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閉経後の女性における骨密度と強度に対するニトログリセリン膏の効果:ランダム化試験
Sophie A Jamal1, Celeste J Hamilton, Richard Eastell
1Department of Medicine, University of Toronto, Toronto, Ontario, Canada. sophie.jamal@utoronto.ca
JAMA
|February 24, 2011
まとめ
ニトログリセリン膏は,閉経後の女性における骨のミネラル密度 (BMD) を著しく増加させ,骨構造を改善し,骨再吸収マーカーを減少させました. この研究は,ニトログリセリンを強調しています.
科学分野:
- 骨生物学と骨粗鬆症の研究について
- 骨の健康のための薬理学的介入
- 閉経後の女性の臨床試験
背景:
- ニトログリセリンは骨の形成を刺激し,再吸収を抑制することが知られている.
- 骨の密度,構造,強さに及ぼす影響は,以前は知られていなかった.
- この研究は,閉経後の女性におけるこれらの効果を調査することを目的とした.
研究 の 目的:
- ニトログリセリンが腰椎骨鉱物密度 (BMD) を増加させるかどうかを判断する.
- ヒップのBMD,骨の幾何学,半径と骨の密度の変化を評価する.
- 骨の循環マーカーの変化を評価するために.
主な方法:
- 24ヶ月のシングルセンター,ダブルブラインド,プラセボ対照ランダム化試験.
- 骨密度が低い閉経後の女性243人を対象に実施した.
- 参加者は,ニトログリセリン油膏 (15 mg/日) またはプラセボを投与された.
主要な成果:
- ニトログリセリンは,腰椎,全体的な股関節,股関節頸部におけるBMDを有意に増加させた.
- 大幅な改善は体積トラベキュラーBMD,皮質厚み,骨強度指数で観察されました.
- 骨特異性アルカリリンフォスファタゼが増加し,尿中のN-テロペプチドが減少し,再吸収が低下したことを示す.
結論:
- ニトログリセリン膏は,閉経後の女性において,BMDのわずかな増加を示した.
- この治療は,骨の再吸収の低下にもつながった.
- 副作用はグループ間で類似しており,頭痛は一時的であった.
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