Delayed-release budesonide combined with cyclophosphamide in a patient with IgA nephropathy with eGFR < 30 mL/min/1.73 m²: A case report

This case suggests that delayed-release budesonide in combination with cyclophosphamide on the basis of supportive therapy is effective in treating adult IgA nephropathy patient with eGFR < 30 mL/min/1.73 m2. This approach warrants further investigation in larger prospective studies.