Clinical Research Directory

Inclusion Criteria: * \- Age between 2 and 16 years. * Diagnosis of steroid-dependent nephrotic syndrome (according to standard clinical criteria). * Currently in remission or relapse while on steroid therapy. Exclusion Criteria: * \- Children with congenital or secondary nephrotic syndrome. * Presence of other chronic kidney diseases. * Use of medications that affect calcium metabolism (other than steroids). * Children with systemic diseases affecting bone or mineral metabolism.