When cinacalcet is used to treat hypercalcemia in primary hyperparathyroidism, does it also normalize low serum phosphorus levels?  

Cinacalcet can be used for treating primary hyperparathyroidism especially in patients who are unable to tolerate the surgery.  By lowering the PTH cinacalcet will not only decrease serum calcium levels but will also increase serum phosphate levels. See Peacock M, Bolognese MA, Borofsky M, Scu...