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A Double Blind Randomized Placebo Trial of Maintenance of Normal Serum Phosphorus in CKD

Chronic Kidney Disease Clinical Trial

Official title:
A Double Blind Randomized Placebo Controlled Trial of Maintenance of Normal Serum Phosphorus in Chronic Kidney Disease (CKD)

Clinical Trial Summary

The purpose of this study is to determine the ability of 3 commercially available phosphorus binders (calcium acetate, sevelamer carbonate, and lanthanum carbonate) to achieve and maintain a phosphorus level in the normal range in patients with chronic kidney disease.

Clinical Trial Description

It is the specific aim of this pilot study to assess the feasibility of achieving and maintaining a serum P less than or equal to 3.5 mg/dL (1.13 mmol/L) in patients with eGFR >20 and <45 mL/min with any of the 3 commercially available P lowering agents (calcium acetate, sevelamer carbonate, or lanthanum carbonate). Results of this study will clarify the degree of separation in serum P that can be achieved with the use of P lowering agents and the current standard of care (P binder initiation when P > 5.5 mg/dL or 1.78 mmol/L). Furthermore, this knowledge, combined with analyses of the secondary aims and outcomes of interest, will serve to facilitate the design of a properly powered, randomized, placebo controlled clinical outcomes trial that will firmly establish the necessity of achieving a specific target P in patients with CKD. The secondary aims of this pilot study are to provide insight into the optimal detection of progression of abnormalities in mineral metabolism and their relationship to vascular disease in CKD. The tertiary aim is to evaluate long term outcomes related to phosphorus normalization with respect to renal replacement therapy or death. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00785629
Study type Interventional
Source Denver Nephrologists, P.C.
Contact
Status Completed
Phase N/A
Start date February 2009
Completion date July 2011
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