Real life outcome analysis of breast cancer brain metastases treated with Trastuzumab Deruxtecan

Abstract Tumor dissemination to the central nervous system (CNS) is almost a rule in the treatment journey of advanced HER2+ breast cancer (BC). Recent results demonstrated high intracranial efficacy with Trastuzumab Deruxtecan (T-DXd). However, a real-world evidence is lacking in literature. We con...

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Main Authors: Alessandra Fabi, Alessandro Rossi, Roberta Caputo, Simona Pisegna, Simone Scagnoli, Francesco Pantano, Giuliana D’Auria, Palma Fedele, Agnese Fabbri, Claudio Vernieri, Michela Palleschi, Luisa Carbognin, Gianluigi Ferretti, Elena Di Monte, Ida Paris, Francesco Pavese, Ornella Garrone, Antonio Franco, Michelino De Laurentiis, Gianluca Franceschini, Giovanni Scambia, Diana Giannarelli, Riccardo Masetti, Andrea Botticelli
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:npj Precision Oncology
Online Access:https://doi.org/10.1038/s41698-025-00801-3
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author Alessandra Fabi
Alessandro Rossi
Roberta Caputo
Simona Pisegna
Simone Scagnoli
Francesco Pantano
Giuliana D’Auria
Palma Fedele
Agnese Fabbri
Claudio Vernieri
Michela Palleschi
Luisa Carbognin
Gianluigi Ferretti
Elena Di Monte
Ida Paris
Francesco Pavese
Ornella Garrone
Antonio Franco
Michelino De Laurentiis
Gianluca Franceschini
Giovanni Scambia
Diana Giannarelli
Riccardo Masetti
Andrea Botticelli
author_facet Alessandra Fabi
Alessandro Rossi
Roberta Caputo
Simona Pisegna
Simone Scagnoli
Francesco Pantano
Giuliana D’Auria
Palma Fedele
Agnese Fabbri
Claudio Vernieri
Michela Palleschi
Luisa Carbognin
Gianluigi Ferretti
Elena Di Monte
Ida Paris
Francesco Pavese
Ornella Garrone
Antonio Franco
Michelino De Laurentiis
Gianluca Franceschini
Giovanni Scambia
Diana Giannarelli
Riccardo Masetti
Andrea Botticelli
author_sort Alessandra Fabi
collection DOAJ
description Abstract Tumor dissemination to the central nervous system (CNS) is almost a rule in the treatment journey of advanced HER2+ breast cancer (BC). Recent results demonstrated high intracranial efficacy with Trastuzumab Deruxtecan (T-DXd). However, a real-world evidence is lacking in literature. We conducted a multicenter, observational, retrospective real-world analysis on 39 cases collected at 12 Italian Oncological Units. Patients with brain metastases (BMs) from HER2 + BC treated with T-DXd in various treatment lines were enrolled. Primary endpoint was the intracranial overall response rate (iORR). Secondary endpoints were intra- and global progression free survival (iPFS - gPFS); other secondary objectives were the intracranial disease control rate (iDCR), duration of response (iDoR), clinical benefit rate at 6 and 12 months (iCBr), overall survival, and safety. iORR was 59%, iPFS was 15.6 months, gPFS was 11.8 months. iDCR was 94.9%, iDoR was 11.9 months, and iCBr at 6 and 12 months were 69.2% and 59%, respectively. OS was not reached, with an overall rate of 77.9% of patients alive at 12 months. This study confirmed the high intracranial efficacy and manageable safety profile of T-DXd in this first-ever real world analysis.
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spelling doaj-art-6f32ae93174d43c79939836881f5dd0d2025-01-26T12:12:52ZengNature Portfolionpj Precision Oncology2397-768X2025-01-01911810.1038/s41698-025-00801-3Real life outcome analysis of breast cancer brain metastases treated with Trastuzumab DeruxtecanAlessandra Fabi0Alessandro Rossi1Roberta Caputo2Simona Pisegna3Simone Scagnoli4Francesco Pantano5Giuliana D’Auria6Palma Fedele7Agnese Fabbri8Claudio Vernieri9Michela Palleschi10Luisa Carbognin11Gianluigi Ferretti12Elena Di Monte13Ida Paris14Francesco Pavese15Ornella Garrone16Antonio Franco17Michelino De Laurentiis18Gianluca Franceschini19Giovanni Scambia20Diana Giannarelli21Riccardo Masetti22Andrea Botticelli23Precision Medicine In Senology Unit, Fondazione Policlinico Universitario A. Gemelli IRCCSPrecision Medicine In Senology Unit, Fondazione Policlinico Universitario A. Gemelli IRCCSDepartment Of Breast And Thoracic Oncology, Division Of Breast Medical Oncology, Istituto Di Ricovero E Cura A Carattere Scientifico (IRCCS) PascaleDepartment Of Experimental Medicine, Sapienza University Of RomeDepartment Of Experimental Medicine, Sapienza University Of RomeMedical Oncology, Fondazione Policlinico Universitario Campus Bio-MedicoDepartment Of Medical Oncology, Sandro Pertini HospitalOncology Unit, Dario Camberlingo Hospital, Francavilla FontanaDepartment Of Oncology And Hematology, Medical Oncology And Breast Unit, Central Hospital Of BelcolleDepartment Of Medical Oncology, Fondazione Irccs Istituto Nazionale Dei TumoriIRCCS Istituto Romagnolo Per Lo Studio Dei Tumori “Dino Amadori” IrstPrecision Medicine In Senology Unit, Fondazione Policlinico Universitario A. Gemelli IRCCSMedical Oncology, Regina Elena National Cancer Institute RomeDepartment Of Medical Oncology, Comprehensive Cancer Center, Fondazione Policlinico Universitario Agostino Gemelli, IRCCSDepartment Of Woman And Child Health, Fondazione Policlinico Universitario A. Gemelli IRCCSDepartment Of Woman And Child Health, Fondazione Policlinico Universitario A. Gemelli IRCCSOncology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore PoliclinicoBreast Unit, Department Of Woman And Child’s Health And Public Health, Fondazione Policlinico Universitario A. Gemelli IrccsDepartment Of Breast And Thoracic Oncology, Division Of Breast Medical Oncology, Istituto Di Ricovero E Cura A Carattere Scientifico (IRCCS) PascaleBreast Unit, Department Of Woman And Child’s Health And Public Health, Fondazione Policlinico Universitario A. Gemelli IrccsDepartment Of Woman And Child Health, Fondazione Policlinico Universitario A. Gemelli IRCCSFacility Of Epidemiology And Biostatistics, Fondazione Policlinico Universitario A. Gemelli IRCCSBreast Unit, Department Of Woman And Child’s Health And Public Health, Fondazione Policlinico Universitario A. Gemelli IrccsDepartment Of Experimental Medicine, Sapienza University Of RomeAbstract Tumor dissemination to the central nervous system (CNS) is almost a rule in the treatment journey of advanced HER2+ breast cancer (BC). Recent results demonstrated high intracranial efficacy with Trastuzumab Deruxtecan (T-DXd). However, a real-world evidence is lacking in literature. We conducted a multicenter, observational, retrospective real-world analysis on 39 cases collected at 12 Italian Oncological Units. Patients with brain metastases (BMs) from HER2 + BC treated with T-DXd in various treatment lines were enrolled. Primary endpoint was the intracranial overall response rate (iORR). Secondary endpoints were intra- and global progression free survival (iPFS - gPFS); other secondary objectives were the intracranial disease control rate (iDCR), duration of response (iDoR), clinical benefit rate at 6 and 12 months (iCBr), overall survival, and safety. iORR was 59%, iPFS was 15.6 months, gPFS was 11.8 months. iDCR was 94.9%, iDoR was 11.9 months, and iCBr at 6 and 12 months were 69.2% and 59%, respectively. OS was not reached, with an overall rate of 77.9% of patients alive at 12 months. This study confirmed the high intracranial efficacy and manageable safety profile of T-DXd in this first-ever real world analysis.https://doi.org/10.1038/s41698-025-00801-3
spellingShingle Alessandra Fabi
Alessandro Rossi
Roberta Caputo
Simona Pisegna
Simone Scagnoli
Francesco Pantano
Giuliana D’Auria
Palma Fedele
Agnese Fabbri
Claudio Vernieri
Michela Palleschi
Luisa Carbognin
Gianluigi Ferretti
Elena Di Monte
Ida Paris
Francesco Pavese
Ornella Garrone
Antonio Franco
Michelino De Laurentiis
Gianluca Franceschini
Giovanni Scambia
Diana Giannarelli
Riccardo Masetti
Andrea Botticelli
Real life outcome analysis of breast cancer brain metastases treated with Trastuzumab Deruxtecan
npj Precision Oncology
title Real life outcome analysis of breast cancer brain metastases treated with Trastuzumab Deruxtecan
title_full Real life outcome analysis of breast cancer brain metastases treated with Trastuzumab Deruxtecan
title_fullStr Real life outcome analysis of breast cancer brain metastases treated with Trastuzumab Deruxtecan
title_full_unstemmed Real life outcome analysis of breast cancer brain metastases treated with Trastuzumab Deruxtecan
title_short Real life outcome analysis of breast cancer brain metastases treated with Trastuzumab Deruxtecan
title_sort real life outcome analysis of breast cancer brain metastases treated with trastuzumab deruxtecan
url https://doi.org/10.1038/s41698-025-00801-3
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