Treating Osteoporosis (weak Bones) in Women Who are Postmenopause. Ibandronate is a Bisphosphonate and Works By Slowing Bone Loss and Allowing New Bone to Be Formed. Ibandronic Acid or ibandronate Sodium is a Potent Bisphosphonate Drug Used in the Prevention and Treatment Of osteoporosis and Metastasis-associated Skeletal Fractures in Multiple Myeloma, Breast Cancer. it May also Be Used to Treat hypercalcemia-elevated Blood Calcium levels side Chains Creates Chemical Physicla Properties, Mechanism of Resorption, and Pharmacokinetics. Biphosphonates Bind Strongly to Hydroxyapatite Crystals At the Sites of Increased Bone Turnover Preferentially and Inhibit the Formation, Aggregation, and Dissolution of the Crystals.they also May Inhibit Osteoclast Function Directly, Promotion of Osteoclast Apoptosis, and Interference with Osteoblast- Mediated Osteoclast Activation.