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- W2006013310 abstract "A pilot randomized controlled trial of renal protection with pioglitazone in diabetic nephropathy.BackgroundDiabetic nephropathy progresses relentlessly to end-stage renal disease (ESRD). Animal experiments have found that peroxisome proliferator activated receptor-γ (PPAR-γ)-based therapy can have a glucose independent effect on renal protection. We hypothesized that PPAR-γ-based antidiabetic therapy would result in greater reduction in proteinuria compared to sulfonylurea-based therapy.MethodsIn 44 patients with overt diabetic nephropathy, an open-label, blinded end point trial was conducted in which subjects were randomized to either pioglitazone or glipizide to achieve similar glucose control. Proteinuria was assessed by two collections of 24-hour urine samples each month for 4 months.ResultsThe glipizide group had an adjusted mean increase in proteinuria of 6.1% (95% CI -11.7%, 23.8%), whereas the pioglitazone group had a reduction of 7.2% (95% CI -24.9%, 10.6%). The adjusted reduction with pioglitazone of 13.2% (95% CI -38.4%, 11.9%) was not statistically significant (P = 0.294). Baseline proteinuria, diastolic ambulatory blood pressure, and serum albumin concentration were independent predictors of reduction in proteinuria. The frequency and patterns of adverse events were similar in the two groups.ConclusionIn patients with advanced diabetic nephropathy, we found no reduction in proteinuria over 4 months. These data are useful to design larger studies with longer duration of follow-up to demonstrate renal protection of PPAR-γ agonists. A pilot randomized controlled trial of renal protection with pioglitazone in diabetic nephropathy. Diabetic nephropathy progresses relentlessly to end-stage renal disease (ESRD). Animal experiments have found that peroxisome proliferator activated receptor-γ (PPAR-γ)-based therapy can have a glucose independent effect on renal protection. We hypothesized that PPAR-γ-based antidiabetic therapy would result in greater reduction in proteinuria compared to sulfonylurea-based therapy. In 44 patients with overt diabetic nephropathy, an open-label, blinded end point trial was conducted in which subjects were randomized to either pioglitazone or glipizide to achieve similar glucose control. Proteinuria was assessed by two collections of 24-hour urine samples each month for 4 months. The glipizide group had an adjusted mean increase in proteinuria of 6.1% (95% CI -11.7%, 23.8%), whereas the pioglitazone group had a reduction of 7.2% (95% CI -24.9%, 10.6%). The adjusted reduction with pioglitazone of 13.2% (95% CI -38.4%, 11.9%) was not statistically significant (P = 0.294). Baseline proteinuria, diastolic ambulatory blood pressure, and serum albumin concentration were independent predictors of reduction in proteinuria. The frequency and patterns of adverse events were similar in the two groups. In patients with advanced diabetic nephropathy, we found no reduction in proteinuria over 4 months. These data are useful to design larger studies with longer duration of follow-up to demonstrate renal protection of PPAR-γ agonists." @default.
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- W2006013310 date "2005-07-01" @default.
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- W2006013310 title "A pilot randomized controlled trial of renal protection with pioglitazone in diabetic nephropathy" @default.
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- W2006013310 doi "https://doi.org/10.1111/j.1523-1755.2005.00416.x" @default.
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