CKD ( ) Group 1 ( )Telmisartan/ramipril 40/5 mg/day Group 2 ( )Telmisartan 80 mg/day Mean ± SD or median (IQR) Mean ± SD or median (IQR) Mean ± SD or median (IQR) Sex, F/M (% F) 8/16 (33%) 4/8 (33%) 4/8 (33%) Age, years 60 ± 12 62 ± 12 58 ± 13 Systolic BP, mmHg 133 ± 13 132 ± 13 133 ± 14 Diastolic BP, mmHg 80 ± 9 82 ± 8 77 ± 9 Creatinine, mg/dL 1.6 (1.1–2.1) 1.6 (1.0–2.3) 1.7 (1.3–2.0) GFR, mL/min per 1.73 m2 48 (32–66) 48 (22–71) 48 (34–66) Proteinuria, g/24 h 0.95 (0.30–2.35) 0.52 (0.28–2.49) 1.28 (0.36–2.35) IMT, mm 0.90 (0.73–1.00) 0.95 (0.72–1.05) 0.88 (0.73–1.00) Total LMW thiols t-CysGly, µ mol/L 30.2 ± 8.6 31.6 ± 8.8 28.8 ± 8.4 t-Hcy, µ mol/L 17.0 (12.1–24.4) 16.3 (12.1–26.3) 19.2 (11.8–23.7) t-Cys, µ mol/L 381 ± 98 391 ± 89 370 ± 109 t-GSH, µ mol/L 7.5 ± 2.6 7.4 ± 2.1 7.6 ± 3.2 t-GluCys, µ mol/L 5.8 (3.9–6.5) 5.7 (4.5–6.0) 5.4 (3.5–7.6) Sum of total LMW thiols, µ mol/L 444 ± 112 458 ± 106 432 ± 122 Reduced LMW thiols r-Cys-Gly, µ mol/L 6.2 ± 2.2 5.8 ± 1.6 6.6 ± 2.6 r-Hcy, µ mol/L 0.24 (0.15–0.37) 0.20 (0.13–0.37) 0.29 (0.18–0.37) r-Cys, µ mol/L 21.6 ± 4.1 20.9 ± 4.7 21.9 ± 3.5 r-GSH, µ mol/L 1.09 (0.78–1.46) 1.01 (0.74–1.31) 1.11 (0.85–1.67) r-Glu-Cys, µ mol/L 0.36 (0.26–0.46) 0.35 (0.22–0.58) 0.37 (0.27–0.44) Sum of reduced LMW thiols, µ mol/L 29.4 ± 5.9 28.4 ± 5.9 30.5 ± 6.0 Thiols redox status LMW redox, % 0.072 ± 0.027 0.066 ± 0.023 0.078 ± 0.030 PSH, µ mol/g prot 3.95 (3.31–4.80) 3.59 (3.23–4.15) 4.61 (3.39–5.80)