Abstract. Bone pain due to bony metastases can seriously affect a patient's quality of life. For breast cancer, hormonal therapy and Phosphorus orthophosphate and polyphosphate, Strontium, Yttrium EDTA and several Mar 26, - Keywords: Bone metastasis, lung cancer, strontium chloride used to treat pain caused by the bone metastasis of prostate and breast cancers. . 89 SrCl2 had a relatively long half-life ( days), and 90 days after the.