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A lipophilic derivative of neocarzinostatin (NCS), an antitumor antibiotic, was prepared by reaction with a synthetic water-soluble polymer, [(styrene)1 approximately 3-(maleic acid 4 approximately 7/anhydride 1)]. The reaction was carried out at pH 8.6 for 3 h and aimed at modifying the two nonessential amino groups (alpha-amino of Ala-1, epsilon-amino of(More)
BACKGROUND The secondary epidermal growth factor receptor (EGFR) mutation Thr790Met (T790M) accounts for approximately half of acquired resistances to EGFR-tyrosine kinase inhibitor (TKI). Recent reports have demonstrated that the emergence of T790M predicts a favorable prognosis and indolent progression. However, rebiopsy to confirm T790M status can be(More)
After initial response to epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs), approximately one-third of patients develop central nervous system (CNS) metastases, including leptomeningeal metastases (LM). To achieve longer survival, control of CNS metastases is important, but therapeutic options are limited for LM after failure of(More)
BACKGROUND EGFR gene mutation is independently associated with a favorable response in non-small-cell lung cancer (NSCLC) patients receiving epidermal growth factor receptor -tyrosine kinase inhibitors (EGFR-TKIs), regardless of sex or smoking history. Squamous cell carcinoma patients harboring EGFR mutations show a significantly worse response to EGFR-TKIs(More)
The aim of our study was to investigate the efficacy and safety of pemetrexed monotherapy in chemo-naïve Eastern Cooperative Oncology Group (ECOG) performance status (PS) 2 patients with epidermal growth factor receptor (EGFR) wild-type or unknown advanced non-squamous non-small cell lung cancer (NSCLC). Pemetrexed was administered at 500 mg/m2 triweekly(More)
AIM The aim of this retrospective study was to evaluate bevacizumab combined with weekly paclitaxel with and without carboplatin in pre-treated patients with non-squamous non-small cell lung cancer (NSCLC). PATIENTS AND METHODS Between November 2009 and October 2011, 43 pre-treated patients with non-squamous NSCLC received bevacizumab (15 mg/kg, day 1)(More)
A pharmacokinetic one-compartment model for the cerebrospinal infusion for the brain tumor chemotherapy is described together with various parameters used for computer simulation. An antitumor protein, neocarzinostatin (NCS) as a prototype drug, has been utilized since it was found effective against glioblastoma cells at extremely low concentration (less(More)
Blood coagulation capacity increases with age in healthy individuals. Through extensive longitudinal analyses of human factor IX gene expression in transgenic mice, two essential age-regulatory elements, AE5' and AE3', have been identified. These elements are required and together are sufficient for normal age regulation of factor IX expression. AE5', a(More)
The aim of this study was to detect the epidermal growth factor receptor (EGFR)-activating mutations and other oncogene alterations in patients with non-small-cell lung cancers (NSCLC) who experienced a treatment failure in response to EGFR-tyrosine kinase inhibitors (TKIs) with a next generation sequencer. Fifteen patients with advanced NSCLC previously(More)