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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

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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

Michael Grundman1, Susan Catalano2, Mary E Hamby3

  • 1Global R&D Partners, LLC, La Jolla, CA, USA.

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

泽维米塞因在减缓阿尔茨海默病患者的认知衰退方面表现有前途. 较低的疾病负担,以血p-tau217表示,与SHINE试验中更显著的积极治疗效果相关.

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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.
  • 临床试验 临床试验

背景情况:

  • 泽维米素 (CT1812) 是一种实验性口服药物,向粉样β寡合体.
  • 它旨在保护阿尔茨海默氏症 (AD) 和患有莱维体痴呆症的神经突触.

研究的目的:

  • 评估成年轻度至中度AD的泽维美素的耐受性和临床效应.
  • 根据血p-tau217水平来评估与安慰剂相对的治疗效应.

主要方法:

  • 第二阶段的SHINE临床试验随机选择了153名患有粉样蛋白阳性AD的成年人.
  • 参与者每天接受安慰剂或泽维梅辛 (100或300毫克) 26周.
  • 认知和功能评估包括ADAS-Cog,MMSE,ADSC-ADL和CGIC. 这些测试包括:

主要成果:

  • 与安慰剂相比,在ADAS-Cog 11治疗中,泽维米塞因治疗减少了认知衰退39%,在MMSE治疗中减少了70%.
  • 血p-tau217水平低于中位数的患者表现出更强的反应,ADAS-Cog 11下降率降低95%,MMSE下降率降低108%.
  • 这种增强的反应在不同基线MMSE严重程度范围内是一致的.

结论:

  • 泽维梅西因在阿尔茨海默病患者的认知衰退减缓方面显示出潜力.
  • 较低的疾病负担,以血p-tau217表示,预测更明显的治疗效果.
  • 该药物在轻度至中度MMSE频谱中显示出好处,这表明中度AD患者的治疗窗口.