アルツハイマー病患者565人の長期ドネペジル治療 (AD2000):ランダム化二重盲検試験
C Courtney1, D Farrell, R Gray
1Trials Unit, University of Birmingham, Birmingham, UK.
Lancet (London, England)
|June 29, 2004
まとめ
ドネペジルは,アルツハイマー病の軽微な認知および機能的改善をもたらすが,施設入院を大幅に遅らせたり,障害の進行を遅らせたりしない. アルツハイマー病の治療には,より効果的な治療法が必要です.
科学分野:
- 神経学 神経学とは
- ゲロントロジーはゲロントロジーの学科です.
- 薬理学 薬理学とは
背景:
- コリンエステラゼ阻害剤は,アルツハイマー病 (AD) の認知機能に限られた効果をもたらす.
- この研究では,認知を超えてドネペジルの有効性を調査し,日々の機能と患者の健康に焦点を当てました.
研究 の 目的:
- ドネペジルがアルツハイマー病患者の障害,依存,行動症状において臨床的に有意義な改善をもたらすかどうかを評価する.
- ドネペジルの介護者福祉への影響と施設化の遅延を評価する.
- ドネペジルの利点のための患者サブグループ,最適な用量,および治療期間を特定するために.
主な方法:
- ドネペジル (5 mg/日) またはプラセボによる12週間のランインは,ドネペジル (5 mg/日または 10 mg/日) またはプラセボへのランダム化に続いた.
- 主なエンドポイントは,Bristol Activities of Daily Living Scale (BADLS) を使用した施設化と障害の進行でした.
- 結果評価は,すべての患者に対するログランクおよび多層モデルを使用して分析されました.
主要な成果:
- ドネペジルは2年間で認知 (0.8MMSEポイント) と機能性 (1.0BADLSポイント) のわずかな改善を示した.
- ドネペジルとプラセボのグループでは,施設収容率 (42% vs. 44% 3年後に) または障害の進行率 (58% vs. 59% 3年後に) で有意な差異は見られなかった.
- 行動症状,介護者の精神病理学,費用,または異なる用量またはプラセボとの間の有害事象に関する有意な利益は見つかりませんでした.
結論:
- ドネペジルの効果は,最低限の値を下回っており,アルツハイマー病の治療には費用対効果が低いことを示している.
- ドネペジルを含む現在のコレネステラス阻害剤は,アルツハイマー病のより広範な影響を管理するのに不十分です.
- アルツハイマー病に対するより効果的な治療戦略の開発が不可欠である.
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