妊娠中の糖尿病における早期メトホルミン: ランダム化臨床試験
Fidelma Dunne1,2,3, Christine Newman1,2,3, Alberto Alvarez-Iglesias2
1College of Medicine Nursing and Health Sciences, University of Galway, Co Galway, Ireland.
JAMA
|October 3, 2023
まとめ
妊娠中の糖尿病に対する早期メトホルミンの使用は,プラセボと比較して,インスリン需要を有意に減少させたり,空腹中の高血糖症を改善したりしませんでした. しかし,二次的な結果は,より大きな試験でさらなる研究を正当化する潜在的な利益を示唆しています.
科学分野:
- 産婦人科
- 妊婦と胎児の医療
- 内分泌学
背景:
- 妊娠中糖尿病 (GDM) は,最適な管理戦略が不確実な一般的な妊娠合併症です.
- 現在の治療ガイドラインには 生活習慣の変更や必要に応じて 薬剤療法が含まれています
研究 の 目的:
- 早期にメトホルミンを投与すると,妊娠中のGDM患者におけるインスリン必要性が減少するか,または空腹中の高血糖が改善するかどうかを評価する.
- メトフォーミンの影響を評価する. メトフォーミンの影響を評価する.
主な方法:
- GDMと診断された510人の被験者 (535人の妊娠) を対象としたダブルブラインド・プラセボ対照試験です.
- 参加者は,通常の治療に加え,メトホルミン (最大2500 mg/日) またはプラセボをランダムに投与された.
- 主なアウトカムは,妊娠32週または38週でインスリン開始または断食グルコース≥5. 1mmol/ Lの複合値でした.
主要な成果:
- メトホルミン群とプラセボ群の間では,プライマリーコンポジットアウトカムが有意に異なる (56. 8% vs 63. 7%,P = .
- メトホルミンの使用は,インスリン開始までの時間が短縮され,自己報告された血糖コントロールが改善され,妊娠中の体重増加が減少しました.
- 新生児のアウトカムでは,メトホルミン群では出生時の体重と長さが小さく,新生児の有害事象は増加しなかった.
結論:
- 初期のメトホルミン治療は,GDMの管理における主要な複合結果においてプラセボに優れませんでした.
- 二次的アウトカムデータは,メトホルミンが有益である可能性を示唆し,より大きな臨床試験でのさらなる調査を支持しています.
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