The purpose of this trial is to study: * Effects of arzoxifene on bone fractures and bone mass. * Effects of arzoxifene on getting breast cancer. * Effects of arzoxifene on certain types of cardiovascular events, such as heart attack and stroke. * Effects of arzoxifene that changes the amount of certain substances in the blood that are related to osteoporosis and cardiovascular health. * Effects of arzoxifene on the uterus. * The safety of arzoxifene and any side effects.
Inclusion Criteria: * 60-85 years of age * Female * At least two years since last menstrual cycle Exclusion Criteria: * Abnormal or unexplained vaginal bleeding. * Bone disorders, other than osteoporosis or low bone mass * History of breast cancer, cancer of the uterus, or any cancer in the last five years (except skin cancer). * History of cerebral vascular accidents or venous thromboembolic events * Medications outlined
están designados en este estudio
de ser asignado al grupo placebo