ホームセラピーのヘモフィリア患者における中間因子VIII濃縮剤の最小有効用量
Lancet (London, England)
|April 14, 1979
まとめ
血友病の関節出血の家庭での治療のために,ファクターVIII濃縮の最適な用量を決定することは極めて重要です. より高い用量 (5.7単位/kg) は,ほとんどの出血を効果的に制御し,より低い用量 (3.0単位/kg) は,中等から重度の出血では不十分であることが判明しました.
科学分野:
- 血液学 ヘマトロジ
- クリニック・トライアル 臨床試験
- 薬理学 薬理学とは
背景:
- 血友病は,長い出血のエピソードによって特徴づけられる遺伝的出血障害です.
- 関節出血 (血筋梗塞) は,血友病において一般的であり,慢性的な関節損傷につながる可能性があります.
- ファクターVIII濃縮剤による家庭での治療は,血友病の標準的な治療である.
研究 の 目的:
- 血友病患者の自発的な関節出血の家庭での治療のための中間因子VIII濃縮剤の最小有効用量を調査する.
- 出血エピソードをコントロールする際の異なる因子VIII用量の有効性を比較する.
主な方法:
- ランダム化制御試験が行われました.
- 6人の血友病患者の自発的な関節出血の207回のエピソードが含まれています.
- 患者は,自宅での治療のために,中介的因子VIII濃縮物の様々な用量を投与された.
主要な成果:
- 5.7単位/kgの投与量は,出血の85%を効果的に制御しました.
- 低用量3.0単位/kgは,治療失敗のリスクを2倍にしました.
- 3.0単位/kgの投与量は,患者によって軽度以上のものとして認識される出血の治療には不十分でした.
結論:
- 血友性関節出血の家庭での治療のために有効な最小投与量である因子VIII濃縮剤は,これまで考えられていたよりも高い.
- 低用量は,中等から重度の出血で十分な血静性には不十分かもしれません.
- この発見は,ファクターVIII濃度の利用可能性と,血友病の管理における臨床実務に影響を及ぼしている.
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