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Intern Med. 2012;51(16):2097-104. Epub 2012 Aug 15.

Effectiveness of lanthanum carbonate treatment used in combination with other phosphate binders in peritoneal dialysis patients.

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  • 1Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Japan.

Abstract

OBJECTIVE:

Phosphate binders are used in the treatment of hyperphosphatemia in peritoneal dialysis (PD) patients. An ideal phosphate binder for long-term use must be effective with little or no side effects. We evaluated the long-term efficacy and side effects of lanthanum carbonate (LaC) used in combination with other phosphate binders in PD patients.

PATIENTS:

The subjects of this retrospective study were 30 PD patients who received LaC at Kyushu University. The effect of LaC on various biochemical parameters (serum phosphate, calcium and parathyroid hormone), daily dose of other phosphate binders, gastrointestinal side effects, and nutritional status were determined during the 24-week treatment. We also evaluated the rate of achievement of the Japanese Society of Dialysis Treatment guidelines for secondary hyperparathyroidism and used multivariate analysis to determine the factors associated with the efficacy of LaC.

RESULTS:

LaC (960 ± 412 mg/day) reduced serum phosphate from 6.2 to 5.3 mg/dL. The rate of achievement of the guideline target improved after 24 weeks of LaC treatment. The dose of other phosphate binders and dialysis volume remained unchanged during the treatment. Although 53% of patients experienced at least one gastrointestinal side effect, LaC treatment did not affect the nutritional status, and none of the patients discontinued LaC. Multivariate analysis identified low stature, old age and high baseline total creatinine clearance as significant factors that determine the effectiveness of LaC in PD patients.

CONCLUSION:

Low dose LaC treatment used in combination with other phosphate binders improved serum phosphate control with tolerable gastrointestinal symptoms in PD patients.

PMID:
22892485
[PubMed - indexed for MEDLINE]
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