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  • Title: [New taxanes and epothilone derivatives in clinical trials].
    Author: Lavelle F.
    Journal: Bull Cancer; 2002 Apr; 89(4):343-50. PubMed ID: 12016034.
    Abstract:
    This review describes the experimental and clinical properties of new taxanes and epothilones. Six new taxanes are currently in clinical trials: BMS 184476, BMS 188797, BMS 275183, IDN 5109/BAY 598862, RPR 109881A et RPR 116258 All these derivatives share the same feature which is a decreased recognition by Pgp-170, the product of the MDR1 gene. This confers innovative properties such as in vitro and in vivo activities on tumors expressing the Pgp-170, activity by the oral route. Identification of other families of molecules bearing the same mechanism of action as taxol has been a goal pursued by many groups. The discovery of epothilones led to the pharmaceutical development of two molecules: EPO 906 (which corresponds to the natural compound epothilone B) and BMS 247550. Phase I clinical trials have established that all these investigational drugs (taxanes and epothilones) can be safely administered in patients, the limiting toxicity being most of the time febrile neutropenia. Many tumor responses have been noted.
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