[An Elderly Patient with Metastatic Breast Cancer Who Developed Severe Adverse Events such as Stomatitis and Interstitial Pneumonia after Everolimus plus Exemestane Treatment].

[An Elderly Patient with Metastatic Breast Cancer Who Developed Severe Adverse Events such as Stomatitis and Interstitial Pneumonia after Everolimus plus Exemestane Treatment].

Gan To Kagaku Ryoho. 2016 Jun;43(6):753-5

Authors: Sakiyama K, Yoshida T, Goto Y, Kimura M

Abstract
An 80-year-old woman was diagnosed with right breast cancer with clinical Stage IIIA 6 years previously. She underwent mastectomy and axillary lymph node dissection. The pathological diagnosis was invasive micropapillary carcinoma with lymph node involvement. Immunohistochemically, the tumor was positive for estrogen receptor and progesterone receptor, and negative for HER2. Postoperatively, the patient was treated with adjuvant chemotherapy consisting of cyclophosphamide, epirubicin, 5-fluorouracil, and paclitaxel, followed by endocrine therapy with letrozole. Four years after surgery, she experienced a recurrence of breast cancer in the thoracic wall, and was treated with exemestane, toremifene, and fulvestrant for 1 year and 5 months. However, she developed carcinomatous pleurisy and was treated with eribulin. This last treatment was ineffective. Subsequently, she received combination therapy with everolimus and exemestane. Although the pleural effusion reduced markedly after 5 weeks, stomatitis, diarrhea, melena, and interstitial pneumonia occurred as adverse events. The symptoms improved after drug discontinuation and steroid therapy. The combination therapy with everolimus and exemestane is a prospective therapy for hormone-resistant recurrent breast cancer, but the management of adverse events is very important.

PMID: 27306814 [PubMed - in process]

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