期刊
JOURNAL OF ORTHOPAEDIC SURGERY AND RESEARCH
卷 16, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s13018-021-02474-7
关键词
Osteoporosis; Postmenopausal; Biomarkers; Therapy monitoring
类别
资金
- Projekt DEAL
A total of 16 RCTs with 14,446 patients were included in the analysis. The study found associations between bone alkaline phosphatase and femoral BMD, urinary cross-linked N-telopeptides of type I collagen and non-vertebral fractures, as well as therapy discontinuation. No statistically significant associations were found between other biochemical markers and clinical outcomes.
BackgroundBiochemical markers of bone turnover (BTMs), such as bone alkaline phosphatase (bALP), procollagen type I N propeptide (PINP), serum cross-linked C-telopeptides of type I collagen (bCTx), and urinary cross-linked N-telopeptides of type I collagen (NTx), are commonly used for therapy monitoring purposes for osteoporotic patients. The present study evaluated the potential role of BTMs as therapy monitoring.MethodsAll randomized clinical trials (RCTs) comparing two or more pharmacological treatments for postmenopausal osteoporosis were accessed. Only studies that reported the value of bALP, PINP, bCTx, and NTx at last follow-up were included. A multivariate analysis was performed to assess associations between these biomarkers and clinical outcomes and rate of adverse events in patients with postmenopausal osteoporosis. A multiple linear model regression analysis through the Pearson product-moment correlation coefficient was used.ResultsA total of 16 RCTs (14,446 patients) were included. The median age was 67 years, and the median BMI 25.4 kg/m(2). The median vertebral BMD was 0.82, hip BMD 0.79, and femur BMD 0.64 g/cm(2). The ANOVA test found optimal within-group variance concerning mean age, body mass index, and BMD. Greater bALP was associated with lower femoral BMD (P = 0.01). Greater NTx was associated with a greater number of non-vertebral fractures (P = 0.02). Greater NTx was associated with greater rate of therapy discontinuation (P = 0.04). No other statistically significant associations were detected.ConclusionOur analysis supports the adoption of BTMs in therapy monitoring of osteoporotic patients.Level of evidenceLevel I, systematic review of RCTs.
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