Clinical Research Directory

Inclusion Criteria for participants with glomerular disease: 1. CureGN participant or CureGN Eligible CureGN eligible is defined as having a diagnosis of Glomerulonephropathy (GN). Patients would otherwise be enrolled in be in CureGN study, except for lacking a minor entry criteria, such as: 1. First diagnostic kidney biopsy within 5 years of CureGN study enrollment 2. Access to first kidney biopsy report and/or slides or not being interested in study participation. 2. Males or females 5 to 55 years (premenopausal for women) 3. Females must have a negative urine/serum pregnancy test 4. Stable doses of nutritional vitamin D or active vitamin D therapy for at least 3 months before enrollment ((if on either form of Vitamin D) 5. Consent/Parental/guardian permission (informed consent) and if appropriate, child assent Exclusion Criteria for all participants 1. Chronic Dialysis 2. Solid organ transplantation 3. Lower extremity amputations or non-ambulatory 4. Malignancy requiring chemotherapy or metastatic to bone 5. Metabolic bone disease (e.g., Paget's disease, primary hyperparathyroidism) 6. Endocrinopathy (current hyperthyroidism or untreated hypothyroidism, Cushing's syndrome) 7. Medical diseases (end stage liver disease, heart or lung disease, intestinal malabsorption) 8. Those treated with bisphosphonates, teriparatide, calcitonin, selective estrogen receptor modulators, estrogen, or phenytoin in the past 12 months 9. Previous bilateral wrist and tibia fractures 10. Pregnant or lactating females 11. Parents/guardians or participants who, in the opinion of the Investigator, may be non-compliant with study schedules or procedures.