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ChemGenex reports successful personalized dosing of Quinamed at ASCO

rapid and intermediate acetylators and 77% of slow acetylators showed no dose-limiting drug toxicities or dose-delay/holds during treatment.
  • In a population of heavily pretreated patients who were refractory to multiple existing therapies and who had advanced tumors, there was evidence of antitumor activity in a range of tumor types. Three prostate cancer showed a decline in prostate specific antigen (PSA), with one of these achieving a partial response. Two patients with ovarian cancer achieved stable disease accompanied by a decline in the ovarian cancer biomarker CA125. One patient with gastrointestinal stromal tumor (GIST) demonstrated stable disease which was sustained over 18 monthly cycles of amonafide.

    Greg Collier, Ph.D., Chief Executive Officer and Managing Director of ChemGenex said that the results were a significant step in the development of personalized medicines. The data that Dr Kuhn presented today show very clearly that we now understand the effect of genotype on amonafide metabolism, and that we can dose patients to minimize the side effects of therapy. We are encouraged by the signs of anticancer activity across a range of tumor types in patients who had failed multiple prior therapies, and look forward to progressing Quinamed into further development for indications where the clinical need and commercial potential is greatest.


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    • Contact: Joan Kureczka
    jkureczka@comcast.net
    415-821-2413
    Kureczka/Martin Associates
    4-Jun-2007


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