vs ddAC-THP. Together with efficacy outcomes, these new findings support T-DXd-THP as a tolerable and patient-friendly neoadjuvant option in this high-risk population.
Provider(s)/Educational Partner(s)

Global Learning Collaborative (GLC) designs and executes continuing education founded on evidence-based medicine, clinical need, gap analysis, learner feedback, and more. Our mission is to serve as an inventive and relevant resource for clinical content and educational interventions across a broad spectrum of specialties. GLC’s methodology demonstrates a commitment to continuing medical education and the innovative assessment of its effects. Our goal is clear—to develop and deliver the best education in the most impactful manner and to verify its results with progressive outcomes research.
Commercial Support
This activity is supported by independent educational grants from AstraZeneca Pharmaceuticals, L.P. and Daiichi Sankyo, Inc.
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