IV biphosphonates have no long term effect on knee pain or bone marrow lesion in osteoarthritis
Bisphosphonates drugs are popularly known to work by slowing bone loss. They reduce the risk of hip and spine fractures. However, the recent recognition that bisphosphonate use is associated with pathologic conditions including osteonecrosis of the jaw has sharpened the level of scrutiny of the current widespread use of bisphosphonate therapy.
A randomized control trial by Xu Zhang and team has revealed that Zoledronic Acid (ZA) has no effect on knee pain, possibly a short-term effect on Bone Marrow Lesions (BML) size and higher rates of adverse events. Neridronate might pain in the short term, but this was based on a single trial data.
The findings of the study are published i journal.
The objective of the study was to summarise effects of intravenous bisphosphonates (IVBP) in patients with symptomatic knee osteoarthritis (OA) and Bone Marrow Lesions (BMLs), using a meta-analysis of randomized controlled trials (RCTs).
The study used literature databases that were searched for placebo-controlled RCTs of IVBPs for knee OA from inception, and included validated pain and function scales, BML size, and incidence of adverse events. Efficacy was compared using standardized mean differences (SMD) and risk ratios (RR) with fixed-effect or random-effects models. Methodological quality was assessed using the Cochrane risk of bias tool, heterogeneity was assessed by I2 statistics.
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