骨粗鬆症に対するプロバイオティクスおよびシンバイオティクスサプリメント:ランダム化試験のメタアナリシス
Zhiyuan Gong1, Qi Hu2, Zahra Sabagh2
1Department of Nursing, The Fourth Affiliated Hospital of School of Medicine, and International School of Medicine, International Institutes of Medicine, Zhejiang University, No. N1, Shangcheng Avenue, Yiwu, 322000, Zhejiang, China.
Journal of health, population, and nutrition
|December 28, 2025
まとめ
プロバイオティクスおよびシンバイオティクスサプリメントは、副甲状腺ホルモン(PTH)を低下させ、腰椎骨密度(BMD)を増加させることにより、骨の健康を改善する可能性を示しています。しかし、他の骨代謝マーカーへの影響は依然として不明確です。
科学分野:
- 栄養科学
- 骨代謝
- マイクロバイオーム研究
背景:
- プロバイオティクスおよびシンバイオティクスサプリメントは、骨の健康マーカーを強化する可能性について検討されています。
- それらの有効性に関する既存の証拠は一貫性がなく、さらなる調査が必要です。
- 骨粗鬆症は依然として重大な公衆衛生上の懸念事項であり、新規治療戦略の研究を推進しています。
研究 の 目的:
- 骨粗鬆症に対するプロバイオティクスまたはシンバイオティクス補給の効果を系統的に評価すること。
- 既存の研究結果をメタアナリシスを通じて統合すること。
- 骨粗鬆症の管理におけるプロバイオティクス/シンバイオティクスの役割に関するエビデンスに基づいた洞察を提供すること。
主な方法:
- 2025年6月までの主要なデータベース(PubMed、Embase、Web of Science、Cochrane Library)を対象とした包括的な系統的文献検索を実施しました。
- 10件の関連研究がメタアナリシスに含まれました。
- 標準化平均差(SMD)および95%信頼区間(CI)を計算するために、ランダム効果モデルを使用してデータをプールしました。
主要な成果:
- プロバイオティクス/シンバイオティクス補給は、副甲状腺ホルモン(PTH)レベルを大幅に低下させました(SMD = -1.19; P=0.012)。
- 腰椎骨密度(BMD)は大幅に増加しました(SMD = 0.86; P=0.047)。
- 大腿骨近位部骨密度、I型コラーゲン架橋末端テロペプチド(CTX)、オステオカルシン、アルカリホスファターゼ(ALP)、またはオステオプロテゲリンに対する有意な影響は観察されませんでした。
結論:
- プロバイオティクス/シンバイオティクス補給は、PTHレベルおよび腰椎骨密度に対して有益な効果を示します。
- 現在のエビデンスは、他の主要な骨の健康指標に対する好ましい効果を支持していません。
- 骨の健康のためのプロバイオティクス/シンバイオティクスのメカニズムを解明し、その使用を最適化するためには、さらなる研究が保証されます。
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