Disclosed herein are methods, compounds and compositions for preventing or treating a renal disorder or chronic kidney diseases, including nephropathies such as diabetic nephropathy. The invention generally includes administering to a subject 1,3-propanedisulfonic acid or a pharmaceutically acceptable salt thereof, e.g., 1,3-propanedisulfonic acid sodium salt. The invention also relates to methods, compounds and compositions for the prevention and/or treatment of for preventing or treating a renal disorder complication. The invention further relates to methods, compounds and compositions for the prevention and/or treatment of dyslipidemia, and more particularly for reducing levels of harmful serum lipid levels, especially cholesterol and triglycerides in diabetic patients.