 XVI.Current or previous use of teriparatide, other PTH analogues as patches or injectables, strontium, fluorine or any intravenous bisphosphonate therapeutic dose, XVII. Known hypersensitivity to pharmaceuticals derived from bacterial cells. XVIII. Hypersensitivity to teriparatide or to any of its excipients. XIX.Nephrolithiasis or urolithiasis in activity, according to the investigator opinion in the 5 years prior to randomization. 