نتایج جستجو برای: fulvestrant
تعداد نتایج: 782 فیلتر نتایج به سال:
Hormone-dependent estrogen receptor (ER)-positive breast cancer cells may adapt to low estrogen environments such as produced by aromatase inhibitors. In many instances, cells become insensitive to the effects of estrogen but may still retain dependence on ER. We have investigated the expression, function, and activation of ERa in two endocrine-resistant MCF-7 models to identify mechanisms that...
INTRODUCTION The role of miRNAs in acquired endocrine-resistant breast cancer is not fully understood. One hallmark of tumor progression is epithelial-to-mesenchymal transition (EMT), characterized by a loss of cell adhesion resulting from reduced E-cadherin and increased cell mobility. miR-200 family members regulate EMT by suppressing expression of transcriptional repressors ZEB1/2. Previousl...
Metastatic prostate cancer is an incurable disease. After a period of hormone sensitivity that allows for the use of antiandrogens, the disease invariably progresses to a situation of androgen-independent growth, which deserves the consideration or the use of chemotherapy. As many of these patients are elderly and fragile, treatment with chemotherapy is challenging. Therefore, new drugs are req...
Although the use of endocrine therapy in combination with intravenous chemotherapy has not been standardized, the combination of fulvestrant and chemotherapy may be promising. A 62-year-old woman came to our hospital's outpatient clinic with extensive ascites. Approximately 10 years earlier, she had undergone mastectomy and sentinel lymph node biopsy. Pathologically invasive lobular carcinoma, ...
Cyclin-dependent kinase 4 and 6 (CDK4/6) inhibitors are usually combined with fulvestrant or aromatase for the treatment of patients metastatic breast cancer (mBC). Drug-drug interactions may affect absorption by different mechanims, instance, modification digestive pH. Proton pump (PPIs) known to reduce oral bioavailability some anticancer drugs. Palbociclib is a weak base pH-dependent solubil...
PURPOSE Patients with hormone-sensitive breast cancer who have responded to tamoxifen (TAM) may receive additional benefit from a second endocrine agent after progression or relapse after TAM therapy. Fulvestrant (FVT; Faslodex; i.m. injection, ICI 182,780; AstraZeneca Pharmaceuticals, Wilmington, DE) was developed as a selective antagonist of estrogen. In postmenopausal women, FVT is reported ...
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