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Capecitabine Plus Aromatase Inhibitor as First Line Therapy for Hormone Receptor Positive, HER2 Negative Metastatic Breast Cancer
(1) Background: recent evidence suggests that long low-dose capecitabine regimens have a synergistic effect with endocrine therapy as aromatase inhibitors (AIs), and might increase overall survival for hormone-receptor-positive, HER2-negative, metastatic breast cancer compared to both treatments. We...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10377785/ https://www.ncbi.nlm.nih.gov/pubmed/37504314 http://dx.doi.org/10.3390/curroncol30070454 |
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author | Alvarado-Miranda, Alberto Lara-Medina, Fernando Ulises Muñoz-Montaño, Wendy R. Zinser-Sierra, Juan W. Galeana, Paula Anel Cabrera Garza, Cynthia Villarreal Sanchez Benitez, Daniel Limón Rodríguez, Jesús Alberto Arce Salinas, Claudia Haydee Guijosa, Alberto Arrieta, Oscar |
author_facet | Alvarado-Miranda, Alberto Lara-Medina, Fernando Ulises Muñoz-Montaño, Wendy R. Zinser-Sierra, Juan W. Galeana, Paula Anel Cabrera Garza, Cynthia Villarreal Sanchez Benitez, Daniel Limón Rodríguez, Jesús Alberto Arce Salinas, Claudia Haydee Guijosa, Alberto Arrieta, Oscar |
author_sort | Alvarado-Miranda, Alberto |
collection | PubMed |
description | (1) Background: recent evidence suggests that long low-dose capecitabine regimens have a synergistic effect with endocrine therapy as aromatase inhibitors (AIs), and might increase overall survival for hormone-receptor-positive, HER2-negative, metastatic breast cancer compared to both treatments. We performed a retrospective study to confirm the efficacy and expand the safety data for capecitabine plus AI (a combination henceforth named XELIA) for this indication. (2) We conducted a single-center retrospective cohort study of 163 hormone receptor-positive metastatic breast cancer patients who received either the XELIA regimen, capecitabine, or an aromatase inhibitor (AI) as single agents in first-line treatment. The primary endpoint was progression-free survival, and the secondary endpoints were overall survival, best objective response, and toxicity incidence. (3) Results: the median progression-free survival for patients receiving XELIA, AI, and capecitabine was 29.37 months (20.91 to 37.84; 95% CI), 20.04 months (7.29 to 32.80; 95% CI) and 10.48 (8.69 to 12.28; 95% CI), respectively. The overall response rate was higher in the XELIA group (29.5%) than in the AI (14.3%) and capecitabine (9.1%) groups. However, the differences in overall survival were not statistically significant. Apart from hand–foot syndrome, there were no statistically significant differences in adverse events between the groups. (4) Conclusions: this retrospective study suggests that progression-free survival and overall response rates improved with the XELIA regimen compared to use of aromatase inhibitors and capecitabine alone. Combined use demonstrated an adequate safety profile and might represent an advantageous treatment in places where CDK 4/6 is not available. Larger studies and randomized clinical trials are required to confirm the effects shown in our study. |
format | Online Article Text |
id | pubmed-10377785 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-103777852023-07-29 Capecitabine Plus Aromatase Inhibitor as First Line Therapy for Hormone Receptor Positive, HER2 Negative Metastatic Breast Cancer Alvarado-Miranda, Alberto Lara-Medina, Fernando Ulises Muñoz-Montaño, Wendy R. Zinser-Sierra, Juan W. Galeana, Paula Anel Cabrera Garza, Cynthia Villarreal Sanchez Benitez, Daniel Limón Rodríguez, Jesús Alberto Arce Salinas, Claudia Haydee Guijosa, Alberto Arrieta, Oscar Curr Oncol Article (1) Background: recent evidence suggests that long low-dose capecitabine regimens have a synergistic effect with endocrine therapy as aromatase inhibitors (AIs), and might increase overall survival for hormone-receptor-positive, HER2-negative, metastatic breast cancer compared to both treatments. We performed a retrospective study to confirm the efficacy and expand the safety data for capecitabine plus AI (a combination henceforth named XELIA) for this indication. (2) We conducted a single-center retrospective cohort study of 163 hormone receptor-positive metastatic breast cancer patients who received either the XELIA regimen, capecitabine, or an aromatase inhibitor (AI) as single agents in first-line treatment. The primary endpoint was progression-free survival, and the secondary endpoints were overall survival, best objective response, and toxicity incidence. (3) Results: the median progression-free survival for patients receiving XELIA, AI, and capecitabine was 29.37 months (20.91 to 37.84; 95% CI), 20.04 months (7.29 to 32.80; 95% CI) and 10.48 (8.69 to 12.28; 95% CI), respectively. The overall response rate was higher in the XELIA group (29.5%) than in the AI (14.3%) and capecitabine (9.1%) groups. However, the differences in overall survival were not statistically significant. Apart from hand–foot syndrome, there were no statistically significant differences in adverse events between the groups. (4) Conclusions: this retrospective study suggests that progression-free survival and overall response rates improved with the XELIA regimen compared to use of aromatase inhibitors and capecitabine alone. Combined use demonstrated an adequate safety profile and might represent an advantageous treatment in places where CDK 4/6 is not available. Larger studies and randomized clinical trials are required to confirm the effects shown in our study. MDPI 2023-06-24 /pmc/articles/PMC10377785/ /pubmed/37504314 http://dx.doi.org/10.3390/curroncol30070454 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Alvarado-Miranda, Alberto Lara-Medina, Fernando Ulises Muñoz-Montaño, Wendy R. Zinser-Sierra, Juan W. Galeana, Paula Anel Cabrera Garza, Cynthia Villarreal Sanchez Benitez, Daniel Limón Rodríguez, Jesús Alberto Arce Salinas, Claudia Haydee Guijosa, Alberto Arrieta, Oscar Capecitabine Plus Aromatase Inhibitor as First Line Therapy for Hormone Receptor Positive, HER2 Negative Metastatic Breast Cancer |
title | Capecitabine Plus Aromatase Inhibitor as First Line Therapy for Hormone Receptor Positive, HER2 Negative Metastatic Breast Cancer |
title_full | Capecitabine Plus Aromatase Inhibitor as First Line Therapy for Hormone Receptor Positive, HER2 Negative Metastatic Breast Cancer |
title_fullStr | Capecitabine Plus Aromatase Inhibitor as First Line Therapy for Hormone Receptor Positive, HER2 Negative Metastatic Breast Cancer |
title_full_unstemmed | Capecitabine Plus Aromatase Inhibitor as First Line Therapy for Hormone Receptor Positive, HER2 Negative Metastatic Breast Cancer |
title_short | Capecitabine Plus Aromatase Inhibitor as First Line Therapy for Hormone Receptor Positive, HER2 Negative Metastatic Breast Cancer |
title_sort | capecitabine plus aromatase inhibitor as first line therapy for hormone receptor positive, her2 negative metastatic breast cancer |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10377785/ https://www.ncbi.nlm.nih.gov/pubmed/37504314 http://dx.doi.org/10.3390/curroncol30070454 |
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