Evaluation the effectiveness of the Jiangniaosuan formulation in the treatment of hyperuricemic nephropathy in patients with chronic kidney disease stages 3-4: Study protocol of a randomized controlled trial.

The trial will conduce to the comprehensive assessment in the efficacy and safety of JNSF among patients diagnosed with hyperuricemic nephropathy at CKD stages 3-4, and provide a clinical method available on systems of the combination of modern medicine and TCM.