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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

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

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...
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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

Ramakrishna Nirogi1, Renny Abraham1, Jyothsna Ravulu1

  • 1Suven Life Sciences Ltd, Hyderabad, Telangana, India.

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概括
此摘要是机器生成的。

马苏皮尔丁有效地减少了阿尔茨海默病 (AD) 患者的激动和侵略,而不会导致认知或运动障碍. 进一步的第三期试验正在进行中,以证实这些对AD激发管理的有希望的发现.

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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.
  • 老年学是一门学科.

背景情况:

  • 阿尔茨海默氏病 (AD) 经常涉及神经精神症状 (NPS),特别是焦虑,导致严重的痛苦和增加的死亡率.
  • 目前用于阿尔茨海默氏症激发的药理疗法具有有限的疗效和大量的副作用,需要新的治疗策略.
  • 血清素-6 (5-HT6) 受体与情绪和行为调节有关,这表明它们有可能成为AD刺激的治疗标.

研究的目的:

  • 评估Masupirdine,一个选择性的5-HT6受体对手,其在管理阿尔茨海默氏症 (AD) 兴奋和侵略方面的有效性.
  • 评估马苏皮尔丁的安全性和耐受性,包括它对认知和运动功能的影响.

主要方法:

  • 马苏皮尔丁的抗侵略作用在动物模型中进行了评估 (居民入侵者,主导服从性测试).
  • 在动物中使用交替杆循环比率表来评估认知和运动性能.
  • 一项二期临床研究 (NCT02580305) 的亚组分析检查了马苏皮尔丁对阿兹海默症患者激发/侵略领域的影响.

主要成果:

  • 马苏皮尔丁在动物模型中显著降低了侵略性行为,而不会损害认知或运动功能.
  • 临床亚组分析显示,在接受马苏皮尔丁 (50或100毫克) 治疗的阿尔茨海默病患者中,激动/侵略评分的统计学显著降低 (p<0.01).
  • 在26周的治疗期间,观察到的对激动/侵略的治疗效果在整个26周的治疗期间保持.

结论:

  • 非临床和临床数据支持马苏皮尔丁作为阿尔茨海默氏症 (AD) 兴奋症的潜在治疗方法.
  • 目前正在进行的全球第3期研究 (NCT05397639, EudraCT 2021-003405-22) 旨在进一步确定马苏皮尔丁在患有激动症的阿兹海默症患者的疗效,安全性和耐受性.