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  • Title: Effects of angiotensin-converting enzyme inhibitor and steroid therapy on proteinuria in FSGS: a retrospective study in a single clinic.
    Author: Stiles KP, Abbott KC, Welch PG, Yuan CM.
    Journal: Clin Nephrol; 2001 Aug; 56(2):89-95. PubMed ID: 11522100.
    Abstract:
    We retrospectively evaluated the response to steroids (S) +/- angioten-sin-converting enzyme inhibitors (ACEI) vs. ACEI in nephrotic patients with FSGS seen in our clinic from 1992 - 1999. Of 48 patients with biopsy-proven FSGS, 30 had pre-therapy and follow-up evaluations of proteinuria. Of these, 22 were nephrotic (> or = 3 g protein/24 h). Twelve/22 were treated with S and 10/22 with ACEI +/- HMG-CoA reductase inhibitor (statin) alone. 92% of S patients received ACEI during follow-up, 83% concurrently with steroid treatment. The two cohorts (S vs. ACEI) were not different in age (34 +/- 12 vs. 33 +/- 12), sex (75% vs. 78% male), or ethnicity (83% vs. 83% African American). Mean follow-up time was 16 (range 4 - 61 months) vs. 23 months (range 6 - 56 months). Mean S dose was 70 mg qd (range 60 - 100 mg), with mean treatment duration of 4 months. Nephrotic patients were compared with regard to degree of proteinuria at follow-up. There were no complete remissions (proteinuria < or = 200 mg/24 h) in either group. There was no difference in partial remissions (> 200 mg to < 3 g proteinuria/24 h) between the two groups - 5/12 vs. 6/10 (p = 0.434). There was no difference in the proportion of patients progressing to ESRD. Although proteinuria decreased significantly with time in both groups, there was no significant treatment effect. There was no significant time or treatment effect on serum creatinine. Mean arterial pressure and serum cholesterol were not significantly different between the groups. Thus, treatment with S +/- ACEI is no more effective in reducing proteinuria in FSGS than treatment with ACEI alone.
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