J Clin Endocrinol Metab. 2014 Oct;99(10):3607-18. doi: 10.1210/jc.2014-1417. Epub 2014 Aug 27

The recommended calcium intake in patients with PHPT should follow guidelines established for all individuals. It is not recommended to limit calcium intake in patients with PHPT who do not undergo surgery. Patients with low serum 25-hydroxyvitamin D should be repleted with doses of vitamin D aiming to bring serum 25-hydroxyvitamin D levels to ≥ 50 nmol/L (20 ng/mL) at a minimum, but a goal of ≥75 nmol/L (30 ng/mL) also is reasonable. Pharmacological approaches are available and should be reserved for those patients in whom it is desirable to lower the serum calcium, increase BMD, or both. For the control of hypercalcemia, cinacalcet is the treatment of choice. Cinacalcet reduces serum calcium concentrations to normal in many cases, but has only a modest effect on serum PTH levels. However, bone mineral density (BMD) does not change. To improve BMD, bisphosphonate therapy is recommended. The best evidence is for the use of alendronate, which improves BMD at the lumbar spine without altering the serum calcium concentration. To reduce the serum calcium and improve BMD, combination therapy with both agents is reasonable, but strong evidence for the efficacy of that approach is lacking.

Autor: Marcocci C, Bollerslev J, Khan AA, Shoback DM.

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