実際の世界における多剤療法と薬物間の相互作用,大腸動症の直接口服抗凝固剤使用者の集団
Veronica De Angelis1, Ylenia Ingrasciotta2, Maria Carelli3
1Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy.
Clinical therapeutics
|September 3, 2025
まとめ
多剤療法と薬物相互作用 (DDI) は,経口抗凝固剤 (DOAC) の直接使用者において一般的であり,出血のリスクを高めます. パーソナライズされた薬剤管理とDDI評価は,特に心房細動患者のDOACの安全性を最適化するために不可欠です.
科学分野:
- 薬用警戒と現実世界の証拠
- 心血管薬学
- 薬の安全性
背景:
- 直接投与される経口抗凝固剤 (DOAC) は,好ましい安全性プロファイルを提供しているが,多剤薬および薬物相互作用 (DDI) によって課題が生じます.
- 心房細動 (AF) の患者はしばしばDOACを使用しており,薬物関連リスクを研究するための重要な集団です.
研究 の 目的:
- 直接経口抗凝固剤 (DOACs) を使用する患者における多剤薬とDDIの実用的な流行と影響を調査する.
- これらの要因が,特に心房細動 (AF) の患者における出血リスクに及ぼす影響に焦点を当てること.
主な方法:
- 2012年から2020年までの行政医療データの遡及コホート分析
- 抗凝固剤のタイプ (アピキサバン,ダビガトラン,リバロキサバン,エドキサバン) によるDOAC使用者の分類
- インデックス日付前後の多剤薬およびDDIの分析,DOACと表示によって層分化され,1年以内に出血の結果が評価された.
主要な成果:
- 16367人のDOAC使用者のうち68. 9%がAFを患った. 多剤薬局は,患者の55. 2%でインデックス後の日付を増加させた.
- 低用量DOAC使用者 (35%) と高用量DOAC使用者 (29. 2%) の間で3以上の相互作用薬の有病率が高かった. ダビガトランの使用者は,相互作用する薬物の増加が最も多かった (61. 8%).
- 相互作用する薬剤を6種類以上投与した患者は,重度の出血の発生率が2. 5%であった. ダビガトランの使用と低用量投与は,独立して出血リスクの増加と関連していました.
結論:
- ポリファーマシーとDDIは,現実世界のDOACユーザー,特にAFのユーザーの中で非常に一般的です.
- DDIと出血のリスクの増加との間に重要な関連性があり,注意深いモニタリングの必要性を強調しています.
- パーソナライズされた薬物管理と定期的なDDI評価は,DOACの安全性と患者のアウトカムを改善するために不可欠です.
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