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Acute Kidney Injury Genomics and Biomarkers in TAVR Study

Stroke Clinical Trial

Official title:
Genomic and Biomarker Predictors of Acute Kidney Injury and Other Post-Procedural Outcomes Following Transcatheter Aortic Valve Replacement

Clinical Trial Summary

In the last decade, transcatheter aortic valve replacement (TAVR) has become an increasingly utilized alternative procedure for replacing a stenotic aortic valve. This study collects clinical information, DNA, blood and urine samples (throughout procedural hospitalization) in order to investigate the incidence of acute kidney injury (AKI) in patients undergoing TAVR and to identify key clinical and procedural predictors of AKI. This study seeks to identify blood and urine biomarkers that can be used for early detection of AKI around the time of the procedure. The study seeks to assess for novel genetic variants associated with development of AKI after TAVR. Finally the study seeks to assess for novel genetic variants and biomarkers that are associated with adverse cardiovascular events after TAVR and to further explore how these events may inter-relate with acute kidney injury.

Clinical Trial Description

This study enrolls patients who have aortic stenosis who undergo TAVR at the University of Texas Southwestern Medical Center University Hospital. Development of post-TAVR AKI defined according to the Kidney Disease: Improving Global Outcomes (KDIGO) SCr based criteria will be ascertained. Patients will be followed during primary hospitalization and during the 5 years following TAVR for adverse kidney outcomes as well as potentially related adverse cardiovascular outcomes. Clinical and procedural data is collected for each study patient. All subjects will have paired blood and urine collection done pre-TAVR, 6 hours after aortic valve prosthesis deployment, and on post-procedure days 1 and 2. Subjects who develop AKI will also have paired blood and urine samples collected on days 3, 4 and 5. Patients receive follow-up questionnaires by mail or email asking about hospitalizations as well as visits to cardiology, nephrology and primary care physicians. Questionnaires will also ask about health-related quality of life using validated study questionnaires. Patient follow-up will occur at regular intervals until 5 years after TAVR procedure. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02791880
Study type Observational
Source University of Texas Southwestern Medical Center
Contact
Status Active, not recruiting
Phase
Start date October 25, 2016
Completion date March 31, 2031
View Details
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