A 55-year-old man on hemodialysis presents with persistent hyperparathyroidism. Vital signs show BP 148/92 mmHg, HR 88 bpm, RR 16, temp 37°C. Labs reveal PTH 487 pg/mL (normal <65), phosphate 6.2 mg/dL, and corrected calcium 9.8 mg/dL. Imaging shows no parathyroid adenoma. He denies bone pain. His nephrologist prescribes a medication that sensitizes calcium-sensing receptors on parathyroid cells to suppress PTH secretion. Which drug was most likely prescribed?
- A)Teriparatide
- B)Calcitonin
- C)CinacalcetGABARITO
- D)Alendronate
- E)Sevelamer
Explicação
Cinacalcet is a calcimimetic that increases sensitivity of the calcium sensing receptor on parathyroid cells, thereby suppressing PTH release. It is especially useful in secondary hyperparathyroidism in patients with chronic kidney disease on dialysis. Ver explicação completa e trilha adaptativa →