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Long-Term Complete Remission with nab-Paclitaxel, Bevacizumab, and Gemcitabine Combination Therapy in a Patient with Triple-Negative Metastatic Breast CancerMontero A. · Glück S.
Division of Hematology/Oncology, Department of Medicine, Sylvester Comprehensive Care Center, University of Miami, Leonard M. Miller School of Medicine, Miami, Fla., USA Corresponding Author
Stefan Glück, MD, PhD, FRCPC
Division of Hematology/Oncology, Sylvester Comprehensive Cancer Center
University of Miami, Leonard M. Miller School of Medicine
1475 NW 12th Ave., Miami, FL 33136 (USA)
This is a case study of a 52-year-old female patient diagnosed in June 2007 with primary metastatic invasive ductal carcinoma of the left breast and synchronous metastases in the bone, lymph nodes, and lung. Biopsy results of the tumor tissue were negative for the estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2 (HER2). In November 2007, she participated in a phase II study of metastatic HER2-negative breast cancer. Treatment consisted of systemic chemotherapy with gemcitabine 1,500 mg/m2, nab-paclitaxel 150 mg/m2, and bevacizumab 10 mg/kg once every other week. The patient experienced pain relief in her sternum after 5 weeks of chemotherapy, and her analgesic therapy was discontinued. After 7 months, the patient achieved a complete radiographic response, which was maintained for nearly 2 additional years. She continued receiving treatment throughout this period, requiring 1 dose reduction due to fatigue. The patient experienced no other adverse events, including neuropathy, and continued working uninterrupted throughout her treatment. The patient was discontinued from the study in May 2010 after disease progression, almost a full 3 years after diagnosis. The patient showed minimal response to subsequent therapies but had disease stabilization and died from her disease in April 2012. Median overall survival for patients with metastatic triple-negative breast cancer is between 12 and 13.3 months. This patient survived nearly 5 years following diagnosis. This case exemplifies how therapy with nab-paclitaxel, bevacizumab, and gemcitabine may prolong survival, with minimal toxicity, in select patients with triple-negative metastatic breast cancer.
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