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PURPOSE This study was undertaken to investigate the effects of epidermal growth factor receptor (EGFR) mutation and its downstream signaling on response and survival in non-small-cell lung cancer (NSCLC) patients treated with gefitinib. PATIENTS AND METHODS For 90 consecutive NSCLC patients who had received gefitinib, EGFR mutation was analyzed by DNA(More)
PURPOSE The rationale for developing an alternative paclitaxel formulation concerns Cremophor EL-related side effects, and a novel paclitaxel delivery system might augment its therapeutic efficacy. Genexol-PM is a polymeric micelle formulated paclitaxel free of Cremophor EL. A phase I study was performed to determine the maximum tolerated dosage,(More)
PURPOSE Mutations in epidermal growth factor receptor (EGFR) are strongly predictive of gefitinib efficacy in non-small-cell lung cancer. However, the presence of EGFR mutant nonresponses and nonmutant responses points out the need for more comprehensive analysis. PATIENTS AND METHODS For 69 non-small-cell lung cancer patients treated with gefitinib, we(More)
OBJECTIVE The aim of the present study was to confirm the efficacy and tolerability of docetaxel 75 mg/m(2) in a population of Korean patients with advanced gastric cancer. METHODS Patients with metastatic or locally recurrent gastric cancer received docetaxel 75 mg/m(2) by intravenous infusion every 3 weeks. Objective response rate was the primary(More)
AIMS S-1, an oral fluoropyrimidine, contains tegafur, which is converted to 5-fluorouracil mainly by CYP2A6. We evaluated the association between CYP2A6 polymorphisms and treatment outcome in metastatic gastric cancer patients treated with S-1 plus docetaxel. MATERIALS & METHODS Chemonaive patients received S-1 40 mg/m(2) twice daily on days 1-14 and(More)
The expression of hypoxia inducible factor (HIF)-1alpha protein is tightly regulated by cellular oxygen status. Namely, HIF-1alpha protein is degraded rapidly in normoxic cells, whereas hypoxia stabilizes HIF-1alpha to transactivate hypoxia-responsive genes. Here we show that HIF-1alpha protein is expressed aberrantly in gastric cancer cells under normoxia(More)
This study was launched to determine the prognostic significance of local tumor invasiveness (LTI) in 114 patients diagnosed with stage I(E)/II(E) extranodal natural killer (NK)/T-cell lymphoma, nasal type (NTCL). LTI was defined as bony invasion or destruction or tumor invasion of the skin. Complete remission (CR), overall survival (OS), and disease-free(More)
Although most patients diagnosed with extranodal NK/T-cell lymphoma (NTCL) have localized disease, radiotherapy alone is unsatisfactory because of frequent systemic failure and conventional doxorubicin-based chemotherapy has low efficacy. Twenty-six patients with NTCL received ifosfamide, methotrexate, etoposide and prednisolone (IMEP) chemotherapy as(More)
Because of unsatisfactory treatment results with 5-fluorouracil-based palliative combination chemotherapy for advanced gastric cancer, the evaluation of new effective and well-tolerated regimens is needed. We conducted a multi-center, late phase II trial to evaluate the efficacy and safety of Genexol (a paclitaxel formulation) combined chemotherapy with(More)
Purpose: To evaluate the efficacy and toxicity of chemotherapy with ACNU (1-(4-amino-2-methyl-5-pyrimidinyl)-methyl-(2-chloroethyl)-3-nitrosourea) plus cisplatin followed by cranial irradiation in patients with newly diagnosed glioblastoma multiforme. Patients and methods: Between August 1999 and July 2001, previously untreated 30 patients with(More)