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[Treatment of hyperphosphatemia with sevelamer hydrochloride in CKD patients: effects on vascular calcification and
Masahiro Koizumi1, Masafumi Fukagawa
1Division of Nephrology, Endocrinology and Metabolism, Tokai University School of Medicine.
Insights
Sevelamer hydrochloride, a phosphate binder, effectively lowers phosphate levels and may reduce cardiovascular calcification compared to calcium-based binders. It also offers benefits in lipid metabolism and inflammation.
Area of Science:
- Nephrology
- Cardiology
- Pharmacology
Context:
- Hyperphosphatemia, common in declining kidney function, increases mortality and cardiovascular calcification risk.
- Sevelamer hydrochloride is a non-aluminum, calcium-free phosphate binder.
- Calcium-based binders can cause hypercalcemia, unlike sevelamer.
Purpose:
- To evaluate sevelamer hydrochloride's efficacy and safety in managing hyperphosphatemia.
- To compare sevelamer's effect on cardiovascular calcification versus calcium-based binders.
- To explore sevelamer's additional pleiotropic effects on vascular health.
Summary:
- Sevelamer hydrochloride effectively reduces serum phosphate levels, comparable to calcium-based binders.
- Unlike calcium-based binders, sevelamer does not promote hypercalcemia.
- Evidence suggests sevelamer may attenuate cardiovascular calcification and offers benefits in lipid metabolism and inflammation.
Impact:
- Sevelamer hydrochloride provides an alternative phosphate binder for patients with kidney disease.
- Potential to reduce cardiovascular complications associated with hyperphosphatemia.
- Broader therapeutic potential beyond phosphate binding, including cardiovascular risk mitigation.
Abstract:
Hyperphosphatemia with decline of kidney function has been associated with increased mortality and the development of cardiovascular calcification. Sevelamer hydrochloride was the first synthetic non-aluminum and calcium-free phosphate binder commercially available. Sevelamer is as effective as calcium-based binders in lowering phosphate, but without the tendency to promote hypercalcemia. There is some evidence that sevelamer hydrochloride can attenuate cardiovascular calcification compared with calcium-based phosphate binders. Furthermore, sevelamer has several additional pleiotropic effects that may extend its basic indication, some of which may help attenuate vascular calcification. These includes effects on lipid metabolism, and systemic inflammatory response.
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