PTH and hypercalcemia disease: She had been treated for 14 years, with an average dose of elemental phosphorus of 45.9 mg/kg per day (range 38–80 mg/kg per day) and alfacalcidol 34.2 ng/kg per day (range 22–49.6 ng/kg per day) the last 7 years before the development of permanently elevated PTH combined with hypercalcemia.