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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

Drug Discovery: Overview

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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

Lara Herriott1, Mark Coles1, Eamonn Gaffney1

  • 1University of Oxford, Oxford, United Kingdom.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
PubMed
概括
此摘要是机器生成的。

定量系统药理 (QSP) 模型有助于阿尔茨海默病 (AD) 治疗评估. 对9个AD QSP模型的审查显示其质量较低,强调需要改进验证和代码共享,以推进抗粉样蛋白治疗.

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科学领域:

  • 药理学 药理学是指药理学的学科.
  • 系统生物学 系统生物学
  • 神经科学是一个神经科学.

背景情况:

  • 量化系统药理 (QSP) 模型对于评估阿尔茨海默病 (AD) 疗法非常有价值.
  • 这些模型整合了临床和机械学的见解,适合AD的复杂性来预测结果和支持监管过程.
  • 抗粉样蛋白疗法,包括单克隆抗体,一直是最近AD药物开发的核心.

研究的目的:

  • 系统地审查已发表的QSP模型用于粉样向AD疗法.
  • 为AD提供信息并促进未来的QSP模型开发.
  • 确定共享和对比的特征,并评估现有模型的质量.

主要方法:

  • 对PubMed和Web of Science数据库进行了系统的文献审查.
  • 搜索结果在标题,摘要和全文级别使用预定义的包含/排除标准进行了选.
  • 确定了9种不同的ADQSP模型,并对其结构,发展,预测和质量进行了总结和评分.

主要成果:

  • 从494个候选出版物中确定了9个模拟AD抗粉样蛋白疗法的QSP模型.
  • 七个模型使用了对粉样蛋白聚合/清除的分区方法,而两个模型使用了网络模型.
  • 模型质量得分普遍较低 (6-9/15),在验证和可重复性方面存在重大问题,特别是缺少可执行模型代码.

结论:

  • 对九个QSP模型的审查为改进AD的未来模型开发提供了背景.
  • 加强对模型质量的关注,特别是验证和可重复性,至关重要.
  • 改进的QSP模型将更好地为阿尔茨海默病的治疗策略提供信息.