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相关概念视频

Preclinical Development: Overview01:28

Preclinical Development: Overview

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Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
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Clinical Trials: Overview01:11

Clinical Trials: Overview

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Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
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Drug Discovery: Overview01:26

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Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
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Drug Administration and Therapy Phases: Overview01:26

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Drugs, the chemical agents used in diagnosing, treating, or preventing diseases, undergo a four-phase process of development: pharmaceutic, pharmacokinetics, pharmacodynamics, and therapeutic.
The pharmaceutical phase focuses on leveraging the physicochemical properties of the drug to design and manufacture an effective product. Variants include orally administered tablets or capsules, topical creams or ointments, and parenteral-delivery solutions or emulsions.
The pharmacokinetic phase...
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In Vitro Drug Release Testing: Overview, Development and Validation01:10

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In vitro dissolution and drug release tests assess how quickly and how much of a drug is released from its dosage form into an aqueous medium under standardized laboratory conditions. These tests are essential tools in pharmaceutical development and quality assurance, offering insight into the drug's performance before clinical use.During formulation development, dissolution testing identifies incomplete or inconsistent drug release issues. It also supports decisions on selecting the optimal...
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Drug Regulation01:25

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Drug regulation encompasses the management of drug usage by evaluating its safety and efficacy through assessments conducted by regulatory authorities. Regrettably, the history of drug regulation is marred by several catastrophic events. One such incident is the Elixir Sulfanilamide tragedy, in which the toxic compound diethyl glycol was included in a sweet-tasting medication, leading to numerous fatalities. This event prompted the enactment of the Food, Drug, and Cosmetic Act in 1938. Under...
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Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
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药物开发 药物开发

Britney N Lizama1, Kiran Pandey2, Eunah Cho1

  • 1Cognition Therapeutics, Inc., Pittsburgh, PA, USA.

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PubMed
概括
此摘要是机器生成的。

泽维梅辛 (CT1812) 减缓了阿尔茨海默病 (AD) 患者的认知衰退,特别是那些基线较低的pTau217. 蛋白质组分析揭示了涉及粉样蛋白生物学和免疫反应的机制,支持了泽维美素的发展.

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科学领域:

  • 神经科学是一个神经科学.
  • 药理学 药理学是指药理学的学科.
  • 生物化学 生化学

背景情况:

  • 在阿尔茨海默氏病 (AD) 患者接受治疗Zervimesine (CT1812),一个西格玛-2受体 (S2R) 调节器,在SHINE试验中显示认知衰退减缓.
  • 在一个低于基线血pTau217水平的子组中,观察到认知能力下降的显著减缓 (95%).

研究的目的:

  • 通过分析大脑脊髓液 (CSF) 蛋白质组,研究泽维梅素的认知益处背后的机制.
  • 在AD患者中与认知衰退 (ADAS-Cog11) 相关联的CSF蛋白质变化.

主要方法:

  • 该SHINE试验是一项2期,随机,双盲,安慰剂控制的研究,涉及152名参与者超过6个月.
  • 进行了CSF蛋白质组 (TMT-MS) 对一组参与者进行,相关性分析将蛋白质变化与ADAS-Cog11变化联系起来.
  • 对与认知结果显著相关的蛋白质进行了途径分析 (p≤0.01).

主要成果:

  • 在中位数以下的pTau217亚组中,有106种与ADAS-Cog11相关的蛋白质,富含粉样蛋白生物学和免疫反应途径.
  • 62个与ADAS-Cog11相关的蛋白质在整体 (mITT) 和中位数以下的pTau217亚组中,富含免疫反应,补充和突触生物学途径.
  • 这些发现突出了由泽维米素调节的特定生物通路,这些通路与认知保存有关.

结论:

  • 泽维梅西因在阿尔茨海默病中的作用机制得到了生物标志物定义的子组中与粉样蛋白生物学相关的已识别的蛋白质相关的支持.
  • 这项研究强化了免疫反应和突触通路在认知功能中的作用以及泽维梅西因的影响.
  • 积极的临床结果和生物标志物发现支持继续开发用于阿尔茨海默病治疗的泽维梅西因.