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Pharmacogenetic Determinants of Vinca Alkaloid Response

Pharmacogenetic Determinants of Vinca Alkaloid Response
长春花生物碱反应的药物遗传学决定因素
批准号:
7256373
负责人:
JAMIE L RENBARGER
金额:
$13.27万
依托单位国家:
美国
项目类别:
财政年份:
2005
资助国家:
美国
项目状态:
已结题
起止时间:
2005-09-01 至 2010-06-30

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中文摘要
翻译
研究者的长期职业目标是成为一名独立的临床科学家和教育家, 儿科药理学、药物遗传学和儿科血液学/肿瘤学领域。本申请 包括临床研究技能的正式教学培训和旨在形成 临床研究生涯的基础通过参加印第安纳州大学K30项目, 申请人将接受临床药理学研究生涯所需的教学培训。的 候选人得到儿科主席和GCRC主任的全力支持,并将执行 她的研究在一个出色的临床研究环境。拟议的项目旨在确定 酶参与了长春花生物碱的处置,以及这些酶的遗传多态性是否 并且携带长春花生物碱的膜转运蛋白预测处置、功效和 毒性尽管长春花生物碱在肿瘤学中的应用历史悠久,但细胞色素P450的确切作用 酶在它们的配置中仍然很大程度上未被表征。这很重要,因为没有明确的 解释了这些药物药代动力学的显著变异性。因此,在本发明中, 可能预测长春花生物碱毒性和结果的药代动力学或药物遗传学参数, 未被确认。该建议的第一个目的是鉴定长春花的主要代谢产物 生物碱,参与其生产的酶,以及米氏动力学定量 这些酶的参数。第二个目的是研究药物遗传多态性的影响 在相关的药物代谢酶和转运蛋白对长春花生物碱的药代动力学,毒性, 在儿童和成人癌症患者中的疗效。通过这些项目,这位调查员将向她工作, 长期研究目标是了解药物代谢酶的遗传多态性, 受体和转运蛋白影响药物在儿童和成人癌症患者中的功效和毒性。
英文摘要
The investigator's long-term career objective is to become an independent clinician-scientist and educator in the fields of pediatric pharmacology, pharmacogenetics and pediatric hematology/oncology. This application involves formal didactic training in clinical research skills and a focused research proposal designed to form the foundation for a career in clinical research. Through participation in the Indiana University K30 program, the applicant will receive the didactic training necessary for a research career in clinical pharmacology. The candidate has the full support of the Chairman of Pediatrics and the Director of the GCRC and will perform her research in an outstanding clinical research environment. The proposed projects aim to determine which enzymes are involved in vinca alkaloid disposition and whether genetic polymorphisms in these enzymes and the membrane transporters that carry the vinca alkaloids are predictive of disposition, efficacy and toxicity. Despite the long history of vinca alkaloid use in oncology, the precise roles of the cytochrome P450 enzymes in their disposition remain largely uncharacterized. This is important because there is no definitive explanation for the significant variability in the pharmacokinetics of these drugs. As a result, pharmacokinetic or pharmacogenetic parameters that might predict vinca alkaloid toxicity and outcome have not been identified. The first aim of this proposal involves identification of the major metabolites of the vinca alkaloids, the enzymes involved in their production, and quantification of Michaelis Menten kinetic parameters for these enzymes. The second aim investigates the impact of pharmacogenetic polymorphisms in pertinent drug metabolizing enzymes and transporters on vinca alkaloid pharmacokinetics, toxicity, and efficacy in pediatric and adult cancer patients. Through these projects, this investigator will work toward her long-range research goal of understanding how genetic polymorphisms in drug metabolizing enzymes, receptors, and transporters influence the efficacy and toxicity of drugs in pediatric and adult cancer patients.
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Indiana University Center for Pediatric Pharmacology and Precision Medicine
Pharmacogenetic Determinants of Vincristine Toxicity and Response
Pharmacogenetic Determinants of Vincristine Toxicity and Response
Pharmacogenetic Determinants of Vincristine Toxicity and Response
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