AKT-1779

A 65-year-old man has carcinoma of the prostate with metastases in bone. His adjusted serum calcium on routine testing on two occasions is 2.7 mmol/L (normal range 2.15-2.65 mmol/L). He has no symptoms to suggest hypercalcaemia. He still has a reasonable quality of life and is expected to live for several months more. He would prefer not to go into hospital.
Which of the following options is the most appropriate initial management for this patient?