- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03954275
Detailed Assessment of Augmented Renal Clearance in a Large Mixed Intensive Care Unit Population
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Augmented renal clearance will be assessed in detail in a very large and heterogeneous adult critically ill population. Analysis will be conducted retrospectively on a multi-center database collected by the M@tric research group. M@tric collects data from all intensive care units (surgical, medical, cardiac) in 3 Belgian University Hospitals (Leuven, Ghent, Antwerp).
Anonymised admission, demographic, clinical and laboratory data collected from 2013 until the present will be retrieved from the M@tric database. These data will then be coded and analysed in R statistical software. ARC will be defined based on a 24h creatinine clearance (CrCl24h) >=130ml/min/1.73m².
Epidemiology and risk factors for ARC will be studied in order to confirm and clarify past studies which have mostly been done in rather small and specific subsets of patients. A predictive algorithm for ARC will be trained and subsequently validated for use in clinical practice. Moreover this algorithm will be compared to existing scoring systems, which have not yet found their way into clinical practice. This algorithm will provide the ability to anticipate ARC on the intensive care unit. Also use of formulae estimating renal function will be evaluated in this population. These estimators will be compared to the CrCl24h, which is considered the golden standard in clinical practice. A cutoff for the best estimating formula in order to detect ARC will be calculated. Finally the impact of ARC on serum levels of hydrophilic molecules likes vancomycine and aminoglycosides will be studied. As this research follows a retrospective design these levels will be used a surrogate marker for clinical impact. This will potentially point out some opportunities for future research on the clinical impact of ARC.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Matthias Gijsen, PharmD
- Phone Number: 0032 16 340087
- Email: matthias.gijsen@uzleuven.be
Study Contact Backup
- Name: Isabel Spriet, PhD
- Phone Number: 0032 16 341262
- Email: isabel.spriet@uzleuven.be
Study Locations
-
-
-
Leuven, Belgium, 3000
- Recruiting
- UZLeuven
-
Contact:
- Matthias Gijsen, PharmD
-
Contact:
- Isabel Spriet, PharmD PhD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Having at least one 24h creatinine clearance measurement available
Exclusion Criteria:
- Any form of renal replacement therapy
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Critically ill patients with a CrCl24h
Patients admitted to any intensive care unit (surgical, medical or cardiac) and having at least one 24h creatinine clearance measurement available.
|
no intervention
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
ARC incidence per day
Time Frame: Retrospective analysis between January 2013 and December 2015
|
Incidence of ARC per 100 ICU days
|
Retrospective analysis between January 2013 and December 2015
|
ARC incidence per admission
Time Frame: Retrospective analysis between January 2013 and December 2015
|
Incidence of ARC in % of ICU admissions: with ARC incidence defined as at least once, min.
50% of the measurements, 100% of the measurements during ICU admission)
|
Retrospective analysis between January 2013 and December 2015
|
Duration and course of ARC episodes
Time Frame: Retrospective analysis between January 2013 and December 2015
|
ARC episodes: number of episodes (count), length of the episodes (days) and both combined to obtain relative contribution to ARC as a % ((count*length)/total ARC days)
|
Retrospective analysis between January 2013 and December 2015
|
ARC daily prevalence
Time Frame: Retrospective analysis between January 2013 and December 2015
|
Daily prevalence of ARC (% of ARC days per ICU admission day)
|
Retrospective analysis between January 2013 and December 2015
|
Logistic regression with ARC as dependent variable
Time Frame: Retrospective analysis between January 2013 and December 2015
|
Risk factors associated with ARC will be identified through logistic regression analysis on demographic and clinical data.
|
Retrospective analysis between January 2013 and December 2015
|
Predictive algorithm for ARC
Time Frame: Retrospective analysis between January 2013 and December 2015
|
An algorithm predicting ARC on the next day(s) will be created using a backward selection logistic regression model on the risk factors associated with ARC detected in this study and/or in previously published studies.
|
Retrospective analysis between January 2013 and December 2015
|
Most precise formula using Bland-Altman agreement analysis
Time Frame: Retrospective analysis between January 2013 and December 2015
|
Bland-Altman agreement analysis between CrCl24h and 3 commonly used serum creatinine based formulae estimating renal function (CKD-EPI, C&G, MDRD) will be used to identify the formula with the best precision (SD of the bias).
|
Retrospective analysis between January 2013 and December 2015
|
Performance of the best cutoff for ARC using ROC curve analysis
Time Frame: Retrospective analysis between January 2013 and December 2015
|
Performance of the best cutoff for ARC using ROC curve analysis on the most precise formula estimating renal function.
|
Retrospective analysis between January 2013 and December 2015
|
Exploration of clinical impact of ARC via surrogate markers
Time Frame: Retrospective analysis between January 2013 and December 2015
|
Vancomycin and aminoglycoside (amikacin & gentamycin) serum concentrations will be used as surrogate markers to evaluate potential clinical impact of ARC.
|
Retrospective analysis between January 2013 and December 2015
|
Collaborators and Investigators
Investigators
- Study Director: Isabel Spriet, PhD, Universitaire Ziekenhuizen KU Leuven
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- S61364
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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