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Non-calcium-based phosphate binders, including lanthanum carbonate, form insoluble complexes with phosphates in food, thereby reducing the amount of phosphate in the body. [1] Sevelamer carbonate. Sevelamer is an insoluble polymeric amine, which is protonated once in the intestines and this allows it to bind dietary phosphate.
Phosphate-binding medications include sevelamer, lanthanum carbonate, calcium carbonate, and calcium acetate. [7] Previously aluminum hydroxide was the medication of choice, but its use has been largely abandoned due to the increased risk of aluminum toxicity .
Calcium is the most abundant mineral in the human body. [3] The average adult body contains in total approximately 1 kg, 99% in the skeleton in the form of calcium phosphate salts. [3] The extracellular fluid (ECF) contains approximately 22 mmol, of which about 9 mmol is in the plasma. [4]
Sodium cellulose phosphate reduces the renal excretion of magnesium and calcium. Phosphate and oxalate were both increased in the urine, one due to intestinal hydrolysis and the other to a reduced oxalate complex. Overall, it was noted that the drug could be used to correct the increased calcium absorption that occurs in absorptive ...
Though calcium is the most plentiful electrolyte in the body, a large percentage of it is used to form the bones. [14] It is mainly absorbed and excreted through the GI system. [14] The majority of calcium resides extracellularly, and it is crucial for the function of neurons, muscle cells, function of enzymes, and coagulation. [14]
Calcium-alpha-ketoglutarate (C 5 H 4 CaO 5 •H 2 O) is a special form mineral calcium that can be used to restore calcium concentration level in the blood back to normal. Calcium-alpha-ketoglutarate binds excess phosphate and pass it as a waste, re-establishing normal balance of calcium and phosphate in the body.
Malabsorption – This includes gastrointestinal damage, and also failure to absorb phosphate due to lack of vitamin D, or chronic use of phosphate binders such as sucralfate, aluminum-containing antacids, and (more rarely) calcium-containing antacids. [citation needed] Intravenous iron (usually for anemia) may cause hypophosphatemia.
Sevelamer is a phosphate binding medication used to treat hyperphosphatemia in patients with chronic kidney disease. When taken with meals, it binds to dietary phosphate and prevents its absorption. Sevelamer was invented and developed by GelTex Pharmaceuticals.