Objective To evaluate the efficacy of bisphosphonates in treating patients with Multiple Myeloma.
Methods The databases including The Cochrane Library, PubMed, EMBASE, CBM, and CNKI were searched. Quality assessment and data extraction were conducted by two reviewers independently, and disagreement, if any, was resolved by discussion. Meta-analyses were performed for homogeneous studies.
Results Eleven RCTs were included, all of which came from abroad. The methodological quality of the included studies was good. The baseline data of each trial were comparable. Meta-analyses showed that, the pooled analysis of the published evidence demonstrated the beneficial effect of bisphosphonates on prevention of pathological vertebral fractures (OR=0.59, 95%CI 0.45 to 0.78, P=0.000 1) and on relieving pain (OR=0.59, 95%CI 0.46 to 0.76, P=0.000 05). However, the analysis of the effect of bisphosphonates on pain was based on clinically heterogeneous data which must be interpreted with caution. Meanwhile, there was no significant effect of bisphosphonates on mortality (OR=0.99, 95%CI 0.88 to 1.12, P=0.9) and hypercalcemia (OR=0.76, 95%CI 0.56 to 1.03, P=0.07).
Conclusions Adding bisphosphonates to the treatment of myeloma can reduce pathological vertebral fractures and pain, but is not helpful to mortality and hypercalcemia.
Citation: YAO Xiaojian,LIU Chunxia. Bisphosphonates for Multiple Myeloma: A Systematic Review. Chinese Journal of Evidence-Based Medicine, 2010, 10(10): 1188-1193. doi: 10.7507/1672-2531.20100568 Copy
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