- Ambulatory men at least 30 years old at screening, who are diagnosed with primary, idiopathic or hypogonadal osteoporosis according to the following criteria: Femoral neck (FN) BMD T-score < -2.0 and LS BMD T-score < -1.0 OR LS BMD T-score < -2.0 and FN BMD T-score < -1.0 and BMD T-score > 4.0 at any site