Potency index, ratio ED50 of 1alpha,25-(OH)2D3 to ED50 of compound for transactivation of VDR in rat osteosarcoma cells assessed as 24-hydroxylase transcriptional activity
Induction of bone mobilization activity in weaning Sprague-Dawley rat assessed as increase in serum calcium level at 780 pmol, ip for 4 consecutive dose at an interval of 24 hrs measured 24 hrs after last dose (Rvb = 4.4 to 4.5 mg/dl)
Induction of bone mobilization activity in weaning Sprague-Dawley rat assessed as increase in serum calcium level at 260 pmol, ip for 4 consecutive dose at an interval of 24 hrs measured 24 hrs after last dose (Rvb = 4.4 to 4.5 mg/dl)
Induction of bone mobilization activity in weaning Sprague-Dawley rat assessed as increase in serum calcium level at 32 pmol, ip for 4 consecutive dose at an interval of 24 hrs measured 24 hrs after last dose (Rvb = 4.4 to 4.5 mg/dl)
Induction of intestinal calcium transport in weaning Sprague-Dawley rat assessed as ratio of calcium level in serosal to mucosal at 780 pmol, ip for 4 consecutive dose at an interval of 24 hrs measured 24 hrs after last dose (Rvb = 3.7 to 4.8 No_unit)
Induction of intestinal calcium transport in weaning Sprague-Dawley rat assessed as ratio of calcium level in serosal to mucosal at 260 pmol, ip for 4 consecutive dose at an interval of 24 hrs measured 24 hrs after last dose (Rvb = 3.7 to 4.8 No_unit)
Induction of intestinal calcium transport in weaning Sprague-Dawley rat assessed as ratio of calcium level in serosal to mucosal at 32 pmol, ip for 4 consecutive dose at an interval of 24 hrs measured 24 hrs after last dose (Rvb = 3.7 to 4.8 No_unit)