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  • Title: [Effect of irbesartan in proteinuric non-diabetic renal disease].
    Author: de Gracia MC, Molina M, Navarro MJ, Garcia Hernández MA.
    Journal: Nefrologia; 2005; 25(5):509-14. PubMed ID: 16392300.
    Abstract:
    This randomized, prospective, two-arm clinical study evaluated the antiproteinuric and nephroprotective effects and the safety of treatment with an angiotensin II receptor antagonist (irbesartan) in patients with chronic glomerulonephritis (CGN) as compared to angiotensin-converting enzyme inhibitors (ACEIls). A total of 50 patients with CGN diagnosed by renal biopsy and protein levels in 24-hour urine higher than 1 g were enrolled. All patients received treatment for at least 24 months, 27 in group 1 (irbesartan) and 23 in group 2 (ACEs). A significant decrease in proteinuria (p < 0.001) was seen in both groups (49.2% in group, 1, and 44.8% in group 2) since the third month, and confirmed at 12 and 24 months of follow-up (58.1% and 62.7% in group 1, and 56.8% and 55.4% in group 2, respectively), with no significant differences being seen between the two groups. No differences were found in blood pressure control. No significant decrease was found in any of the groups in the glomerular filtration rate, but this showed higher values in the group treated with ACEIs (2.98 +/- 7.77 vs 1.64 +/- 6.84 ml/min/year), though the difference with irbersartan was not statistically significant. No side effects occurred among patients treated with irbesartan, whereas three patients initially treated with ACEIs showed intolerance (cough). In conclusion, irbesartan showed in our study an antiproteinuric and nephroprotective effect similar to ACEIs in patients with chronic glomerulonephritis, and its administration was also shown to be safe.
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