経口メチルプレドニソロンの腎機能低下または腎不全に対するIgA腎不全患者の効果: TESTING ランダム化臨床試験
Jicheng Lv1,2, Muh Geot Wong2,3, Michelle A Hladunewich4
1Renal Division, Department of Medicine, Peking University First Hospital, Beijing, China.
JAMA
|May 17, 2022
まとめ
経口メチルプレドニソロンは,IgA腎不全患者の腎疾患の進行を著しく減少させた. しかし,この治療は,特に高用量では,重篤な有害事象のリスクを高めました.
科学分野:
- 腎臓科
- 免疫学
- 臨床薬理学
背景:
- IgA腎不全におけるグルココルチコイドの影響は不明である.
- IgA腎不全 (IgAN) は一般的な原発性グルメロネフライトで,しばしば腎不全に進行する.
研究 の 目的:
- 高リスクのIgAN患者におけるメチルプレドニソロンの有効性と安全性を評価する.
- メチルプレドニソロンが腎臓に及ぼす影響と有害事象の評価
主な方法:
- 国際的,多センター,ダブルブラインド,ランダム化試験 (NCT01560052).
- 503人の参加者のIgAN,タンパク質尿≥1g/日,eGFRは20〜120ml/min/1. 73m2でした.
- 試験中に投与量を調整し,抗生物質の予防を行いました.
主要な成果:
- メチルプレドニソロンは,プラセボと比較して,プライマリ複合アウトカム (40% eGFR減少,腎不全,または死亡) を有意に減少させた (HR0. 53; P<. 001).
- 腎不全のリスクの低下 (HR0. 59; P=0. 008) と7つの他の二次的アウトカムが観察されました.
- 重篤な有害事象は,メチルプレドニソロン (10. 9%) とプラセボ (2. 8%) で,主にフル用量治療で高かった.
結論:
- 経口メチルプレドニソロンは,高リスクのIgAN患者において,腎機能低下,不全,または死亡のリスクを効果的に低下させる.
- 特に高用量療法では,重篤な有害事象の発生率の増加との相関を考慮する必要があります.
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