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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)
Carzelesin (U80,244, I) is a cyclopropylpyrroloindole prodrug analog. The compound exerts its cytotoxic activity after conversion, via U-76,073 (II) to U-76,074 (III) by binding to the DNA minor groove in a sequence selective fashion. In pre-clinical investigations the drug displayed a broad spectrum activity against human xenografts in mice. To enable(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)
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)
Rhizoxin is a tubulin-binding cytotoxic compound, isolated from the fungus Rhizopus chinensis, with significant antineoplastic activity in several murine and human tumor models. In this Phase I study, the drug was administered by i.v. bolus injection at 3-wk intervals. Twenty-four patients with refractory solid tumors were treated; 60 courses of rhizoxin(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(More)
Rhizoxin is a 16-membered antifungal macrocyclic lactone isolated from the plant pathogenic fungus Rhizopus chinensis. The compound binds to tubulin, preventing microtubule formation, and inhibiting mitosis. It possesses antitumour activity in vivo against various preclinical murine models, both leukaemias and solid tumours model, as well as in vincristine-(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 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)