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. 2020 Oct 20;18:400. doi: 10.1186/s12967-020-02574-8

Table 6.

The effects of non-statin on the prevention of contrast-induced nephropathy: reports from clinical studies

Study type Models Intervention (drug/dose/route/duration) Major findings Interpretations References
Renal function Oxidative stress/inflammatory markers
Randomized, double-blind, placebo-controlled trial Patients with Cr ≥ 1.2 mg/dL undergoing clinically driven, nonemergent CAG or PCI treated with nonionic, low- or iso-osmolar contrast Ascorbic acid/3 g/po/2 h prior to procedure + 2 g/po/night and morning after procedure (n = 118) vs. Placebo (n = 113)

↓ CIN

↓ Cr

↓ CrCl changes

↔ BUN

Ascorbic acid prevented CIN after coronary imaging procedures in patients with pre-existing renal dysfunction [110]
Prospective randomized-controlled trial Patients with Cr > 1.2 mg/dL or CrCl < 50 mL/min underwent elective CT treated with iopromide NAC/600 mg/po/bid/1 day prior to and after CT (n = 41) vs. Placebo (n = 42)

↓ CIN

↓ Cr changes at 48 h after CT

Short-term pretreatment with NAC prevented CIN [82]
Prospective randomized-controlled trial Patients with Cr > 1.2 mg/dL or CrCl < 70 mL/min underwent elective CAG ± PCI treated with iopromide

NAC/600 mg/po/bid/1 day prior to and after CAG (n = 92)

No NAC (n = 91)

↔ CIN

↔ Cr changes at 48 h after CAG

↓ Cr changes at 48 h after CAG by using small volume of CM

Short-term NAC prevented CIN in patients with CKD and using small volume of CM [83]
Randomized, double-blind, placebo-controlled trial Patients with Cr ≥ 1.4 mg/dL or CrCl < 50 mL/min underwent elective CAG treated with ioxilan NAC/600 mg/po/bid/1 dose prior to and 3 doses after CAG (n = 25) vs. Placebo (n = 29)

↓ CIN

↓ Cr at 48 h after CAG

↓ Cr changes

Short-term NAC reduced risk of CIN in patients with CKD [84]
Prospective randomized, double-blind study Patients with Cr > 106 µmol/L underwent elective CAG treated with non-ionic, low osmolar iodine NAC/1,000 mg/po/bid/24 h prior to and 24 h after CAG (n = 24) vs. Placebo (n = 25) ↓ CrCl changes at 24 and 96 h after CAG

↑ urinary NO

↔ urinary F2-isoprostanes

Short-term NAC prevented CIN in patients with CKD undergoing CAG via increasing NO production [85]
Prospective, randomized, double-blind, placebo-controlled trial Patients with Cr > 1.2 mg/dL or CrCl < 60 mL/min underwent elective CAG ± PCI treated with iopamidol NAC/600 mg/po/bid/1 day prior to and after procedure (n = 102) vs. Placebo (n = 98)

↓ CIN

↓ Cr at 48 h after procedure

↑ CrCl

Short-term NAC prevented CIN in patients with moderate CKD after CAG [86]
Prospective randomized trial Patients with Cr ≥ 1.5 mg/dL underwent CAG treated with iopromide or ioxilan NAC/600 mg/po/bid/after randomization, 4 h later and every 12 h after CAG total 5 doses (n = 21) vs. Placebo (n = 22)

↓ CIN

↓ Cr changes at 48 and 72 h after CAG

Short-term NAC reduced CIN in patients with mild to moderate renal impairment undergoing CAG [87]
Prospective randomized trial Patients with Cr > 1.8 mg/dL (males), > 1.6 mg/dL (females), or CrCl < 50 mL/min underwent CAG ± PCI NAC/1000 mg/po/bid/1 h prior to and 4 h after procedure (n = 36) vs. Placebo (n = 44)

↔ CIN

↓ Cr changes at 48 h

Short-term high-dose NAC prevented the rise of Cr 48 h after CAG/PCI and might prevent CIN [88]
Prospective randomized-controlled trial Patients with Cr > 2.0 mg/dL and < 6.0 mg/dL or CrCl < 40 mL/min and > 8 mL/min underwent CAG treated with iopamiro NAC/400 mg/po/bid/1 day prior to and after CAG (n = 60) vs. Placebo (n = 61)

↓ Cr

↓ Cr changes at 48 h

Short-term NAC protected CIN in patients with CKD undergoing CAG [89]
Prospective randomized-controlled trial Patients with eGFR 30–60 mL/min/1.73 m2 underwent CAG treated with ioversol

NAC/600 mg/po/bid/1 day prior to and after CAG (n = 73) vs

NAC/600 mg/po/bid/1 day prior to and after CAG + theophylline/200 mg/po/bid/1 day prior to and after CAG (n = 72) vs

No NAC (n = 72)

↓ CIN (NAC + theophylline)

↓ Cr at 48 h after CM (NAC + theophylline)

Short-term NAC along with theophylline prevented CIN in patients with eGFR 30–60 mL/min/1.73 m2 [90]
Double-blind, placebo-controlled, randomized study Age 18–80 years with Cr 1.4–5.0 mg/dL and CrCl < 70 mL/min/1.73 m2 scheduled for elective CAG treated with iopamidol NAC/600 mg/po/bid/2 day prior to and 2 day after angiography (n = 13) vs. Placebo (n = 11)

↑ CrCl

↓ α-GST

↔ urinary 15-isoprostane F2t Short-term NAC treatment was associated with suppression of oxidative stress-mediated proximal tubular injury [91]
Prospective randomized-controlled trial Patients with Cr > 1.36 mg/dL or CrCl < 50 mL/min underwent CAG or PCI treated with iodixanol

NAC/150 mg/kg/IV/30 min prior to CM + NAC/50 mg/kg/IV/4 h after CM (n = 41) vs

No NAC (n = 39)

↓ CIN

↓ Cr at 48 and 96 h after CM

Short-term IV NAC prevented CIN [107]
Single center, Prospective, single-blind, placebo-controlled, randomized controlled trial STEMI undergoing primary PCI treated with iopromide NAC/1200 mg/day/IV/bid/bolus prior to and up to 48 h after PCI (n = 126) vs. Placebo (n = 125)

↔ CIN

↔ Cr

↔ CrCl

↓ activated oxygen protein products at day 1–2

↓ oxidized LDL at day 1–3

High-dose IV NAC reduced oxidative stress after reperfusion of MI but not provided additional clinical benefit to nephropathy [108]
Randomized, placebo-controlled, double blind trial Age > 18 years with Cr ≥ 1.2 mg/dL or CrCl < 50 mL/min underwent CAG treated with iomeperole

NAC/600 mg/po/bid/1 day prior to and after CAG (n = 19) vs

Zinc/60 mg/po/1 day prior to CAG (n = 18) vs. Placebo (n = 17)

↔ CIN

↔ Cr

↓ cystatin C

Short-term NAC and zinc did not prevent CIN but NAC had renoprotective effect by reducing cystatin C [92]
Double-blind, placebo and comparator-drug-controlled, randomized trial eGFR 15–44.9 mL/min/1.73 m2 or 45–59.9 mL/min/1.73 m2 in DM underwent CAG or noncoronary angiography NAC/1200 mg/po/bid/1 h prior to, 1 h, and 4 day after angiography (n = 2495) vs. Placebo (n = 2498)

↔ CIN

↔ Cr at 90–104 day after angiography

Oral NAC did not prevent CIN [93]
Pragmatic randomized-controlled trial Patients with at least 1 risk factor for CIN (age > 70 years, Cr > 1.5 mg/dL, DM, CHF, LVEF < 0.45, hypotension) underwent coronary or peripheral arterial diagnostic intravascular angiography or percutaneous intervention NAC/600 mg/po/bid/1 day prior to and after procedure (n = 1172) vs. Placebo (n = 1136)

↔ CIN

↔ Cr

Short-term NAC did not reduce the risk of CIN [94]
Randomized prospective study Patients with Cr ≥ 1.6 mg/dL or CrCl ≤ 60 mL/min underwent PCI treated with low-osmolality nonionic CM

NAC/600 mg/po/bid/1 day prior to and after procedure (n = 45) vs

Fenoldopam/0.1 µg/kg/min/IV/4 h prior to and 4 h after procedure (n = 38) vs

No NAC or fenoldopam (n = 40)

↔ CIN

↔ Cr changes at 24 and 48 h after procedure

Short-term NAC or fenoldopam did not prevent CIN in patients with CKD [95]
Prospective, double-blind, placebo-controlled, randomized clinical trial Age > 18 years with DM and Cr ≥ 1.5 mg/dL for men and ≥ 1.4 mg/dL for women underwent elective CAG treated with iohexol or iodixanol or diatrizoate meglumine NAC/600 mg/po/bid/24 h prior to and after procedure (n = 45) vs. Placebo (n = 45)

↔ CIN

↔ Cr changes at 48 after CAG

↔ BUN changes at 48 after CAG

↔ CrCl changes at 48 after CAG

Short-term NAC did not prevent CIN in patients with DM and CKD [96]
Prospective randomized-controlled trial Patients with Cr > 1.2 mg/dL or CrCl < 50 mL underwent elective CAG treated with iodixanol

NAC/600 mg/po/bid/1 day prior to and after CAG (n = 73)

No NAC (n = 106)

↔ CIN

↔ Cr changes at 48 h after CAG

Short-term NAC did not prevent CIN in patients with CKD [97]
Randomized-controlled trial Patients with Cr > 1.7 mg/dL underwent CAG treated with iohexol NAC/1200 mg/po/1 h prior to and 3 h after CAG (n = 38) vs. Placebo (n = 41)

↔ CIN

↔ Cr changes at 48 h after CAG

Short-term NAC did not prevent CIN after CAG [98]
Prospective, randomized clinical study Age ≥ 18 years with CrCl < 55 ml/min underwent elective coronary ± peripheral angiography treated with iodixanol NAC/600 mg/po/bid/1 day prior to and after procedure (n = 99) vs. Placebo (n = 101) ↔ CIN Short-term NAC did not prevent CIN [99]
Prospective, open-label, randomized, controlled trial Patients with Cr 1.69–4.52 mg/dL underwent elective CAG or PCI treated with iopromide NAC/400 mg/po/tid/1 day prior to and after procedure (n = 46) vs No NAC (n = 45)

↔ CIN

↔ Cr changes at 48 h after procedure

↔ eGFR changes at 48 h after procedure

Short-term NAC did not prevent CIN in patients with moderate to severe renal insufficiency undergoing CAG or PCI [100]
Multicenter, randomized, double-blind, placebo-controlled clinical trial Diabetic patients with Cr ≥ 106.08 µmol/L or CrCl < 50 mL/min underwent elective CAG or PCI treated with ioxaglate NAC/600 mg/po/bid/1 day prior to and after procedure (n = 77) vs. Placebo (n = 79)

↔ CIN

↔ Cr changes at 48 h after procedure

↔ CrCl changes at 48 h after procedure

Short-term NAC did not prevent CIN in patients undergoing cardiac catheterization [101]
Prospective, randomized, double-blind placebo-controlled trial Patients with Cr ≥ 1.5 mg/dL or CrCl < 50 mL/min underwent CAG treated with iopamidol NAC/600 mg/po/tid/24 h prior to and after procedure (n = 41) vs. Placebo (n = 39) ↔ CIN Short-term NAC did not prevent CIN in CKD patients undergoing CAG [102]
Prospective, randomized, double-blind, placebo-controlled trial Age ≥ 19 years with Cr > 1.2 mg/dL and CrCl < 50 mL/min underwent elective CAG ± PCI treated with iopamidol NAC/1,500 mg/po/1 day prior to and every 12 h after procedure for 4 doses (n = 49) vs. Placebo (n = 47)

↔ CIN

↔ Cr

↔ BUN

Short-term NAC did not prevent CIN in patients with CKD undergoing elective CAG [103]
Prospective, randomized, single-blinded, single-center clinical trial Age > 18 years with eGFR > 30 mL/min/1.73 m2 underwent elective CAG or PCI treated with iopromide

NAC/600 mg/po/bid/24 h prior to and after procedure (n = 157) vs

NaHCO3/1.5 mL/kg/h/IV/6 h prior to and 6 h after procedure (n = 159) vs. NAC/600 mg/po/bid/24 h prior to and after procedure + NaHCO3/1.5 mL/kg/h/IV/6 h prior to and 6 h after procedure (n = 150) vs

No NAC or NaHCO3 (n = 161)

↔ CIN NAC and NaHCO3 did not reduce incidence of CIN [104]
Single-center prospective controlled trial Patients with Cr > 1.2 mg/dL underwent CAG or PCI treated with ioxaglate

NAC/600 mg/po/bid/1 day prior to and after procedure (n = 88) vs

NaHCO3/1 mL/kg/h/IV/6 h prior to and 6 h after procedure (n = 88) vs

No NAC or NaHCO3 (n = 88)

↓ CIN (NaHCO3 > NAC > No NAC or NaHCO3)

↓ CrCl (NaHCO3 > NAC = No NAC or NaHCO3)

NaHCO3 protected CIN better than NAC and standard treatment [105]
Prospective randomized trial Patients with CrCl > 30 mL/min/1.73 m2 underwent CAG ± PCI treated with iopromide NAC/1200 mg/IV/12 h prior to and after procedure (n = 53) vs. Placebo (n = 51)

↔ CIN

↔ CrCl

Short-term IV NAC did not prevent CIN in patients with normal, mild and moderate CKD undergoing coronary procedure [109]
Single center, prospective, randomized study CAD with Cr ≥ 1.5 mg/dL ± CrCl < 60 mL/min) who underwent elective CAG treated with iomeprol

NAC/704 mg/po/bid/1 day prior to and up to 2 day after CAG (n = 7) vs

GSH/100 mg/min/IV/30 min prior to CAG (n = 7) vs

Control group (n = 7)

↔ CIN

↑ LOOHs at 2 h after CAG (control > NAC > GSH)

↓ serum GSH at 2 h after CAG (NAC > control > GSH)

GSH protected kidney against CM-induced oxidative stress more effectively than oral administration of NAC before CAG [106]
Randomized trial Age > 18 years underwent elective or emergent CAG

NaHCO3 (166 mEq/L)/3 mL/kg/h/IV/1 h prior to CAG + 1 mL/kg/h/IV/6 h after CAG (n = 50) vs

NaHCO3 (166 mEq/L)/3 ml/kg/h/IV/6 h prior to CAG + 1 mL/kg/h/IV/6 h after CAG (n = 50)

↑ Cr and ↓ eGFR 48 h post-intervention (short regimen)

↔ Cr and↔ eGFR 48 h post-intervention (long regimen)

↓ serum K

Long-term regimen of bicarbonate supplementation was more effective strategy to prevent CIN than short regimen [111]
Cross-sectional case–control study CAD with at least 1 risk factor for CIN (DM, advanced age, reduced GFR, anemia) undergoing CAG

Nebivolol/po/at least 1 mo (n = 45) vs

No nebivolol (n = 114)

↔ CIN

↔ Cr, eGFR, NGAL in both groups before and after CAG

↑ Cr and NGAL and ↓ eGFR in both groups compared to levels before CAG

Nebivolol did not prevent CIN in patients undergoing CAG [113]
Pilot study Patients with Cr > 2 mg/dL undergoing CAG treated with iomeprol MESNA/800 mg/IV/30 min prior to and up to 4 h after iomeprol (n = 12)

↓ CIN

↓ Cr at 48 h

MESNA prevented CIN in patients with renal impairment [112]

α-GST, α-glutathione S-transferase; BUN, blood urea nitrogen; CAD, coronary artery disease; CAG, coronary angiography; CHF, congestive heart failure; CIN, contrast-induced nephropathy; CKD, chronic kidney disease; CM, contrast media; Cr, creatinine; CrCl, creatinine clearance; CT, computed tomography; DM, diabetes mellitus; eGFR, estimated glomerular filtration rate; GFR, glomerular filtration rate; GSH, glutathione; IV, intravenously; LDL, low-density lipoprotein; LOOHs, lipid hydroperoxides; LVEF, left ventricular ejection fraction; MI, myocardial infarction; NAC, N-acetylcysteine; NGAL, neutrophil gelatinase-associated lipocalin; NO, nitric oxide; PCI, percutaneous coronary intervention; STEMI, ST-segment elevation myocardial infarction