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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

Huan Ma1, Yulu Yan1, Zihan Wang1

  • 1The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China.

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PubMed
概括
此摘要是机器生成的。

DL-3-n-butylphthalide (NBP) 在治疗早发性中风后认知障碍 (PSCI) 中表现有前途. 这项研究发现,NBP在12周后显著降低了PSCI风险,这表明它是潜在的治疗剂.

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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.
  • 临床医学 临床医学

背景情况:

  • 脑卒中后认知障碍 (PSCI) 影响了三分之一的中风幸存者,导致严重的残疾和负担.
  • 早期发病的PSCI缺乏特定的治疗方法,尽管其患病率很高.
  • 来自菜种子的DL-3-n-butylphthalide (NBP) 证明了线粒体的保护和微循环的改善.

研究的目的:

  • 研究DL-3-n-丁甲酸 (NBP) 在治疗早发性中风后认知障碍 (PSCI) 的疗效.

主要方法:

  • 一项为期24周的盲人临床试验涉及125名45-80岁的参与者,他们患有早期发病的PSCI.
  • 参与者被随机分配,接受NBP或常规治疗.
  • 在基线和6,12和24周时,使用MoCA尺度评估认知功能.

主要成果:

  • 在12周内,NBP治疗与显著降低PSCI患病率有关 (52.6%对75.6%,p=0.029).
  • 多变量逻辑回归表明NBP治疗降低了PSCI风险 (OR=0.26,p=0.020),调整为关键共变量.
  • 虽然PSCI患病率在两组都下降了,但NBP在12周的标志上显示出明显的好处.

结论:

  • 与NBP结合治疗在早期发病的PSCI中加速恢复.
  • 在早期发病的PSCI中,NBP显示出作为一种新型治疗剂的潜力.