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Genzyme Successfully Completes Study Investigating Sevelamer Carbonate in Patients with Chronic Kidney Disease


Cambridge, MA - Genzyme Corp. has completed study of Renvela™ (sevelamer carbonate) and achieved its primary endpoint, demonstrating a statistically significant reduction in serum phosphorus for hyperphosphatemic patients with chronic kidney disease who are not on dialysis.

Patients treated with Renvela also achieved a significant reduction in calcium-phosphorus product and in LDL cholesterol. The drug was well tolerated with a safety profile consistent with the clinical experience of patients on dialysis using Renagel® (sevelamer hydrochloride). The multi-center, single arm, open-label trial involved 49 patients at multiple study sites throughout Europe and Australia.

Renvela is a buffered form of Renagel, the most-prescribed phosphate binder in the United States. Like Renagel, Renvela is a calcium-free, metal-free, non-absorbed phosphate binder and will initially be available as 800mg tablets once approved.

The results represent one portion of a comprehensive clinical program for sevelamer carbonate. Data showing the equivalence of sevelamer carbonate and sevelamer hydrochloride were presented last week at the spring clinical meeting of the National Kidney Foundation. In addition, enrollment is complete in two studies comparing a powder form of sevelamer carbonate to Renagel tablets dosed three times per day, including one study in which the powder form is dosed three times per day, and one in which it is dosed once per day.

A New Drug Application for Renvela is currently under review by the US Food and Drug Administration for the control of serum phosphorus in patients with chronic kidney disease on dialysis.


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