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Table 2 Change in renal function and RAAS markers from baseline to end of treatment and follow-up

From: Effects of the dual peroxisome proliferator-activated receptor-α/γ agonist aleglitazar on renal function in patients with stage 3 chronic kidney disease and type 2 diabetes: a Phase IIb, randomized study

Parameter, LS mean percentage change (95% CI)

EOT

EOF

 

Aleglitazar

Pioglitazone

Aleglitazar

Pioglitazone

150 μg

45 mg

150 μg

45 mg

eGFR

n = 148

n = 147

n = 140

n = 132

–15.0 (–19.1, –10.8)

–5.4 (–9.6, –1.2)

–2.7 (–7.7, 2.4)

–3.4 (–8.5, 1.7)

SCr

n = 148

n = 147

n = 140

n = 132

17.3 (13.1, 21.5)

6.9 (2.6, 11.1)

5.4 (1.3, 9.5)

4.9 (0.7, 9.0)

Cystatin-C

n = 148

n = 147

n = 140

n = 130

16.1 (11.8, 20.4)

11.4 (7.1, 15.8)

12.8 (8.7, 16.9)

14.8 (10.6, 19.1)

RAAS markers

 Renin*

n = 138

n = 138

n = 135

n = 127

19.9 (–1.8, 46.3)

31.0 (7.6, 59.5)

12.9 (–7.4, 37.7)

14.6 (–5.9, 39.6)

 Aldosterone*

n = 125

n = 122

n = 122

n = 114

–10.8 (–21.8, 1.7)

–11.2 (–22.1, 1.2)

–5.5 (–16.6, 7.1)

2.1 (–9.8, 15.6)

 Sodium excretion (fractional)*

n = 143

n = 139

n = 139

n = 130

27.1 (10.8, 45.9)

4.6 (–9.0, 20.3)

0.9 (–12.1, 15.8)

–6.2 (–18.5, 8.0)

Renal tubular markers

 α-GST*

n = 96

n = 96

n = 84

n = 84

12.7 (0.7, 26.2)

1.0 (–10.0, 13.3)

3.9 (–7.6, 16.9)

6.9 (–5.1, 20.4)

 NAG*

n = 142

n = 140

n = 138

n = 132

12.4 (–7.7, 37.0)

0.2 (–17.8, 22.3)

1.7 (–14.4, 20.9)

6.8 (–10.3, 27.2)

  1. Data are from the full analysis population. The last-observation-carried-forward principle was applied to missing values of continuous variables.
  2. α-GST = α-glutathione S-transferase; CI = confidence interval; eGFR = estimated glomerular filtration rate; EOF = end of follow-up; EOT = end of treatment; LS = least squares; NAG = N-acetyl-β-D-glucosaminidase; RAAS = renin–angiotensin–aldosterone system; SCr = serum creatinine.
  3. *Analysis on log-transformed scale, geometric means ratio expressed as percentage change.
  4. p < 0.001 versus pioglitazone at EOT. p < 0.05 versus pioglitazone at EOT.