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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 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 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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Drugs, the chemical agents used in diagnosing, treating, or preventing diseases, undergo a four-phase process of development: pharmaceutic, pharmacokinetics, pharmacodynamics, and therapeutic.
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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 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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アルツハイマー病治療薬レカネマブ:地域医療システムにおけるリアルワールドデータは臨床試験よりも低いARIA発生率を示し、安全な投与を示唆

Armen Moughamian1, Shawn Kile2, Jane Kim1

  • 1Ray Dolby Brain Health Center, Sutter Health, San Francisco, CA, 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。

新しいアルツハイマー病治療薬であるレカネマブは、臨床試験と比較して地域社会の設定でアミロイド関連画像異常(ARIA)の発生率が低いことが示されました。これは、レカネマブが専門センター以外でも安全に投与できることを示唆しています。

キーワード:
アルツハイマー病レカネマブアミロイド関連画像異常ARIAリアルワールドデータ地域医療安全性

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科学分野:

  • 神経学; 薬理学; 臨床医学

背景:

  • レカネマブは、アルツハイマー病の最初のFDA承認疾患修飾療法です。アミロイド関連画像異常(ARIA)は、レカネマブ治療に関連する重要な副作用です。臨床診療におけるARIAのリアルワールドでの頻度と重症度については、不確実性が存在します。

研究 の 目的:

  • 地域ベースのヘルスケアシステムにおけるレカネマブ治療の経験を要約すること。リアルワールドの患者コホートにおけるレカネマブの安全性と忍容性を評価すること。第3相CLARITY-AD試験の結果と地域設定でのARIA発生率を比較すること。

主な方法:

  • 2023年7月から2024年6月までにレカネマブを投与された患者からデータを収集しました。適格性は、FDAの表示と適切な使用推奨によって決定されました。ARIAの発生リスクが最も高い期間を捉えるために、レカネマブ治療期間が少なくとも6ヶ月の患者に焦点を当てました。

主要な成果:

  • 210人の患者が治療を受けました(平均年齢75歳、女性52%)。軽度認知障害が70%、軽度認知症が30%でした。輸液反応は36%に経験されました(主に軽度)。レカネマブは14%で中止されました。ARIAは15.7%に経験されました(ARIA-Hは13.8%、ARIA-Eは7.6%)。重度の画像ARIAは8例、症候性ARIAは3例でした。

結論:

  • レカネマブは、大規模な地域ベースのヘルスケアシステムで安全に投与できます。第3相CLARITY-AD試験と比較して、輸液反応率は高いものの、ARIA発生率は低いことが観察されました。ApoE4非保因者およびヘテロ接合体におけるARIA発生率の低下は、地域設定での安全な投与を示唆しています。