Study of he Biophysical Mechanisms Regulating the Efficacy of Orally Administered
Study of he Biophysical Mechanisms Regulating the Efficacy of Orally Administered
批准号:
8564198
负责人:
NICHOLAS A PEPPAS
金额:
$22.24万
依托单位国家:
美国
项目类别:
财政年份:
2009
资助国家:
美国
项目状态:
已结题
起止时间:
2009-09-28 至 2015-07-31
关键词:
AcademyAnimal ModelAnimalsBiocompatible MaterialsBioinformaticsBiomedical EngineeringBlood CirculationCalcitoninCell ProliferationCellsCharacteristicsChemicalsChitosanCollaborationsColorectal CancerColorectal NeoplasmsDiffusionDiseaseDrug Delivery SystemsDrug KineticsElectrical ResistanceEngineeringEnhancersEnvironmentEpithelialEpithelial CellsEvaluationFaceGastrointestinal tract structureGrowthIn VitroInstitute of Medicine (U.S.)InsulinIntestinesIntraocular lens implant deviceKineticsLabelLegal patentMeasurementMeasuresMedical DeviceMembraneModelingOralOral AdministrationOsteoporosisPharmaceutical PreparationsPharmacy (field)Pharmacy facilityPhysicsPlasmaPostmenopauseProcessPropertyReactionResearchSignal TransductionStagingStimulusStructureSystemTestingTight JunctionsToxic effectTumor TissueUnited States National Academy of SciencesWomanabsorptionbile saltscarrier mediated transportchemical propertychemotherapeutic agentdesigndiabetic patientgastrointestinalgastrointestinal epitheliumhydrophilicityin vivointestinal epitheliumionizationmeetingsmembermetastatic colorectalmolecular recognitionmonolayernanobiotechnologynanodevicenanoparticlepH gradientparticlepreventprofessorresearch studyresponserestorationtooltranscytosistumortype I diabeticvocal cord
中文摘要
项目4处理口服化疗药物在被全身吸收和到达目标肿瘤组织的过程中遇到的各种物理障碍。这些障碍包括:胃肠道pH值的变化,酶降解,通过不同机制的上皮运输。为了研究和解决这些障碍,我们将使用我们的工程聚合物载体。该项目由Nicholas Peppas博士领导,使用项目1中描述的Fidler博士的动物模型。Nicholas Peppas博士是UTA化学,生物医学工程和制药部门的教授,也是Fletcher S. Pratt工程主席。Peppas博士是生物纳米技术和分子识别过程、控制药物输送的纳米器件和智能生物材料领域的全球领导者。在其他医疗设备中,他开发了人工晶状体、声带修复材料、用于I型糖尿病患者口服胰岛素的纳米输送系统、用于治疗患有骨质疏松症的绝经后妇女口服降钙素的系统,并获得了专利和/或商业化。Peppas博士是美国国家工程院的成员、美国国家科学院医学研究所的成员和法国药学院的成员。
英文摘要
Project 4 is dealing with various physical barriers that chemotherapeutical agent administered orally meets on its way to be systemically absorbed and to reach the target tumor tissue. These barriers include for example: changes in pH across the gastrointestinal (Gl) tract, enzymatic degradation, epithelial transport through different mechanisms. To study and tackle these barriers we will use our engineered polymeric carriers. This project is led by Dr. Nicholas Peppas using animal models of Dr. Fidler as described in Project 1. Dr. Nicholas Peppas is a Professor in the Departments of Chemical, Biomedical Engineering and Pharmaceutics and Fletcher S. Pratt Chair of Engineering at UTA. Dr. Peppas is a world leader in the fields of bionanotechnology and molecular recognition processes, nanodevices for controlled drug delivery, and intelligent biomaterials. Among other medical devices, he has developed, patented and/or commercialized intraocular lenses, materials for vocal cord restoration, nanodelivery systems for oral administration of insulin to type I diabetic patients, and systems for oral delivery of calcitonin for treatment of postmenopausal women suffering from osteoporosis. Dr. Peppas is a member of the National Academy of Engineering, a member of the Institute of Medicine of the National Academy of Sciences and the French Academy of Pharmacy.
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