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Cell Therapeutics, Inc.

Cell Therapeutics, Inc. granted U.S. patent for antitubulin agents with anti-cancer activity

Published in Law and Health Weekly, May 13th, 2006

Cell Therapeutics, Inc. (CTI) (CTIC; MTAX) announced that the United States Patent and Trademark Office granted a patent for a new class of small molecule antitubulin agents with potent antiproliferative and tumor killing activity.

CT-45099 is the first lead optimized agent from this class of compounds to advance into preclinical testing. The patent, owned by CTI's European subsidiary, Cell Therapeutics Europe S.r.l. (CTI-Europe), covers analogs of CT-45099 and will expire in April 2022. CT-45099 is protected by a U.S. and European patent already granted to CTI-Europe.

Unlike the marketed taxane-based cancer drugs, Taxol (paclitaxel) and Taxotere...

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