MedStar Authors catalog › Details for: Prospective evaluation of the cardiac safety of HER2-targeted therapies in patients with HER2-positive breast cancer and compromised heart function: the SAFE-HEaRt study.
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Prospective evaluation of the cardiac safety of HER2-targeted therapies in patients with HER2-positive breast cancer and compromised heart function: the SAFE-HEaRt study.

by Barac, Ana; Gallagher, Christopher; Srichai, M B; Hofmeyer, Mark; Cunningham, A; Asch, Federico M; Swain, Sandra M.
Citation: Breast Cancer Research & Treatment. 175(3):595-603, 2019 Jun..Journal: Breast cancer research and treatment.Published: ; 2019ISSN: 0167-6806.Full author list: Lynce F; Barac A; Geng X; Dang C; Yu AF; Smith KL; Gallagher C; Pohlmann PR; Nunes R; Herbolsheimer P; Warren R; Srichai MB; Hofmeyer M; Cunningham A; Timothee P; Asch FM; Shajahan-Haq A; Tan MT; Isaacs C; Swain SM.UI/PMID: 30852761.Subject(s): IN PROCESS -- NOT YET INDEXEDInstitution(s): Washington Cancer Institute | MedStar Health Research Institute | MedStar Heart & Vascular Institute | MedStar HealthDepartment(s): Associate Dean for Research DevelopmentActivity type: Journal Article.Medline article type(s): Journal ArticleOnline resources: Click here to access online Digital Object Identifier: https://dx.doi.org/10.1007/s10549-019-05191-2 (Click here) ORCID: Swain, S M http://orcid.org/0000-0002-1320-3830 (Click here) Abbreviated citation: Breast Cancer Res Treat. 175(3):595-603, 2019 Jun.Abstract: PURPOSE: HER2-targeted therapies have substantially improved the outcome of patients with breast cancer, however, they can be associated with cardiac toxicity. Guidelines recommend holding HER2-targeted therapies until resolution of cardiac dysfunction. SAFE-HEaRt is the first trial that prospectively tests whether these therapies can be safely administered without interruptions in patients with cardiac dysfunction.Abstract: METHODS: Patients with stage I-IV HER2-positive breast cancer candidates for trastuzumab, pertuzumab or ado-trastuzumab emtansine (TDM-1), with left ventricular ejection fraction (LVEF) 40-49% and no symptoms of heart failure (HF) were enrolled. All patients underwent cardiology visits, serial echocardiograms and received beta blockers and ACE inhibitors unless contraindicated. The primary endpoint was completion of the planned HER2-targeted therapies without developing either a cardiac event (CE) defined as HF, myocardial infarction, arrhythmia or cardiac death or significant asymptomatic worsening of LVEF. The study was considered successful if planned oncology therapy completion rate was at least 30%.Abstract: RESULTS: Of 31 enrolled patients, 30 were evaluable. Fifteen patients were treated with trastuzumab, 14 with trastuzumab and pertuzumab, and 2 with TDM-1. Mean LVEF was 45% at baseline and 46% at the end of treatment. Twenty-seven patients (90%) completed the planned HER2-targeted therapies. Two patients experienced a CE and 1 had an asymptomatic worsening of LVEF to <= 35%.Abstract: CONCLUSION: This study provides safety data of HER2-targeted therapies in patients with breast cancer and reduced LVEF while receiving cardioprotective medications and close cardiac monitoring. Our results demonstrate the importance of collaboration between cardiology and oncology providers to allow for delivery of optimal oncologic care to this unique population.

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