関連する実験動画
心血管疾患の予防のためのリモナバント (CRESCENDO):ランダム化され,多センター,プラセボ対照試験
Eric J Topol1, Marie-Germaine Bousser, Keith A A Fox
1Scripps Translational Science Institute, La Jolla, CA 92037, USA. etopol@scripps.edu
Lancet (London, England)
|August 17, 2010
まとめ
カンナビノイド受容体阻害剤であるリモナバントは,リスクの高い患者の主要な血管イベントフリー生存率を改善しませんでした. 臨床試験は,自殺の懸念を含む,容認できない神経精神学的副作用のため,早期に中止されました.
科学分野:
- 心血管医学は,心臓血管医学である.
- 薬理学 薬理学とは
- メタボリック障害 メタボリック障害
背景:
- エンドカンナビノイド受容体阻害は,肥満の軽減と代謝パラメータの改善に有望であることが示されています.
- 以前の研究では,トリグリセリド,HDLコレステロール,および断食時の血糖に対する潜在的な利点が示されました.
- この研究は,リモナバントのメジャー血管イベントフリー生存率への影響を評価することを目的とした.
研究 の 目的:
- 主要血管性イベントフリー生存率の改善におけるリモナバントの有効性を評価する.
- リモナバントが高リスク患者の心血管疾患による死亡,心筋梗塞,脳卒中を減少させるかどうかを判断する.
- 心血管疾患および精神疾患の有害事象に関するリモナバントの安全性プロフィールを調査する.
主な方法:
- 42カ国の974の病院で18695人の患者を対象とした,ダブルブラインド,プラセボ対照試験です.
- 患者はランダムにリモナバント20mgまたはマッチングしたプラセボを投与するように割り当てられました.
- 主要エンドポイントは,心血管疾患による死亡,心筋梗塞,または脳卒中の複合であり,治療意図分析が行われた.
主要な成果:
- リモナバント群における自殺に関する規制上の懸念のため,試験は早期に中止されました.
- リモナバントとプラセボ群 (3.9%対4.0%) のプライマリエンドポイントにおいて有意な差異は認められなかった.
- リモナバントは,リモナバント群で4人の自殺を含むプラセボと比較して,消化器系,神経精神疾患,重篤な精神疾患の副作用を大幅に増加させた.
結論:
- この試験は,薬物開発,特に神経精神学的安全性に関する重要な教訓を強調しています.
- 体重減少を目的としたリモナバントは,心血管疾患のアウトカムのためにテストされ,容認できない深刻な神経精神疾患の効果を示しました.
- 規制当局は,薬物と臨床試験の両方を突然終了させた.
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