نتایج جستجو برای: gefitinib
تعداد نتایج: 3450 فیلتر نتایج به سال:
Somatic mutations in the epidermal growth factor receptor (EGFR) gene, such as exon 19 deletion mutations, are important factors in determining therapeutic responses to gefitinib in non-small-cell lung cancer (NSCLC). However, some patients have activating mutations in EGFR and show poor responses to gefitinib. In this study, we examined three NSCLC cell lines, HCC827, PC9, and HCC2935, that ex...
Lung cancer has a high mortality rate and is often diagnosed at the metastatic stage. Recently, gefitinib, a molecule target therapeutic drug, has offered a new approach for patients with non-small-cell lung cancer (NSCLC). This report describes the effects of gefitinib on bone metastases in two patients with NSCLC. The pain induced by a bone metastasis was relieved after the administration of ...
Gefitinib is a selective tyrosine kinase inhibitor of epidermal growth factor receptor (EGFR) used for the treatment malignant neoplasms. The most frequent skin complication during gefitinib therapy an acneiform papulopustular eruption, usually distributed in seborrheic areas but occasionally widespread. We report patient with erosive pustular dermatosis scalp, neutrophil-mediated disease prese...
Gefitinib is a potent drug used in the treatment of nonsmall-cell lung cancer (NSCLC). Gefitinib acts by inhibition of the epidermal growth factor receptor tyrosine kinase. Clinical trials have confirmed the efficacy of gefitinib for NSCLC. Adverse drug reactions, although frequent, are mild, and include acne-like skin rash and diarrhoea. The present study describes the case of a 56-yr-old male...
Gefitinib inhibits the ATP-binding site of the tyrosine kinase associated with the epidermal growth factor receptor. It is conceivable that gefitinib may inhibit functions of ATP-binding cassette (ABC) transporters by binding at their ATP-binding sites. The aim of this study is to systematically explore the combined effect of gefitinib and chemotherapeutic agents in gefitinib-insensitive multid...
PURPOSE Whole brain irradiation (WBRT) either with or without resection has historically been the treatment for brain metastases from non-small cell lung cancer (NSCLC). The effect of gamma knife (GK) radiosurgery, chemotherapy, or the combination remains incompletely defined. In this study, we assessed the outcome of brain metastases from non-small cell lung cancer treated by WBRT followed by ...
To explore the molecular pathway of circular RNA molecule in gefitinib acquired resistance nonsmall cell lung cancer and to provide a new therapeutic direction for clinical treatment non-small cancer. The gefitinib-sensitive strain H292_S was selected construct resistant model H292_R. Also, overexpression group vector control transfected circSETD3; knockdown plasmid H292_R circSETD3 were prepar...
The recent research shows that the inhibition of the nuclear factor-κB (NF-κB) pathway is a promising therapeutic option for patients who progress after treatment with the novel mutant-selective EGFR-TKIs. For propose to find a nontoxic drug to reverse the acquired gefitinib resistance, we examined whether the Liver X Receptors agonist GW3965 affect gefitinib resistance of HCC827/GR-8-2 cells. ...
BACKGROUND AND OBJECTIVE Acquired gefitinib-resistance was closely related to inefficiency of EGFR-TKI treatment in lung adenocarcinoma. However, it was not clear that how microRNAs influenced the acquired gefitinib-resistance in lung adenocarcinoma. The aim of this study is to screen and identify the microRNAs correlated with the acquired gefitinib -resistance in lung adenocarcinoma. METHODS...
Despite its tremendous antitumor effect in a subset of patients with non-small cell lung cancer (NSCLC), the exact mechanism of gefitinib-induced cell death has not been fully determined. In this study, forms of cell death in various NSCLC cell lines after gefitinib exposure was analyzed to elucidate the cell death mechanism of gefitinib. Though higher concentration of gefitinib (10 microM) ind...
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