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XYOTAX polyglutamate cancer research drug
XYOTAX in lung cancer
XYOTAX in ovarian cancer
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CT-2106 polyglutamate cancer research drug
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OPAXIO™ (paclitaxel poliglumex, CT-2103)

(Formerly known as XYOTAX)

OPAXIO (Oh-packs-ee-oh) is our novel chemotherapeutic agent that links paclitaxel to a biodegradable polymer using our polyglutamate drug delivery technology. OPAXIOwas designed to improve the delivery of paclitaxel to tumor tissue while protecting normal tissue from toxic side effects.

Because the polymer is water-soluble, OPAXIO can be administered without solvents and other required premedications. It also can be infused over an average of ten to twenty minutes. When bound to the polymer, the chemotherapy is rendered inactive, potentially sparing normal tissue's exposure to high levels of unbound, active chemotherapy and its associated toxicities. OPAXIO remains stable in the bloodstream for several days after administration; this prolonged circulation allows the passive accumulation of OPAXIO in tumor tissue.

OPAXIO Clinical Research

We are currently studying OPAXIO in pivotal trials for non-small cell lung (NSCLC) and ovarian cancers.

OPAXIO Resources

XYOTAX MOA
Video animation of polyglutamate technology and selective delivery of tumor-killing drug

  Bullet Windows Media Player (17.6mb)
  Bullet QuickTime movie (8.5mb)
  Bullet MP4 (8.1mb)
OPAXIO Fact Sheet (226k PDF)
OPAXIO References (50k PDF)
Polyglutamate drug delivery technology
Clinical trials
Press releases
Investor Updates


Posted May 13, 2008

Copyright © 2004-2008 Cell Therapeutics, Inc., Seattle, WA, USA. All rights reserved. "Making cancer more treatable" is a registered mark of CTI.