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NCT ID: NCT02489669 Enrolling by invitation - Clinical trials for Contrast Nephropathy

Renal Insufficiency Following Contrast Media Administration Trial III

REMEDIALIII
Start date: July 15, 2015
Phase: N/A
Study type: Interventional

The urine flow rate (UFR)-guided and the left-ventricular end-diastolic pressure (LVEDP)-guided hydration regimens have been proposed to prevent contrast-induced acute kidney injury (CI-AKI). The REnal Insufficiency Following Contrast MEDIA Administration TriaL III (REMEDIAL III) trial is a randomized, multicenter, investigator-sponsored trial aiming to compare these 2 hydration strategies in high risk patients. Patients with estimated glomerular filtration rate <45 ml/min/1.73 m2 and/or a high risk for CI-AKI (as defined according to both Mehran's score ≥11 and/or Gurm's score >7) will be enrolled. Patients will be divided in high (>12 mm Hg) and normal LVEDP, non-invasively estimated by transmitral flow velocity to annular velocity ratio (E/E' index). Patients in each group will be randomly assigned to 1) LVEDP-guided hydration with normal saline (LVEDP-guided group). The fluid infusion rate will be adjusted according to the LVEDP as follows: 5 mL/kg/hr for LVEDP <12 mmHg; 3 mL/kg/hr for 13-18 mmHg; and 1.5 mL/kg/hr for >18 mmHg. 2) UFR-rate guided hydration (RenalGuard group). In this group, hydration with normal saline plus low-dose of furosemide is controlled by the RenalGuard system, in order to reach and maintain a high (>300 mL/h) UFR. In all cases iobitridol (an low-osmolar, non ionic contrast agent) will be administered. The primary endpoint is the composite of CI-AKI (i.e., serum creatinine increase ≥ 25% and ≥ 0.5 mg/dl from the baseline value at 48 hours after contrast media exposure) and/or acute pulmonary edema.