A Comparison Study With Alendronate and Raloxifene in Postmenopausal Women With Osteoporosis (0217-189)

Inclusion Criteria: * Patient is postmenopausal (or surgically menopausal) for at least 6 months * Patient must be diagnosed with osteoporosis * Patient has spinal anatomy suitable for DEXA of the lumbar spine Exclusion Criteria: * Patient is receiving or has received treatment prior to randomization which might influence bone turnover * Patient has a history of or evidence for metabolic bone disease (other than postmenopausal bone loss) * Patient is receiving or is expected to receive during the course of the study any medication (other than study medication) which might alter bone or calcium metabolism