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We list hundreds of Clinical Trials about "NASPI: N-Acetylcysteine vs. Ascorbic Acid for Prevention of Contrast Induced Nephropathy in Renal Insufficiency Undergoing Coronary Catheterization" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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The contrast induced nephropathy (CIN) has been known to be associated with significant clinical and economic consequences. Many studies were performed to find the pathophysiology and preventive measures for CIN. But the results were somewhat frustrating. Recently, it has been reported that the N-acetylcysteine and ascorbic acid might have preventive effects for CIN by their antioxidant effects.There have been no study to compare these two antioxidant.
To evaluate the benefit for statin use in prevention of of CI-AKI after computed tomography urogram (CTU).
The purpose of this study is to evaluate the efficacy of acetylcysteine compared to placebo for the contrast-induced nephropathy prevention, between 48 and 96 hours after procedures that use contrast. Contrast-induced nephropathy is defined as an increase of 25% in serum creatinine before the procedure.
Several studies demonstrated a significant reduction of contrast-induced nephropathy (CIN; definition: increase in serum creatinine of >=0.5mg/dl and/or >=25% increase within 48h after contrast-medium) by acetylcysteine (A) or theophylline (T). However, the results are contradictory. Therefore, it was the aim of our double-blind study to compare the effects of A, T, a combination of A and T (A+T), and placebo (P).
Background Prevention of contrast media (CM) induced nephropathy (CIN) by pharmacological prophylaxis (e.g. N–acetylcysteine; NAC) is controversially discussed. So far, in all interventional studies assessment of kidney function was based on measurements of serum creatinine although this surrogate biomarker has several limitations. We investigated the antioxidants NAC and zinc (Zn) for the prevention of CIN by monitoring concomitantly serum levels of creatinine and cystatin C...
The objective of this study is to assess the efficacy of sodium bicarbonate compared with sodium chloride and oral N-acetylcysteine (NAC ) pretreatment for prevention of contrast nephropathy in patients with advanced renal disease undergoing cardiac catheterisation.
In this randomized study the investigators wish to explore the role of pre-procedural statin therapy for the prevention of contrast induced nephropathy in patients with moderate-to-severe renal dysfunction, submitted to elective coronary or angioplasty.
This will be a randomized prospective dose escalation clinical study of N-acetylcysteine (NAC) in patients with stage 3 or worse renal failure (Glomerular Filtration Rate 30-60 ml/min calculated with the Modification of Diet in Renal Disease formula), undergoing a procedure or imaging that requires the administration of contrast media at Oregon Health & Science University or the Portland Veterans Hospital. Subjects will receive NAC 60 minutes prior to the procedure or imaging...
Multiple agents have been studied to prevent radiocontrast nephropathy after the administration of radiocontrast agents. One of these agents is N-acetylcysteine. Previous trials to assess the efficacy of n-acetylcystenine in the prevention of contrast nephropathy have been promising. Previous work in this field has limited applicability to the Emergency Department (ED) patient population for two reasons: 1. Many of the pretreatment strategies employed in these studi...
OBJECTIVE: To evaluate the efficacy of prevention of contrast induced nephropathy in patients with ST segment elevation myocardial infarction treated with primary percutaneous coronary intervention. DESIGN: Prospective study. SETTING: Three-center study Acute kidney injury was defined as a rise in creatinine >25% from baseline Serum creatinine will be measured at baseline and each day for the following 3 days and at 30 days. Patients will be randomised to: 1. S...
The study is analysis of the incidence of contrast-induced nephropathy (CIN) in patients with previously normal renal function undergoing angiography and comparison between the three different treatment protocols on renal function. Patients are randomly assigned to the three groups: 1) peroral hydration, 2) Na bicarbonate (NaHCO3), and 3) NaHCO3 plus N-acetylcysteine (NAC) infusion. Serum creatinine (SCr), blood urea nitrogen (BUN), and neutrophil gelatinase-associated ...
The purpose of this study is to demonstrate the efficacy of alpha tocopherol for prevention contrast-induced nephropathy in CKD patients undergoing elective coronary procedures.
Contrast media-induced nephropathy following diagnostic and therapeutic cardiac catheterization.
Biomarkers such as kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL) have been used for the early diagnosis of AKI, although with no definitive results. The investigators explored the association between plasma aging biomakers such as sklotho and contrast induced nephropathy in patients undergoing percutaneous coronary intervention (PCI) with contrast injection.
This study is to evaluate the efficacy of sodium bicarbonate plus N-acetylcysteine for the prevention of contrast-induced nephropathy.
This study is being proposed with the objective to assess the potential benefits of induced diuresis by furosemide with matched hydration therapy compared to standard hydration in the prevention of contrast-induced nephropathy (CIN). It is expected that matched hydration will prove to be as effective as hydration alone, will avoid an overnight stay prior to the procedure, and thus will prove to be a less costly and more clinically manageable solution to the prevention of CIN.
Millions of people receive radiographic contrast material for investigations like CT and coronary angiography. While considered safe in healthy patients, it can cause acute renal impairment. This is termed radiocontrast-induced nephropathy (RCIN) and is generally defined as an increase in serum creatinine over baseline of more than 25% or 0.5 mg/dL (44.2 μmol/l) within 48 hrs. RCIN occurs in less than 2% of patients with normal renal function but is more common in patients wit...
Patients with pre-existing kidney disease are at high risk of acute renal failure when exposed to radio-contrast dyes, for example during a cardiac angiogram. The investigators hypothesize that an infusion of saline + furosemide + mannitol will reduce rates of contrast-induced nephropathy when compared with saline infusion controls.
Patients with acute myocardial infarction undergoing primary angioplasty are at high risk for renal injury due to the toxic effect of contrast agents. Patients developing renal dysfunction after primary angioplasty have worse outcome. To investigate the role of the antioxidant N-acetylcysteine (NAC) in preventing renal injury in angioplasty, we randomized 352 consecutive patients undergoing primary angioplasty into three groups: the first group received NAC at standard dose (NA...
The investigators planned to research the effect of vitamin D supplementation on the incidence of contrast-induced nephropathy in patients undergoing coronary angiography.
There is a pressing need to find effective strategies for the prevention of contrast induced nephropathy in patients with advanced renal dysfunction. The current study was designed to assess the efficacy of a new protocol for preventing contrast induced nephropathy in patients with advanced renal dysfunction undergoing coronary interventions
Preliminary studies have shown a benefit of sodium bicarbonate infusion in decreasing the risk of contrast induced nephropathy with coronary angiography. The investigators plan to randomize 478 patients (with serum creatinine 1.5 mg/dl or greater) undergoing coronary angiography to intravenous isotonic saline or intravenous isotonic sodium bicarbonate beginning one hour before the procedure and for four hours after. The primary endpoint is the development of contrast nephropath...
This is a randomised controlled trial to investigate the efficacy of preventive regimen of hydration with high dose oral N-acetylcysteine and intravenous sodium bicarbonate pretreatment in patients with stable advanced renal insufficiency (CKD stage 3 and 4:GFR 15-60ml/min/1.73m2 calculated by Modification of Diet in Renal Disease Study equation (MDRD formula)) undergoing elective percutaneous coronary intervention (PCI).
Contrast-induced nephropathy (CIN), an acute kidney injury resulting from the administration of intravascular iodinated contrast media, is an important cause of morbidity/mortality following coronary angiographic procedures in high-risk patients. Despite preventative measures intended to mitigate the risk of CIN, there remains a need for an effective intervention. Dietary inorganic nitrate therapy, which through its chemical reduction in the body delivers nitric oxide has shown...
Contrast induced nephropathy is a rising cause of acute renal failure in all patients. A study published in JAMA 2004, show a superiority of a hydratation with sodium bicarbonate in comparison with the same volume hydratation with sodium bicarbonate. The investigators will try following the original protocol making 2 randomized groups of patients, with cancer diagnosis, >18 years old, with a GFR 30 ml/min/1,73m2 by MDRD formula and/or diabetic patients. In the group 1 the patie...