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Abstract

The present invention discloses and claims methods and compositions for the treatment of platinum and/or taxane cancer treating agent-resistant/-refractory sub-populations and/or the mucinous adenocarcinoma sub-type of ovarian cancer subjects with the silicon-containing highly lipophilic camptothecin derivative (HLCD), Karenitecin (also known as BNP1350; cositecan; 7-[(2′-trimethylsilyl)ethyl]-20(S) camptothecin). The administration of Karenitecin by intravenous (i.v.) and/or oral methodologies are also disclosed and claimed. Karenitecin analogues, including but not limited to, Germanium-substituted Karenitecin, Deuterated Karenitecin, and “flipped” E-ring Karenitecin, are disclosed and claimed. In addition, Karenitecin and one or more cancer treating agents administered either concomitantly or in series via oral and/or i.v. means, are also disclosed and claimed. Methods for the administration of Karenitecin to: (i) increase Progression Free Survival (PFS); (ii) increase the platinum-free time interval; (iii) decrease CA-125 marker levels; and (iv) mitigate or prevent chemotherapeutic drug-resistance from developing are disclosed and claimed herein. Methods for the use of Karenitecin to treat advanced solid tumors; refractory or recurrent solid tumors; recurrent malignant glioma; primary malignant glioma; persistent or recurrent epithelial ovarian or primary peritoneal carcinoma; and other identified cancer types are also disclosed and claimed.

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First Claim