An Observation Study to Evaluate the Renoprotective Effect of Fimasartan in Patients With DKD and Proteinuria

Inclusion Criteria: * Male and female adults aged 19 or older * Those who were diagnosed with type 2 diabetes and have been being given stable doses of hypoglycemic agents for 8 weeks or longer * Those in whom albuminuria was found to meet one of the following criteria two times before the administration of the antihypertensive treatment containing fimasartan (results (baseline values) within 4 weeks before the administration of antihypertensives must be ACR or AER results) * An albumin/creatinine ratio (ACR) of 10 mg/g or higher or * An albumin excretion rate (AER) of 10 mg/day or higher or * A proteinuria/creatinine ratio (PCR) of 70 mg/g or higher or * A urine dipstick result of trace to 1+ or higher * Those who plan to be given antihypertensive treatment containing fimasartan for essential hypertension or are being given the treatment (in this case, those with an administration period of 6 weeks or lower can be enrolled) * Those with records of clinical systolic blood pressure of 140 mmHg or higher or diastolic blood pressure of 85 mmHg or higher before the antihypertensive treatment containing fimasartan or at the time of the treatment. The following additional criteria shall be applied depending on age and the presence of comorbidities. * Aged younger than 65: Systolic blood pressure of 130 mmHg or higher or diastolic blood pressure of 80 mmHg or higher shall be applied to those with cardiovascular disease or an ACR or AER of 30 mg/g or higher. * Aged 65 or older: Regardless of comorbidities, systolic blood pressure of 140 mmHg or higher or diastolic blood pressure of 90 mmHg or higher shall be applied. * Patients who agreed in writing to the Personal Information Collection and Usage Agreement after listening to the explanation of the objective, method, etc. of this observational study Exclusion Criteria: * Patients who are suspected of or confirmed with secondary hypertension * Those diagnosed with type 1 diabetes or secondary diabetes * Patients undergoing kidney dialysis or patients who received kidney transplants or those for whom kidney dialysis or kidney transplants are planned * If angiotensin converting enzyme inhibitors (ACEI) or renin inhibitors are used in conjunction or are planned to be used in conjunction * Patients with moderate to severe hepatic dysfunction (ALT and/or AST of over three times the upper limit of normal) or patients with biliary tract obstruction * Pregnant and breast-feeding women * Those who were administered with drugs for clinical studies within 12 weeks from the enrollment or those who plan on participating in other clinical studies while participating in this study * Other subjects who are considered inappropriate to participate in the study by the investigator's decision