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Effect of Renin Angiotensin System Blockade on CD95 and ADMA Levels in Type-2 Diabetic Patients With Proteinuria

Phase 4
18 Years
65 Years
Not Enrolling
Proteinuria, Diabetic Nephropathy, Chronic Kidney Disease

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Trial Information

Effect of Renin Angiotensin System Blockade on CD95 and ADMA Levels in Type-2 Diabetic Patients With Proteinuria

The patients who were non-obese (BMI < 30 kg/m2), non dyslipidemic (total cholesterol < 200
mg/dl, Triglyceride<150mg/dl), and free of cardiovascular events (negative medical history,
negative ECG findings) were investigated for enrollment. CKD stage 1 patients older than 18
years of age and willing to participate to the study were screened. From the 231 patients
with established type 2 diabetes mellitus, 126 had proteinuria and/or hypertension (24 h
protein excretion 1-2 g/day, systolic blood pressures ≥ 140 mmHg and/or diastolic blood
pressures ≥ 90 mmHg, respectively). All cases were first referrals and at the time of the
study all were off treatment. Patients with history of coronary artery disease, smokers and
those taking statins or renin-angiotensin blockers were excluded because of the effect of
these factors on endothelial dysfunction. Of 126 screened patients 78 met the study criteria
and were included in this study. The duration of proteinuria and diabetic nephropathy after
initial diagnosis was not known.

The exclusion criteria were as follows: A)Nephrotic syndrome, B)coronary heart disease
(patients with ischemic ST-T alterations and voltage criteria for LVH on electrocardiogram,
and with history of revascularization or myocardial infarction), C) elevated liver enzymes
(AST or ALT levels ≥ 40 U/L) and D) renal failure (serum creatinine levels > 1.3 mg/dl). In
order to evaluate the effect of RAS blockade on plasma PTX3 concentrations, patients with
proteinuria were given an ACE inhibitor (ramipril 10 mg/day) for 12 weeks. The effect of RAS
blockade on insulin sensitivity and proteinuria was also investigated.

After the intervention period, blood samples were obtained for assay of plasma PTX3
concentrations, HbA1c , and insulin resistance scores (HOMA-IR).

Urine samples were also collected over a 24-hour period to determine the degree of

Inclusion Criteria:

- CKD stage 1 patients

- Older than 18 years of age

- Type 2 Diabetic patients

- Proteinuria

Exclusion Criteria:

- History of coronary artery disease

- Smokers

- Taking statins or renin-angiotensin blockers

Type of Study:


Study Design:

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Single Blind, Primary Purpose: Treatment

Outcome Measure:

Flow mediated dilatation

Safety Issue:


Principal Investigator

Mahmut I Yilmaz, MD

Investigator Role:

Principal Investigator

Investigator Affiliation:

Gulhane School of Medicine


Turkey: Ethics Committee

Study ID:




Start Date:

January 2008

Completion Date:

April 2009

Related Keywords:

  • Proteinuria
  • Diabetic Nephropathy
  • Chronic Kidney Disease
  • CD95
  • ADMA
  • proteinuria
  • diabetic nephropathy
  • CD95 and ADMA levels
  • Diabetic Nephropathies
  • Kidney Diseases
  • Proteinuria
  • Renal Insufficiency, Chronic
  • Kidney Failure, Chronic