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| Cell Therapeutics Announces Data Safety and Monitoring Board Recommendation to Continue the GOG-0212 Phase 3 Clinical Trial of OPAXIOTM as Maintenance Therapy in Ovarian Cancer |
The trial is being conducted and managed by the GOG, which is one of the National Cancer Institute's (NCI) funded cooperative cancer research groups focused on the study of gynecologic malignancies. "This is an important milestone for our OPAXIO clinical development program and potentially for women with advanced ovarian cancer," noted The GOG-0212 study is a randomized, multicenter, open label Phase 3 trial of either monthly OPAXIO or Taxol® for up to 12 consecutive months compared to surveillance among women with advanced ovarian cancer who have no evidence of disease following first-line platinum-taxane based therapy. For purposes of registration, the primary endpoint of the study is overall survival of OPAXIO compared to surveillance. Secondary endpoints are progression-free survival, safety and quality of life. The statistical analysis plan calls for four interim analyses and one final analysis, each with boundaries for early closure for superior efficacy or for futility. The Company expects the next interim analysis to occur in the second half of 2013.Additional information about GOG-0212 may be found at www.clinicaltrials.gov, study ID NCT00108745. In About Ovarian Cancer Ovarian cancer is the eighth most commonly diagnosed cancer in women and the seventh leading cause of cancer death among women worldwide. Annually, over 220,000 women will be diagnosed with ovarian cancer around the world and approximately 140,000 will die from the disease.1 In 2012, it was estimated that 22,280 new cases of ovarian cancer would be diagnosed in the U.S. and 15,500 deaths would result. Ovarian cancer is the most lethal of the gynecologic malignancies. Treatment for ovarian cancer usually involves advanced surgery and chemotherapy.2 About OPAXIO OPAXIO™ (paclitaxel poliglumex, CT-2103), is an investigational, biologically enhanced, chemotherapeutic that links paclitaxel, the active ingredient in Taxol®, to a biodegradable polyglutamate polymer, which results in a new chemical entity. When bound to the polymer, paclitaxel is inactive, potentially sparing normal tissue's exposure to high levels of paclitaxel and its associated toxicities. Blood vessels in tumor tissue, unlike blood vessels in normal tissue, are porous to macromolecules such as OPAXIO. Based on preclinical studies, it appears that OPAXIO is preferentially distributed to tumors due to their leaky blood vessels and trapped in the tumor bed, allowing significantly more of the dose of chemotherapy to localize in the tumor than with standard paclitaxel. Once inside the tumor cell, enzymes metabolize the protein polymer, releasing active paclitaxel. Unlike standard radiosensitizing agents, OPAXIO appears tumor selective and does not appear to enhance radiation toxicity to normal tissues. About the About CTI OPAXIO is a trademark of References:
This press release includes forward-looking statements that involve a number of risks and uncertainties the outcome of which could materially and/or adversely affect actual future results and the market price of CTI's securities. Specifically, the risks and uncertainties that could affect the development of OPAXIO include risks associated with preclinical and clinical developments in the biopharmaceutical industry in general, and with OPAXIO in particular, including, without limitation, the potential failure of OPAXIO to prove safe and effective for the treatment of patients with , either ovarian cancer or in combination regimens, as determined by the Contacts:
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