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Group name EquipeCTCS
Item Type Journal Article
Title Efficacy of trastuzumab emtansine (T-DM1) and lapatinib after dual HER2 inhibition with trastuzumab and pertuzumab in patient with metastatic breast cancer: Retrospective data from a French multicenter real-life cohort
Creator Moinard-Butot et al.
Author Fabien Moinard-Butot
Author Caroline Saint-Martin
Author Carole Pflumio
Author Matthieu Carton
Author William Jacot
Author Paul-Henri Cottu
Author Florence Dalenc
Author Anthony Goncalves
Author Marc Debled
Author Anne Patsouris
Author Marie-Ange Mouret-Reynier
Author Laurence Vanlemmens
Author Marianne Leheurteur
Author George Emile
Author Jean-Marc Ferrero
Author Isabelle Desmoulins
Author Lionel Uwer
Author Jean-Christophe Eymard
Author Bianca Cheaib
Author Coralie Courtinard
Author Thomas Bachelot
Author Michaël Chevrot
Author Thierry Petit
Abstract PURPOSE: Trastuzumab-emtansine (T-DM1), as well as lapatinib plus capecitabine were proven effective in two Phase III studies, following first-line trastuzumab plus a taxane. The introduction of dual HER2 blockade by trastuzumab and pertuzumab as first-line has positioned T-DM1 into second-line, and lapatinib plus capecitabine beyond, without formal evaluation of these strategies. METHODS: ESME Data Platform (NCT03275311) included individual data from all patients aged ?18 years, in whom first-line treatment for metastatic breast cancer (MBC) was initiated between January 1, 2008 and December 31, 2016 in one of the 18 French Comprehensive Cancer Centers. The efficacy of T-DM1 and lapatinib plus capecitabine combination, following double blockade associating trastuzumab and pertuzumab were evaluated in this national real-life database. Eligibility criteria were: female, MBC, HER2+ tumor, first-line taxane-based chemotherapy and dual HER2-blockage by trastuzumab plus pertuzumab. Cohort A received second-line T-DM1, and Cohort B second-line T-DM1 and third or fourth-line lapatinib plus capecitabine. RESULTS: Cohort A comprised 233 patients, and Cohort B 47 patients. Median progression-free survival (PFS) was 7.1 months in Cohort A and 4.6 months in Cohort B. Median overall survival were 36.7 months and 12.9 months, respectively. PFS was significantly dependent on the preceding treatment line's duration. In cohort A, HER2 expression status was a significant predictive factor of PFS. CONCLUSION: First-line trastuzumab plus pertuzumab do not markedly diminish T-DM1's efficacy in second-line. Similarly, sequential treatment with trastuzumab plus pertuzumab then T-DM1 does not noticeably modify the efficacy of lapatinib plus capecitabine.
Publication Breast (Edinburgh, Scotland)
Volume 63
Pages 54-60
Date 2022-06
Journal Abbr Breast
Language eng
DOI 10.1016/j.breast.2022.03.004
ISSN 1532-3080
Short Title Efficacy of trastuzumab emtansine (T-DM1) and lapatinib after dual HER2 inhibition with trastuzumab and pertuzumab in patient with metastatic breast cancer
Library Catalog PubMed
Extra PMID: 35299035 PMCID: PMC8927850
Tags Adolescent, Adult, Antibodies, Monoclonal, Humanized, Antineoplastic Combined Chemotherapy Protocols, Breast Neoplasms, Capecitabine, clinic, Dual HER2 blockade, Female, Humans, Lapatinib, marque, Receptor, ErbB-2, Retrospective Studies, T-DM1, Taxoids, Trastuzumab
Date Added 2022/07/29 - 11:49:48
Date Modified 2022/08/01 - 14:42:33
Notes and Attachments PubMed entry (Attachment)
Texte intégral (Attachment)


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