冠動脈疾患イベントの二次予防のためのアジトロマイシン: WIZARD研究:ランダム化制御試験
Christopher M O'Connor1, Michael W Dunne, Marc A Pfeffer
1Duke University, Durham NC, USA.
JAMA
|September 18, 2003
まとめ
アジトロマイシンによる抗生物質療法は,前回の心筋梗塞およびクラミジア肺炎の曝露を有する患者の冠動脈疾患の発生を有意に減少させませんでした. この12週間の治療は,主要な心臓疾患やそれに関連する入院に効果を示さなかった.
科学分野:
- 心臓病学 心臓病学
- 感染症 感染症は感染症です.
- 公衆衛生は公衆衛生である.
背景:
- クラミジア肺炎の感染は,動脈硬化症の発達に関与しています.
- 冠動脈疾患における伝染病原体の役割を理解することは,効果的な予防と治療戦略にとって極めて重要です.
研究 の 目的:
- 12週間の抗生物質療法の有効性を評価し,主要な心疾患の有害事象を予防する.
- アジトロマイシン治療が,文書化されたクロミジア肺炎の暴露と心筋梗塞の病歴を有する患者の冠動脈性心疾患の続変に影響するかどうかを判断する.
主な方法:
- 前回の心筋梗塞を患った7747人の成人を対象とした大規模,ランダム化,プラセボ対照試験.
- 参加者はアジトロマイシンまたはプラセボを12週間投与され,1038件のプライマリイベントが発生するまでフォローアップが行われました.
- 主要エンドポイントには,全原因による死亡,非致死性再発,冠動脈再血管化,またはアンギナ関連の入院が含まれていました.
主要な成果:
- アジトロマイシン治療は,プラセボと比較して,プライマリ複合エンドポイントイベントの発生率を有意に低下させなかった (7%のリスク低下,P=.23).
- 初期の傾向は利益を示唆していたが,これらの効果は時間の経過とともに減少し,死亡,再発作,再血管化,またはアンギナ入院の有意な減少はなかった.
- 副作用,主に下痢は,アジトロマイシン群でより頻繁に見られ,薬物の中止率が高くなりました.
結論:
- 3ヶ月のアジトロマイシン投与は,前回の心筋梗塞とクロミジア肺炎感染症の証拠を有する安定した患者の冠動脈疾患の臨床結果の軽減に効果的ではありません.
- この発見は,この特定の患者集団における心血管疾患の二次予防のためにアジトロマイシンの使用を支持しません.
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