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fda fast track nda abraxane |
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fda fast track nda abraxane American Pharmaceutical Partners and American BioScience Announce Filing of aNew Drug Application for FDA Approval of Abraxane for the Treatment of MetastaticBreast Cancer First Biologically Interactive Protein Nanoparticle Chemotherapy Resulted inAlmost Doubling of Response Rate and Prolongation of Time to Tumor Progressionin Women With Metastatic Breast Cancer SCHAUMBURG, Ill., March 8, 2004 -- American Pharmaceutical Partners, Inc fda fast track nda abraxane. (APP)and American BioScience, Inc fda fast track nda abraxane. (ABI) today announced that ABI has completed thefiling of a New Drug Application (NDA) to the U.S fda fast track nda abraxane. Food and Drug Administration(FDA) for Abraxane, for the treatment of metastatic breast cancer fda fast track nda abraxane. Using proprietarynanoparticle technology, Abraxane combines the active drug paclitaxel with anatural protein called albumin into a nanoparticle 1/100th the size of a redblood cell, avoiding the need for any solvent fda fast track nda abraxane. Abraxane is the first solvent-freenanoparticle albumin-bound chemotherapeutic, and may potentially exploit aninherent pathway for albumin receptor-mediated transport of drugs across endothelialcell walls of tumor neovasculature. The NDA was submitted under the FDA's Fast Track designation, which was designedto facilitate the development of drugs for which there is an unmet medical need fda fast track nda abraxane. As part of the NDA filing, ABI has requested FDA to consider the applicationfor priority review designation, which if so designated, could potentially acceleratethe approval of Abraxane fda fast track nda abraxane. The filing of the NDA is based upon supportive PhaseI and II clinical trials of Abraxane and a pivotal randomized controlled PhaseIII trial that compared the safety and efficacy of 260 mg/m2 of Abraxane to175 mg/m2 of Taxol(R) administered every three weeks in 460 patients with metastaticbreast cancer fda fast track nda abraxane. The Phase III trial demonstrated that Abraxane resulted in analmost doubling of the response rate and a prolongation of time to tumor progressionin first and second line patients with metastatic breast cancer fda fast track nda abraxane. In addition,the study confirmed that Abraxane could be administered safely over 30 minuteswithout the need for steroid premedication. This filing culminates a decade of preclinical and clinical research of Abraxaneas the first biologically interactive nanoparticle chemotherapy fda fast track nda abraxane. Preclinicalstudies demonstrated greater anti-tumor activity and higher intra- tumoral concentrationof Abraxane and these findings were predictive of the Phase III clinical results fda fast track nda abraxane. Potential explanations for these findings are provided by ongoing mechanisticstudies which suggest that the increased anti- tumor activity and increasedintra-tumoral concentration of the drug may be due, in part, to albumin-mediatedreceptor transport of the drug across the blood vessel wall into the tumor. According to Patrick Soon-Shiong, M.D., Chairman, President and Chief ExecutiveOfficer of American Pharmaceutical Partners, "Targeting endothelial celltransport is a novel approach to increasing drug concentration in the tumorand provides the opportunity to exploit a natural biological pathway the malignantcell inherently uses to supply itself nutrients and energy for rapid growth fda fast track nda abraxane. Using this mechanism, the target would be shifted from the tumor cells themselvesto the specific albumin receptor on the blood vessel wall of the tumor neovasculature fda fast track nda abraxane. Abraxane represents the first example of the albumin-bound nanoparticle technologyplatform which may have the potential to exploit this natural biological pathway." Abraxane was originally developed with the goal of addressing the toxicitiesassociated with the solvents Cremophor-EL and alcohol, used in Taxol fda fast track nda abraxane. Thesetoxicities required the need to premedicate patients with corticosteroids; requiredextended infusion times of Taxol; limited the dose of Taxol that could be administered;and, necessitated the use of specialized intravenous tubing sets to avoid leachingof plasticizers into the patient. ABI and APP are strategic partners in the development, manufacture and marketingof Abraxane fda fast track nda abraxane. ABI is responsible for the clinical development and registrationof Abraxane fda fast track nda abraxane. APP has licensed the exclusive North American manufacturing andmarketing rights for Abraxane fda fast track nda abraxane. APP has taken a number of steps in preparingfor the launch of Abraxane, including forming a proprietary drug division, AbraxisOncology, and hiring a seasoned sales and marketing and medical affairs teamwith extensive experience in oncology fda fast track nda abraxane. APP has made significant strides in buildinga drug sales force and thus far has hired over 50 sales representatives withmajor pharmaceutical oncology experience. About Breast Cancer About the Companies American Pharmaceutical Partners, Inc fda fast track nda abraxane. is a specialty drug company that develops,manufactures and markets injectable pharmaceutical products, focusing on theoncology, anti-infective and critical care markets fda fast track nda abraxane. APP has acquired the exclusiveNorth American rights to manufacture and market Abraxane(TM), a proprietarynanoparticle injectable oncology product that has completed Phase III clinicaltrials for metastatic breast cancer fda fast track nda abraxane. The company believes that it has establishedthe only commercial scale protein-engineered nanoparticle manufacturing capabilityin the United States. |
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