2-ALKYLIDENE-19-NOR-VITAMIN D DERIVATIVES FOR THE TREATMENT OF RICKETS OR VITAMIN D DEFICIENCY

摘要

The present invention relates to methods of treating osteopenia or male osteoporosis, the methods comprising administering to a patient in need thereof a 2­ alkylidene-19-nor-vitamin D derivative. Particularly, the present invention relates to methods of treating osteopenia or male osteoporosis, the methods comprising administering to a patient in need thereof 2-methylene-19-nor-20(S)-1a,25­ dihydroxyvitamin D3.