CP and familial hypocalciuric hypercalcemia: In 16 cases (13 f, 3 m, mean age 39.1 years), the CP treatment was stopped due to different reasons (e.g., non-compliance, no clinical effect, increase in symptoms, food supplements too expensive, diet too complex, daily fluid intake too stressful, pregnancy, familial hypocalciuric hypercalcemia, and significant increase in parameters of bone metabolism).