メチルプレドニゾロンは,大血管閉塞性脳卒中における血管内血栓切除の補助剤として:MARVELランダム化臨床試験
, Qingwu Yang1, Changwei Guo1
1Department of Neurology, Xinqiao Hospital and The Second Affiliated Hospital, Army Medical University (Third Military Medical University), Chongqing, China.
JAMA
|February 8, 2024
まとめ
補助的なメチルプレドニソロンは,内静脈動脈切除手術を受けた急性性性脳卒中患者の障害のアウトカムを改善しませんでした. しかし,この患者群では死亡率と症状性頭蓋内出血率を著しく低下させました.
科学分野:
- 神経学
- 臨床試験
- 薬理学について
背景:
- 大血管閉塞による急性不全性脳卒中 (LVO) は,迅速な介入を必要とする重大な状態です.
- 血管内血栓切除はLVOの標準的な治療法ですが,結果は変動する可能性があります.
- 静脈内メチルプレドニソロンなどの補助療法の効果は不明である.
研究 の 目的:
- LVOによる急性不全性脳卒中の患者の内静脈性血栓切除術の補助剤として,低用量の静脈内注射メチルプレドニソロンの有効性と安全性を評価する.
- メチルプレドニゾロンの障害,死亡,症状性頭蓋内出血への影響を評価する.
主な方法:
- ランダム化,ダブルブラインド,プラセボ対照試験で,中国の82の病院で1680人の患者が参加しました.
- 急性不全性脳卒中および近頭内LVOの患者は,静脈内メチルプレドニソロン (2 mg/ kg/ 日3日間) またはプラセボの投与にランダムに分けられた.
- 主要な有効性評価は,90日後の修正ランキンスケールで,安全性評価は,90日間の死亡率と48時間以内の症状性脳内出血でした.
主要な成果:
- 添加メチルプレドニソロンは,90日後に修正されたランキンスケールスコアの全体的な分布を有意に改善しなかった (調整された確率比,1. 10;P=. 17).
- メチルプレドニソロン群では90日後に死亡率が著しく低下した (23. 2% vs 28. 5%; P=0. 03).
- メチルプレドニソロン群では,症状のある頭蓋内出血の割合が著しく低下した (8. 6% vs 11. 7%; P=0. 04).
結論:
- 静脈内メチルプレドニゾロンをLVOによる急性不全性脳卒中の患者に対して投与すると,全身障害が有意に改善されませんでした.
- メチルプレドニソロンは,死亡率と症状のある頭蓋内出血の発生率を低減することで,潜在的な効果を示した.
- この文脈でメチルプレドニゾロンの最適の患者選択や治療プロトコルについて,さらなる研究が行われる可能性がある.
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