Efficacy of lapatinib-capecitabine combination in a patient with multiple metastasis from HER2-positive breast cancer
Efficacia della combinazione lapatinib-capecitabina in una paziente con metastasi plurime da carcinoma mammario HER2-positivo
DOI:
https://doi.org/10.19156/abtpn.2018.0040Keywords:
Metastatic breast cancer, trastuzumab-pertuzumab resistance, T-DM1, LapatinibAbstract
HER2 overexpression occurs in about 15-20% of breast cancer cases and is associated with rapid tumor growth. The introduction in clinical practice of several drugs inhibiting the biological activity of HER2, such as trastuzumab, pertuzumab, trastuzumab emtansine (T-DM1) and lapatinib, has clearly modified the prognosis for these patients. The combination of the two inhibitors of HER2, trastuzumab and pertuzumab, with a taxane (paclitaxel or docetaxel), is currently considered the first choice treatment for patients affected by HER2-positive metastatic breast cancer, whereas T-DM1 is considered the preferred treatment after the failure of first line therapy. We present the case of a 50-year-old woman affected by HER2-positive breast cancer with bone, hepatic, pulmonary and encephalic metastases, resistant both to trastuzumab-pertuzumab double-block treatment and to T-DM1, but sensitive to third line therapy to the combination lapatinib-capecitabine with a clinical response both for visceral and cerebral metastases (Oncology).
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