“A calcimimetic is a drug that mimics the action of calcium on tissues, by allosteric activation of the calcium-sensing receptor that is expressed in various human organ tissues. Calcimimetics are used to treat secondary hyperparathyroidism (SHPT). In the treatment of SHPT patients on dialysis calcimimetics does not appear to affect the risk of early death. It does decrease the need for a parathyroidectomy but caused more issues with low blood calcium levels and vomiting. Cinacalcet is a calcimimetic and the only approved drug of this class. Cinacalcet mimics calcium at the parathyroid hormone receptor. This binding will increase the sensitivity of calcium-sensing receptors (CaSR) on the parathyroid gland. As a result of the receptor “”thinking”” there is sufficient calcium, PTH secretion will be reduced. Lower calcium levels will be seen as well.
Calcimimetic agent
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