 A consequence of ADT is the gradual bone loss, so-called cancer treatment induced bone loss CTIBL. The current standard of care is the addition of Vitamin D and Calcium upon the initiation of ADT. Moreover, bisphosphonates are now being considered to treat and prevent CTIBL. However, bisphosphonates are costly, thus there is a desire to identify or target a specific subset of patients who would most benefit from the treatment. 