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Effect of lanthanum carbonate vs. calcium carbonate on serum calcium in hemodialysis patients: a crossover study.
MedLine Citation:
PMID:  22874110     Owner:  NLM     Status:  In-Data-Review    
Background: Lanthanum carbonate (LC) is a non-calcium-containing phosphate binder and shows a comparable effect with other phosphate binders on hyperphosphatemia in dialysis patients. LC also contributes to a reduced oral calcium load compared with calcium carbonate (CaC) treatment. However, no crossover studies which compare the influence on serum calcium level between treatments with LC and CaC in hemodialysis (HD) patients have been carried out. Methods: After washout for 2 weeks, 50 patients on HD were randomized (1 : 1) to receive LC or CaC for 3 months. Thereafter, patients underwent a second 2-week washout period and were switched to the alternative binder for the next 3 months. Mineral and bone metabolism markers were measured with the changes of vitamin D doses. Results: The serum phosphate level showed a similar decrease from baseline to 3 months in both groups. During the study periods, hypercalcemia was observed only in patients taking CaC. The dose of vitamin D analogue was increased more frequently in the patients of the LC group compared with LC group. The iPTH level showed a significant decrease in the CaC group, but not in the LC group. Serum levels of BAP, TRAP5b, and ALP were significantly elevated in the LC group, whereas the FGF-23 level showed a significant decrease. Conclusion: LC effectively reduced the serum phosphate level (like CaC) and allowed the vitamin D analogue dosage to be increased without hypercalcemia in HD patients. LC is one of the useful phosphate binders without hypercalcemia. (UMIN-CTR registration number: UMIN000002331).
Tatsunori Toida; Keiichi Fukudome; Shouichi Fujimoto; Kazuhiro Yamada; Yuji Sato; Susumu Chiyotanda; Kazuo Kitamura
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical nephrology     Volume:  78     ISSN:  0301-0430     ISO Abbreviation:  Clin. Nephrol.     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-08-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0364441     Medline TA:  Clin Nephrol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  216-23     Citation Subset:  IM    
Chiyoda Hospital, Division of Circulatory and Body Fluid Regulation, Department of Internal Medicine and Dialysis Division, University of Miyazaki Hospital, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan.
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