Combination Chemotherapy of Mitomycin C and Methotrexate Was Effective on Metastatic Breast Cancer Resistant to Eribulin, Vinorelbine, and Bevacizumab after Anthracycline, Taxane, and Capecitabine

Complete cure of metastatic breast cancer (MBC) is still considered difficult even after the development of new drugs. While new drugs have been continuously developed, conventional drugs such as mitomycin C (MMC) and methotrexate (MTX) have become less used. Combination chemotherapy with MMC and MT...

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Main Author: Masahiko Tanabe
Format: Article
Language:English
Published: Karger Publishers 2016-08-01
Series:Case Reports in Oncology
Subjects:
Online Access:http://www.karger.com/Article/FullText/447770
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author Masahiko Tanabe
author_facet Masahiko Tanabe
author_sort Masahiko Tanabe
collection DOAJ
description Complete cure of metastatic breast cancer (MBC) is still considered difficult even after the development of new drugs. While new drugs have been continuously developed, conventional drugs such as mitomycin C (MMC) and methotrexate (MTX) have become less used. Combination chemotherapy with MMC and MTX (MMC/MTX) was reported to be effective for 9.7–19.4% of 31 patients with human epidermal growth factor receptor type 2 (HER2)-negative MBC who were aggressively treated with anthracycline, taxane, capecitabine, and vinorelbine. However, its efficacy, when it is used after newly developed drugs such as eribulin and bevacizumab, is yet to be evaluated. We here introduce one case in which MMC/MTX was effective for MBC that was resistant to chemotherapy with eribulin, vinorelbine, and bevacizumab with paclitaxel after sequential treatment with anthracycline, taxane, capecitabine, and several hormonal therapies. Lung metastasis was newly observed after sequential treatment of MBC for 6 years. Although the disease was resistant to chemotherapy of eribulin, vinorelbine, and bevacizumab with paclitaxel, it responded well to the treatment of MMC/MTX, which continued for 7 months. This case suggests that MMC/MTX could be an effective treatment for MBC patients when the disease progressively develops even after aggressive treatment with multiple regimens.
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spelling doaj.art-8b377697bdfa4e0aa588e9a98fc7de072022-12-21T23:25:07ZengKarger PublishersCase Reports in Oncology1662-65752016-08-019242242610.1159/000447770447770Combination Chemotherapy of Mitomycin C and Methotrexate Was Effective on Metastatic Breast Cancer Resistant to Eribulin, Vinorelbine, and Bevacizumab after Anthracycline, Taxane, and CapecitabineMasahiko TanabeComplete cure of metastatic breast cancer (MBC) is still considered difficult even after the development of new drugs. While new drugs have been continuously developed, conventional drugs such as mitomycin C (MMC) and methotrexate (MTX) have become less used. Combination chemotherapy with MMC and MTX (MMC/MTX) was reported to be effective for 9.7–19.4% of 31 patients with human epidermal growth factor receptor type 2 (HER2)-negative MBC who were aggressively treated with anthracycline, taxane, capecitabine, and vinorelbine. However, its efficacy, when it is used after newly developed drugs such as eribulin and bevacizumab, is yet to be evaluated. We here introduce one case in which MMC/MTX was effective for MBC that was resistant to chemotherapy with eribulin, vinorelbine, and bevacizumab with paclitaxel after sequential treatment with anthracycline, taxane, capecitabine, and several hormonal therapies. Lung metastasis was newly observed after sequential treatment of MBC for 6 years. Although the disease was resistant to chemotherapy of eribulin, vinorelbine, and bevacizumab with paclitaxel, it responded well to the treatment of MMC/MTX, which continued for 7 months. This case suggests that MMC/MTX could be an effective treatment for MBC patients when the disease progressively develops even after aggressive treatment with multiple regimens.http://www.karger.com/Article/FullText/447770Metastatic breast cancerMitomycin CMethotrexate
spellingShingle Masahiko Tanabe
Combination Chemotherapy of Mitomycin C and Methotrexate Was Effective on Metastatic Breast Cancer Resistant to Eribulin, Vinorelbine, and Bevacizumab after Anthracycline, Taxane, and Capecitabine
Case Reports in Oncology
Metastatic breast cancer
Mitomycin C
Methotrexate
title Combination Chemotherapy of Mitomycin C and Methotrexate Was Effective on Metastatic Breast Cancer Resistant to Eribulin, Vinorelbine, and Bevacizumab after Anthracycline, Taxane, and Capecitabine
title_full Combination Chemotherapy of Mitomycin C and Methotrexate Was Effective on Metastatic Breast Cancer Resistant to Eribulin, Vinorelbine, and Bevacizumab after Anthracycline, Taxane, and Capecitabine
title_fullStr Combination Chemotherapy of Mitomycin C and Methotrexate Was Effective on Metastatic Breast Cancer Resistant to Eribulin, Vinorelbine, and Bevacizumab after Anthracycline, Taxane, and Capecitabine
title_full_unstemmed Combination Chemotherapy of Mitomycin C and Methotrexate Was Effective on Metastatic Breast Cancer Resistant to Eribulin, Vinorelbine, and Bevacizumab after Anthracycline, Taxane, and Capecitabine
title_short Combination Chemotherapy of Mitomycin C and Methotrexate Was Effective on Metastatic Breast Cancer Resistant to Eribulin, Vinorelbine, and Bevacizumab after Anthracycline, Taxane, and Capecitabine
title_sort combination chemotherapy of mitomycin c and methotrexate was effective on metastatic breast cancer resistant to eribulin vinorelbine and bevacizumab after anthracycline taxane and capecitabine
topic Metastatic breast cancer
Mitomycin C
Methotrexate
url http://www.karger.com/Article/FullText/447770
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