<prompt> All of the following agents decreases bone resorption in osteoporosis, Except -AlendronateEtidronateStrontiumTeriparatide  <response>: A drug used in osteoporosisInhibit resorption: - Bisphosphonates, denosumab, cinacalcet, calcitonin, estrogen, SERMS, gallium nitrate.Stimulateformation : -Teriparatide, calcium, calcitrial, fluorides,.Both actions : - Strontium, renelate.Drugs decreasing bone resorption initially increase bone mineral density BMI, but it reaches a plateau in 2-3 yrs because bone formation also decreases.On the other hand, drugs promoting bone formation can increase BMD through the period of treatment. 