The present invention relates to depot formulations comprising a poorly water soluble salt of a bisphosphonate forming together with one or more biocompatible polymers, to poorly water-soluble salts of such bisphosphonates, to crystalline forms of the free compounds and the salts and to other related aspects, where the compounds are of the Formula (I), where R
1
and R
2
are as described in the specification. Compounds of the Formula (I) and their forms mentioned in the disclosure are useful for the treatment of bone-related disorders and cancer.
                            本发明涉及包含一种难溶性双
磷酸盐及一种或多种
生物相容性聚合物的储存型制剂,以及这种双
磷酸盐的难溶性盐、自由化合物和盐的结晶形式,以及其他相关方面。其中,化合物为式(I),其中R1和R2如说明书所述。在本文中提到的式(I)化合物及其形式对于治疗与骨有关的疾病和癌症具有用处。