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Pharmacokinetic Evaluation of a Novel Compound, SN79, a Putative Sigma-2 Receptor Antagonist, by Intravenous and Oral Administration in Rats.

机译:通过大鼠静脉内和口服给药对新型化合物SN79(一种公认的Sigma-2受体拮抗剂)进行药代动力学评估。

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摘要

Considering the alarming rates at which substance drug abuse, especially cocaine, is increasing in today's society, there is a lot of impetus on the development of medications that can effectively help alleviate its toxicity and addiction. The affinity of cocaine to sigma receptors (sigma-1 and sigma-2) rendered the hypothesis that blocking sigma receptors could be a possible mechanism to attenuate cocaine-induced toxicity and addiction. In this view, SN79, a synthetic compound with selectivity to both sigma-1 and sigma-2 receptors garnered our attraction for its use as an antagonist. This dissertation encompasses detailed investigation of SN79 from drug discovery and development perspective. Development and validation of a bio-analytical method using ultra performance liquid chromatography-mass spectrophotometry to selectively separate and identify SN79 in biological matrix was a crucial part of this project. Determination of various physicochemical parameters including aqueous solubility, chemical stability, Log P and pKa etc are presented. A number of in vitro tests necessary for predicting the compound's profile in the body were also performed. Single dose pharmacokinetic studies were conducted in fasted and fed state rats that help determine the disposition of SN79 in vivo.
机译:考虑到当今社会滥用药物(尤其是可卡因)的速度惊人,令人担忧的是,药物开发有很多动力,可以有效地缓解药物的毒性和成瘾性。可卡因对sigma受体(sigma-1和sigma-2)的亲和力提出了一个假设,即阻止sigma受体可能是减弱可卡因诱导的毒性和成瘾的可能机制。按照这种观点,SN79是一种对sigma-1和sigma-2受体都具有选择性的合成化合物,因其用作拮抗剂而吸引了我们的注意。本文从药物发现和开发的角度对SN79进行了详细的研究。开发和验证使用超高效液相色谱-质谱法选择性分离和鉴定生物基质中SN79的生物分析方法是该项目的关键部分。介绍了各种理化参数的测定,包括水溶性,化学稳定性,Log P和pKa等。还进行了许多体外测试,以预测化合物在体内的特性。在禁食和进食状态的大鼠中进行了单剂量药代动力学研究,这有助于确定SN79在体内的分布。

著录项

  • 作者

    Vinnakota, Harsha.;

  • 作者单位

    The University of Mississippi.;

  • 授予单位 The University of Mississippi.;
  • 学科 Health Sciences Pharmacy.
  • 学位 Ph.D.
  • 年度 2011
  • 页码 218 p.
  • 总页数 218
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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