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Preclinical Development: Overview01:28

Preclinical Development: Overview

5.7K
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

4.5K
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...
4.5K
Drug Discovery: Overview01:26

Drug Discovery: Overview

10.9K
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...
10.9K
Drug Administration and Therapy Phases: Overview01:26

Drug Administration and Therapy Phases: Overview

1.1K
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...
1.1K
In Vitro Drug Release Testing: Overview, Development and Validation01:10

In Vitro Drug Release Testing: Overview, Development and Validation

279
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

2.7K
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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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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薬物開発

Britney N Lizama1, Kiran Pandey2, Eunah Cho1

  • 1Cognition Therapeutics, Inc., Pittsburgh, PA, USA.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
PubMed
まとめ
この要約は機械生成です。

ゼルビメシン(CT1812)はアルツハイマー病(AD)患者、特にベースラインpTau217値が低い患者の認知機能低下を遅延させた。プロテオーム解析により、アミロイド生物学と免疫応答に関与するメカニズムが明らかになり、ゼルビメシンの開発が支持された。

キーワード:
アルツハイマー病ゼルビメシンCT1812SHINE試験CSFプロテオーム解析認知機能低下pTau217アミロイド生物学免疫応答sigma-2受容体神経科学薬理学生化学

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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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In Vitro Three-Dimensional Sprouting Assay of Angiogenesis Using Mouse Embryonic Stem Cells for Vascular Disease Modeling and Drug Testing

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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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Developmental Toxicity Assay Based on Real-Time Monitoring of Fibroblast Growth Factor Signal Disruption in Human Induced Pluripotent Stem Cells

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関連する実験動画

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

Published on: October 10, 2025

451

科学分野:

  • 神経科学
  • 薬理学
  • 生化学

背景:

  • シグマ2受容体(S2R)モジュレーターであるゼルビメシン(CT1812)で治療されたアルツハイマー病(AD)患者は、SHINE試験において認知機能低下が遅延しました。
  • ベースライン血漿pTau217値が中央値未満のサブグループでは、有意な認知機能低下の遅延(95%)が観察されました。

研究 の 目的:

  • アルツハイマー病患者におけるゼルビメシンによる認知機能改善のメカニズムを、脳脊髄液(CSF)プロテオームを解析することによって調査する。
  • CSFタンパク質の変化と、ゼルビメシンで治療されたAD患者における認知機能低下(ADAS-Cog11)との相関を調べる。

主な方法:

  • SHINE試験は、152人の参加者を対象とした6ヶ月間のフェーズ2、無作為化、二重盲検、プラセボ対照試験でした。
  • 参加者のサブセットに対してCSFプロテオミクス(TMT-MS)を実施し、タンパク質の変化とADAS-Cog11の変化を関連付ける相関分析を行いました。
  • 認知転帰と有意に関連するタンパク質(p≤0.01)について経路分析を実施しました。

主要な成果:

  • ベースラインpTau217値が中央値未満のサブグループでは、106のタンパク質がADAS-Cog11と相関し、アミロイド生物学および免疫応答経路に濃縮されていました。全体(mITT)およびベースラインpTau217値が中央値未満のサブグループの両方で、62のタンパク質がADAS-Cog11と相関し、免疫応答、補体、シナプス生物学経路に濃縮されていました。これらの発見は、認知機能の維持に関連するゼルビメシンによって調節される特定の生物学的経路を強調しています。

結論:

  • アルツハイマー病におけるゼルビメシンの作用機序は、バイオマーカーで定義されたサブグループにおけるアミロイド生物学に関連する同定されたタンパク質相関によって支持されています。
  • 本研究は、認知機能およびゼルビメシンの影響における免疫応答およびシナプス経路の役割を強化します。
  • 肯定的な臨床転帰およびバイオマーカー所見は、アルツハイマー病治療のためのゼルビメシンの継続的な開発を支持します。