Cited by 126HER2/EGFR in Cancer ResearchCancer survivorship and careHealth Systems, Economic Evaluations, Quality of Life

Patient-reported outcomes from EMILIA, a randomized phase 3 study of trastuzumab emtansine (T-DM1) versus capecitabine and lapatinib in human epidermal growth factor receptor 2-positive locally advanced or metastatic breast cancer

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Welslau, Manfred, Diéras, Veronique, Sohn, Joo‐Hyuk, Hurvitz, Sara A., Lalla, Deepa, Fang, Liang, Althaus, Betsy, Guardino, Ellie +1 more·2014·Cancer

Abstract

BACKGROUND: This report describes the results of an analysis of patient-reported outcomes from EMILIA (TDM4370g/BO21977), a randomized phase 3 study of the antibody-drug conjugate trastuzumab emtansine (T-DM1) versus capecitabine and lapatinib in human epidermal growth factor receptor 2 (HER2)-positive locally advanced or metastatic breast cancer. METHODS: A secondary endpoint of the EMILIA study was time to symptom worsening (time from randomization to the first documentation of a ≥ 5-point decrease from baseline) as measured by the Trial Outcome Index Physical/Functional/Breast (TOI-PFB) subset of the Functional Assessment of Cancer Therapy-Breast questionnaire. Predefined exploratory patient-reported outcome endpoints included proportion of patients with a clinically significant improvement in symptoms (per TOI-PFB) and proportion of patients with diarrhea symptoms (per Diarrhea Assessment Scale). RESULTS: In the T-DM1 arm, 450 of 495 patients had a baseline and ≥ 1 postbaseline TOI-PFB score versus 445 of 496 patients in the capecitabine-plus-lapatinib arm. Time to symptom worsening was delayed in the T-DM1 arm versus the capecitabine-plus-lapatinib arm (7.1 months versus 4.6 months, respectively; hazard ratio = 0.796; P = .0121). In the T-DM1 arm, 55.3% of patients developed clinically significant improvement in symptoms from baseline versus 49.4% in the capecitabine-plus-lapatinib arm (P = .0842). Although similar at baseline, the number of patients reporting diarrhea symptoms increased 1.5- to 2-fold during treatment with capecitabine and lapatinib but remained near baseline levels in the T-DM1 arm. CONCLUSIONS: Together with the EMILIA primary data, these results support the concept that T-DM1 has greater efficacy and tolerability than capecitabine plus lapatinib, which may translate into improvements in health-related quality of life.

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  1. Chambers KK, McMillan SC. In: Frank-Stromborg M, Olson SJ, eds. Instruments for Clinical Health-Care Research. ed 2. Boston: Jones & Bartlett Publishers; 1997:487-497.

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Authors
Welslau, M., Diéras, V., Sohn, J., Hurvitz, S. A., Lalla, D., Fang, L., Althaus, B., Guardino, E., & Miles, D.
Affiliations
  • Klinikum Aschaffenburg (DE)
  • Institut Curie Paris France
  • Yonsei University College of Medicine Seoul South Korea
  • University of California, Los Angeles (US)
  • Genentech (US)
  • Mount Vernon Hospital (GB)
Corresponding author
Welslau, Manfred
Venue
Cancer
Publisher
Wiley
Published
2013-11-12
Volume
120
Issue
5
Pages
642-651
ISSN
  • 0008-543X (ISSN-L)
  • 1097-0142
OpenAlex
W1923236865
Cited by
126
References
23
Citations by year
2026: 3 · 2025: 2 · 2024: 6 · 2023: 4 · 2022: 11 · 2021: 8 · 2020: 3 · 2019: 7 · 2018: 15 · 2017: 18 · 2016: 19 · 2015: 17 · 2014: 10 · 2013: 3
FWCI
8.74
Type
journal article
Language
en
Open access
Locations
  • Cancer (publishedVersion)
  • PubMed (publishedVersion)
  • YUHSpace (Yonsei University Medical Library) (submittedVersion, cc-by-nc-nd)
Funders
Genentech
Topics
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Health Sciences › Medicine › Oncology › Cancer survivorship and care
  • Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Health Systems, Economic Evaluations, Quality of Life
Keywords
trastuzumab emtansine, HER2-positive breast cancer, metastatic breast cancer, locally advanced breast cancer, capecitabine, lapatinib, patient-reported outcomes, diarrhea, health-related quality of life, antibody-drug conjugates
MeSH terms
Trastuzumab, Capecitabine, Lapatinib, Ado-Trastuzumab Emtansine, Adult, Aged, Antineoplastic Combined Chemotherapy Protocols, Breast Neoplasms, Deoxycytidine, Diarrhea, Drug Administration Schedule, Female, Fluorouracil, Health Status, Humans, Maytansine, Middle Aged, Quality of Life, Surveys and Questionnaires, Quinazolines, Time Factors, Biomarkers, Tumor, Treatment Outcome, Drug Monitoring, Disease-Free Survival, Erb-b2 Receptor Tyrosine Kinases, Self Report, Antibodies, Monoclonal, Humanized

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