<prompt> Strontium ranelate is approved for treatment of:AsthmaCystic fibrosisUTIOsteoporosis  <response>: Strontium ranelate is approved in several European countries for the treatment of osteoporosis. It increases bone mass throughout the skeleton; in clinical trials, the drug reduced the risk of veebral fractures by 37 and nonveebral fractures by 14. It appears to be modestly antiresorptive, while at the same time not causing as much of a decrease in bone formation measured biochemically. Ref: Harrisons principle of internal medicine 17th edition, chapter 338. 