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We investigated the pharmacokinetic behavior of carzelesin in 31 patients receiving this drug by 10-min intravenous infusion in a Phase I clinical trial, which was conducted at institutions in Nijmegen (institution 1) and Brussels (institution 2). The dose steps were 24, 48, 96, 130, 150, 170, 210, 250, and 300 microg/m2. Carzelesin is a(More)
Carzelesin is a novel cyclopropylpyrroloindole prodrug analogue that has recently been tested in Phase I clinical trials. To increase our understanding in the pharmacology of this new class of cytotoxic drugs, we have compared the pharmacology of this drug in mice, rats, and humans. The mouse was the most tolerant [10% lethal dose (LD10), 500 microg/kg],(More)
EO9 is a novel and fully synthetic bioreductive alkylating indoloquinone. Although structurally-related to mitomycin C, EO9 exhibits a distinct preclinical antitumour profile and there are also differences in its biochemical activation. In this study, EO9 was found to demonstrate preferential cytotoxicity against solid tumours in vitro as compared to(More)
PURPOSE New classes of anticancer drugs, isolated from marine organisms, have been shown to possess cytotoxic activity against multiple tumor types. Aplidine, didemnin B, and isohomohalichondrin B (IHB), among the more promising antitumor candidates, have been evaluated in the present study on a comparative basis in terms of their antiproliferative activity(More)
A method was developed for the bio-analysis of Ecteinascidin 743 (ET-743) using miniaturized liquid chromatography (LC) coupled to an electrospray ionization sample inlet (TurbolonSpray) and two quadrupole mass analyzers (LC/ESI-MS/MS). Solid-phase extraction was used as a sample pretreatment procedure. Ecteinascidin 743 is a very potent anticancer compound(More)
Aplidine is a naturally occurring cyclic depsipeptide isolated from the Mediterranean tunicate Aplidium albicans. Aplidine displays promising in vitro and in vivo antitumor activities against various solid human tumor xenografts and is therefore developed now for clinical testing. The aim of this study was to develop a stable parenteral pharmaceutical(More)
The pharmaceutical formulation of a new anti-tumour agent has often been perceived as the bottleneck in anti-cancer drug development. In order to increase the speed of this essential development step, the Cancer Research Campaign (CRC), the European Organization for Research and Treatment of Cancer (EORTC) and the National Cancer Institute (NCI) agreed in(More)
The aim of this study was to design a stable parenteral dosing form of the investigational cytotoxic drug, encoded EO9. EO9 exhibits poor aqueous solubility and stability characteristics. Freeze-drying was selected as the manufacturing process. Differential scanning calorimetry studies were conducted to determine the freeze-drying cycle parameters. A stable(More)
Aplidine is a novel marine-derived antitumor agent isolated from the Mediterranean tunicate Aplidium albicans. The compound is pharmaceutically formulated as a lyophilized product containing 500 microg active substance per dosage unit. Prior to i.v. administration it is reconstituted with a solution composed of Cremophor EL, ethanol absolute and Water for(More)