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Details of the Study
The phase III trial, reported by Mary E. R. O'Brien, M.D., F.R.C.P., et al, of the Royal Marsden Hospital and the Kent Cancer Centre in Surrey, UK, was a randomized, multi-center trial. The trial was conducted at 83 centers in ten countries, and randomized on a 1:1 ratio to evaluate the efficacy and safety of this regimen in patients with chemotherapy-nave NSCLC. Patients with advanced stage IIIb/IV NSCLC and PS 2 were treated with OPAXIO on day 1 of a 21-day cycle, while patients receiving gemcitabine were treated on days 1, 8, and 15 of each 28-day cycle. Vinorelbine was administered on days 1, 8, and 15 of each 21-day cycle. Patients received up to six cycles of treatment, and were not treated until significant toxicities were under control (less than or equal to grade 1). The primary objective was effect on survival, and secondary objectives were determining the efficacy and safety of the treatments.
About OPAXIO(TM)
OPAXIO(TM) (paclitaxel poliglumex, CT-2103), which was previously
branded as XYOTAX(TM), is an investigational, biologically enhanced,
chemotherapeutic that links paclitaxel, the active ingredient in Taxol(R),
to a biodegradable polyglutamate polymer, which results in a new chemical
entity. When bound to the polymer, paclitaxel is rendered inactive,
potentially sparing normal tissue's exposure to high levels of the active
drug and its associated toxicities. Blood vessels in tumor tissue, unlike
blood vessels in normal tissue, are porous to molecules l
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