I. Determine the possible causes of bone loss in premenopausal or perimenopausal women.
PROTOCOL OUTLINE: Patients undergo physical examination and complete history with emphasis
on risk factors for osteoporosis and screening for occult secondary causes of osteoporosis
through blood serum and 24 hour urine collection.
Patients with more than 6 months since prior bone mineral density measurements or who did
not receive measurements at participating center, undergo dual energy x-ray absorptiometry
over 30 minutes for bone mineral density measurements.
PROTOCOL ENTRY CRITERIA:
- Low bone mass (T score less than -2.0) with no secondary cause on routine exam
- Chemotherapy: No prior or concurrent chemotherapeutic agents
- Endocrine therapy: No prior or concurrent glucocorticoids or suppressive doses of
- Other: No prior or concurrent anticonvulsants
- Hematopoietic: No multiple myeloma
- Other: No hyperparathyroidism No thyrotoxicosis No anorexia nervosa No Paget's
disease of bone No rheumatoid arthritis No Cushing's syndrome No malabsorption
syndrome No type I diabetes mellitus