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Limosilactobacillus reuteri 6475和预防早期绝经后的骨质损失:一个随机临床试验
Giulia Gregori1, Aldina Pivodic2,3, Per Magnusson4
1Sahlgrenska Osteoporosis Centre, Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden.
补充Limosilactobacillus reuteri (L reuteri) 两年来没有减少绝经后妇女的骨损失. 需要进一步的研究来探索体质指数和L reuteri之间的相互作用.
科学领域:
- 骨代谢和骨质疏松症研究.
- 微生物组及其对骨健康的影响.
- 妇女健康中的临床试验方法.
背景情况:
- 以前的研究表明,Limosilactobacillus reuteri (L reuteri) 在小鼠和老年妇女身上具有很小的骨保护作用.
- 路特里在绝经后骨质疏松症中提供临床相关的骨益处的潜力仍然未被探索.
- 雌激素缺乏在绝经后妇女中显著导致骨质损失,增加骨质疏松症的风险.
研究的目的:
- 为了评估每日L reuteri补充剂在两年内减少早期绝经后骨损失的有效性.
- 为了确定L reuteri对骨密度的任何观察到的影响是否持续或随着长期治疗而增加.
- 评估L reuteri对骨周转指标和体积骨矿物质密度 (vBMD) 的影响.
主要方法:
- 这是一项为期2年的双盲,随机,安慰剂控制的临床试验,涉及239名早期绝经后妇女 (年龄在50-60岁).
- 参与者接受了低剂量L reuteri,高剂量L reuteri或安慰剂,所有这些都与胆二醇 (200 IU) 配合.
- 主要结局:骨总体体积骨矿物质密度 (vBMD) 的相对变化;次要结局:脊椎和部的BMD,骨周转标志物.
主要成果:
- 在两年内,在L reuteri组和安慰剂组之间没有观察到骨vBMD,部或脊柱BMD的显著差异.
- 所有组都出现了骨质损失,L reuteri对初级或二级结局没有统计学上显著的治疗效果.
- 在预先规定的灵敏度分析中,观察到身体质量指数 (BMI) 和治疗效果之间的显著相互作用.
结论:
- 在两年内,每日补充L reuteri并没有显著影响减少骨损失或改变早期绝经后妇女的骨周转率.
- 这些发现不支持使用L reuteri来预防这种人群的骨恶化.
- 确定的BMI与治疗之间的相互作用需要进一步调查,以了解潜在的缓解作用.
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