• 1. School of Public Health of Lanzhou University, Lanzhou 730000, China;
  • 2. The Second Clinical Medical College of Lanzhou University, Lanzhou 730000, China;
  • 3. Fundamentals of Lanzhou University, Lanzhou 730000, China;
  • 4. The Second Clinical College of Northwest University for Nationalities, Lanzhou 730000, China;
  • 5. The Second People's Hospital of Gansu Province, Lanzhou 730000, China;
PEIHong-bo, Email: peihb@lzu.edu.cn
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Objectives To evaluate the methodological bias and the reliability of the conclusions of systematic reviews (SRs) of lanthanum carbonate in the treatment of chronic kidney disease with hyperphosphatemia. Methods We electronically searched databases including PubMed, EMbase, The Cochrane Library, PROSPERO, CNKI, CBM, WanFang Data and VIP to collect systematic reviews and meta-analysis about lanthanum carbonate in the treatment of chronic kidney disease with hyperphosphatemia from inception to August 31st, 2016. Two reviewers independently screened literature and extracted data, then AMSTAR tool was used to assess the methodological quality of included studies and the GRADE tool was used to grade the evidence quality of outcome measures included in the SRs. Results A total of eight relevant SRs were included and containing three main outcome measures. The assessment results of AMSTAR tool suggested that:four SRs were of high quality, and the other four were of medium quality. GRADE results showed:for serum phosphorus level, compared with placebo, the quality of the evidence of three SRs were medium, low and very low; compared with calcium carbonate or conventional phosphorus binder, four SRs were low, low, low and very low; compared with sevelamer, one SR was low. For serum calcium level, compared with placebo, the quality of the evidence of three SRs were high, medium and low, respectively; compared with calcium carbonate or conventional phosphorus binder, five SRs were low, low, low, very low and very low; compared with sevelamer, one SR was very low. For serum iPTH level, compared with placebo, the quality of the evidence of three SRs were medium, low and very low; compared with calcium carbonate or conventional phosphorus binder, five SRs were medium, low, low, very low and very low; compared with sevelamer, one SR was low. Conclusion At present, methodological quality assessment for the treatment of hyperphosphatemia in chronic kidney disease with lanthanum carbonate is generally not high and the level of evidence for the conclusion is generally low. In drug safety, especially in the occurrence of adverse events of the digestive system is still controversial, and a large amount of high quality experimental is needed to demonstrate the safety of its long-term use. Clinicians need to be cautious in using these evidence to make clinical decisions.

Citation: YUZhi-miao, NIELiu-yan, ZHOUQi, LIYan-fen, ZHAOKun, CHANGPu, SUNYan-yan, PEIHong-bo. Lanthanum Carbonate in the Treatment of Chronic Kidney Disease with Hyperphosphatemia: An Overview of Systematic Reviews. Chinese Journal of Evidence-Based Medicine, 2016, 16(12): 1394-1400. doi: 10.7507/1672-2531.20160211 Copy

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