Inclusion criteria were patients who underwent renal transplantation aged ≥18 years old, who signed the informed consent, who underwent follow-up post transplant clinic at the Hospital do Rim for 3 months, receiving immunosuppressive drugs tacrolimus, prednisone and sodium mycophenolate or tacrolimus, azathioprine, and prednisone. Exclusion criteria were patients who underwent second kidney transplant, which did not follow the Hospital do Rim after transplant and who were participating in some other study with pharmaceutical intervention.