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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

Drug Administration and Therapy Phases: Overview

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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

In Vitro Drug Release Testing: Overview, Development and Validation

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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...
279
Drug Regulation01:25

Drug Regulation

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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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相关实验视频

Updated: Jan 7, 2026

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
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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

Denis G Kay1, Kurt P Grady1, Andrew J Wahlert1

  • 1Alpha Cognition Inc, Vancouver, BC, Canada.

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。

ZUNVEYL (甲胺) 是阿尔茨海默氏症痴呆症的新预药,其吸收能力与现有的甲胺ER相当,但副作用的概况可能更安全. 这项研究证实了其耐受性,并与已确定的药物建立了联系.

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Developmental Toxicity Assay Based on Real-Time Monitoring of Fibroblast Growth Factor Signal Disruption in Human Induced Pluripotent Stem Cells
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In Vitro Three-Dimensional Sprouting Assay of Angiogenesis Using Mouse Embryonic Stem Cells for Vascular Disease Modeling and Drug Testing
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科学领域:

  • 药理学和药物开发领域
  • 神经科学和神经病学 神经科学和神经病学
  • 临床药学和治疗药物

背景情况:

  • ZUNVEYL (甲胺) 是一种新的,药理上不活性的甲胺原药,于2024年批准用于轻度至中度阿尔茨海默氏症痴呆症.
  • 它使用了505 (b) (ii) 路径,引用了FDA对Razadyne® (加兰胺酸) 的现有研究结果.
  • 津维尔的延迟释放配方旨在减少与乙胆酶抑制剂常见的胃肠道副作用,从而有可能改善患者的服药性.

研究的目的:

  • 为了评估ZUNVEYL延迟释放 (DR) 药片相对生物可用性与胺酸延长释放 (ER) 囊相比.
  • 在稳定状态条件下评估ZUNVEYL的药理学特征.
  • 为了在ZUNVEYL和其上市药物 - - 兰胺酸 ER.之间建立一个科学桥梁.

主要方法:

  • 这是一项涉及40名健康成年受试者的开放标签,随机,比较研究.
  • 参与者接受了多次剂量的ZUNVEYL DR片 (5 mg两次7天) 和胺酸 ER囊 (8 mgQD7天) 在两期交叉设计中.
  • 从血样本分析了药理动力学参数,以确定胺水平.

主要成果:

  • 来自ZUNVEYL的Galantamine占总流通药物的不到1%,这表明它具有良好的安全性.
  • 稳定状态的药理动力学分析显示,ZUNVEYL和胺胺 ER之间的吸收程度 (AUC[0-24]ss) 是可比的.
  • 与列出的药物相比,ZUNVEYL的Cmaxss略高.

结论:

  • ZUNVEYL的耐受性很好,没有报告任何严重的不良事件.
  • 这项研究成功地建立了科学桥梁,连接到氨酸化物ER,支持ZUNVEYL的疗效.
  • 与立即释放的兰胺配方相比,ZUNVEYL更高的Cmax的安全性得到了支持,这表明可能改善了胃肠道安全性.