- Women previously non-treated for osteoporosis, OR treated for osteoporosis with biphosphonates (alendronate, etidronate), hormone replacement therapy estrogen, estrogen-related drugs, progesterone, subcutaneous estrogen implant), raloxifene, fluoride, or calcitonin within the past 2 years but discontinued prior to enrolment into the study either due to:lack of effect or intolerance