Ignite Creation Date:
2025-12-25 @ 2:50 AM
Ignite Modification Date:
2026-01-03 @ 5:00 AM
Study NCT ID:
NCT03675633
Status:
UNKNOWN
Last Update Posted:
2021-02-24
First Post:
2018-09-15
Is NOT Gene Therapy:
True
Has Adverse Events:
False
Brief Title:
Fractional Excretion of Urea for the Differential Diagnosis of Acute Kidney Injury in Liver Cirrhosis
Sponsor:
Assiut University
Organization:
Study Overview
Official Title:
Fractional Excretion of Urea: an Excellent Simple Tool for the Differential Diagnosis of Acute Kidney Injury in Liver Cirrhosis
Status:
UNKNOWN
Status Verified Date:
2021-02
Last Known Status:
NOT_YET_RECRUITING
Delayed Posting:
No
If Stopped, Why?:
Not Stopped
Has Expanded Access:
False
If Expanded Access, NCT#:
N/A
Has Expanded Access, NCT# Status:
N/A
Acronym:
None
Brief Summary:
The aim of this study is to evaluate the diagnostic performance of FEUrea for the differential diagnosis of AKI in patients with cirrhosis and ascites Specifically, the ability of FEUrea to distinguish between ATN versus Pre renal azotemia and HRS.
Detailed Description:
AKI according to KDIGO guidelines is defined as the followings:
* An increase in serum creatinine by ≥0.3 mg/dl (≥26.5 µmol/l) within 48 h
* An increase in serum creatinine to ≥1.5 times baseline within the previous 7 days
* Urine volume ≤0.5 ml/kg/h for 6 h Serum creatinine overestimates renal function in cirrhotic patients due to a number of factors: Creatinine production in patients with cirrhosis is reduced due to muscle wasting, there is an increased secretion of creatinine in the renal tubules, sCr may be diluted due to an increased volume of distribution, and finally, high bilirubin levels may interfere with the assays to measure its level. Recently, the International Club of Ascites (ICA) has adopted the concept of AKI which was developed originally to be used in general critically-ill patients. AKI is defined as the increase of at least 0.3 mg/dL (26 μmol/L) and/or ≥ 50% from baseline, within 48 hours Since urea absorption is largely modulated in the proximal tubules, it is not affected by diuretics acting more distally. The investigators therefore hypothesized that the fractional excretion of urea (FEUrea) could serve as a clinical aid in making an early distinction between ATN versus Pre renal azotemia and HRS type 1 in patients with cirrhosis and ascites presenting with AKI Fractional excretion of urea (FEUrea) (\[urine urea nitrogen/ blood urea nitrogen)/(urine creatinine/plasma creatinine)\] X 100) \< 35% is specific for prerenal azotemia, and \> 50% is specific for ATN
* An increase in serum creatinine by ≥0.3 mg/dl (≥26.5 µmol/l) within 48 h
* An increase in serum creatinine to ≥1.5 times baseline within the previous 7 days
* Urine volume ≤0.5 ml/kg/h for 6 h Serum creatinine overestimates renal function in cirrhotic patients due to a number of factors: Creatinine production in patients with cirrhosis is reduced due to muscle wasting, there is an increased secretion of creatinine in the renal tubules, sCr may be diluted due to an increased volume of distribution, and finally, high bilirubin levels may interfere with the assays to measure its level. Recently, the International Club of Ascites (ICA) has adopted the concept of AKI which was developed originally to be used in general critically-ill patients. AKI is defined as the increase of at least 0.3 mg/dL (26 μmol/L) and/or ≥ 50% from baseline, within 48 hours Since urea absorption is largely modulated in the proximal tubules, it is not affected by diuretics acting more distally. The investigators therefore hypothesized that the fractional excretion of urea (FEUrea) could serve as a clinical aid in making an early distinction between ATN versus Pre renal azotemia and HRS type 1 in patients with cirrhosis and ascites presenting with AKI Fractional excretion of urea (FEUrea) (\[urine urea nitrogen/ blood urea nitrogen)/(urine creatinine/plasma creatinine)\] X 100) \< 35% is specific for prerenal azotemia, and \> 50% is specific for ATN
Study Oversight
Has Oversight DMC:
None
Is a FDA Regulated Drug?:
False
Is a FDA Regulated Device?:
False
Is an Unapproved Device?:
None
Is a PPSD?:
None
Is a US Export?:
None
Is an FDA AA801 Violation?: