Actively Recruiting

Age: 18Years - 85Years
All Genders
ID07410624

Augmented Renal Clearance in Neurocritical Care Population: A Prospective Multicenter Study

Led by University of Alberta · Updated on 2026-02-18

512

Participants Needed

3

Research Sites

N/A

Total Duration

On this page

Sponsors

U

University of Alberta

Lead Sponsor

U

University of Kentucky

Collaborating Sponsor

AI-Summary

What this Trial Is About

Stroke, severe brain injury, status epilepticus, and meningitis are serious neurological illnesses that often lead to seizures and infections, causing poor patient outcomes if not treated properly. This research focuses on a condition called augmented renal clearance (ARC), where kidney function is enhanced, affecting how medications are cleared from the body. The study aims to better understand ARC in patients with life-threatening neurological illnesses to improve medication dosing and treatment success. The study is a multicenter prospective observational design involving adult patients admitted to Neuroscience Intensive Care Units with severe neurological conditions like intracerebral hemorrhage, subarachnoid hemorrhage, ischemic stroke, status epilepticus, meningitis, and traumatic brain injury. Participants will have their kidney function measured daily through urine collection for up to 10 days or until ICU discharge. Blood samples will be collected from patients receiving certain anti-seizure and antibiotic medications to measure drug levels and suggest dose adjustments for those with ARC. During the study, researchers will collect urine and blood samples to detect ARC and its contributing factors. They will track kidney clearance and drug concentrations during hospital stays. The primary measures include creatinine clearance over 10 days or until ICU discharge and drug concentration after consistent dosing. This work aims to provide guidelines for identifying ARC and optimizing medication dosing to improve outcomes for patients with critical neurological illnesses.

CONDITIONS

Brief Title

Augmented Renal Clearance in Neurocritical Care

Who Can Participate

Age: 18Years - 85Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age 18 to 85 years
  • Admitted to an intensive care unit at a participating site
  • Diagnosed with subarachnoid hemorrhage, traumatic brain injury, intracerebral hemorrhage, meningitis, status epilepticus, or ischemic stroke
  • Provided informed consent
  • Foley catheter in place at time of consent to facilitate urine collection
Not Eligible

You will not qualify if you...

  • Currently incarcerated
  • Expected intensive care unit stay is less than 72 hours due to insufficient monitoring time

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

Monitoring

Duration - Up to 10 days or until ICU discharge

Participants are monitored daily for up to 10 days or until discharge from the intensive care unit with urine collection to measure creatinine clearance and blood sampling to determine drug concentrations.

Daily visits for urine collection and blood sampling

Trial Site Locations

Total: 3 locations

1

UK HealthCare

Lexington, Kentucky, United States, 40536

Actively Recruiting

2

The Ohio State University Wexner Medical Center

Columbus, Ohio, United States, 43210

Actively Recruiting

3

University of Alberta Hospital

Edmonton, Alberta, Canada, T6G 2X8

Actively Recruiting

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Research Team

S

Sherif H Mahmoud, BSc (Pharm), MSc, PhD, FNCS

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

1

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Published Research Related To This Trial

Augmented renal clearance in the ICU: results of a multicenter observational study of renal function in critically ill patients with normal plasma creatinine concentrations*.

Andrew A Udy, João P Baptista, Noelle L Lim...

https://pubmed.ncbi.nlm.nih.gov/24201175

Can two-, four- or eight-hour urine collections after voluntary voiding be used instead of twenty-four-hour collections for the estimation of creatinine clearance in healthy subjects?

S L Markantonis, E Agathokleous-Kioupaki

https://pubmed.ncbi.nlm.nih.gov/9972527

The importance of empiric antibiotic dosing in critically ill trauma patients: Are we under-dosing based on augmented renal clearance and inaccurate renal clearance estimates?

Jeffrey F Barletta, Alicia J Mangram, Marilyn Byrne...

https://pubmed.ncbi.nlm.nih.gov/27533906

A comparison of estimates of glomerular filtration in critically ill patients with augmented renal clearance.

João Pedro Baptista, Andrew A Udy, Eduardo Sousa...

https://pubmed.ncbi.nlm.nih.gov/21651804

Antibacterial therapeutic drug monitoring in cerebrospinal fluid: difficulty in achieving adequate drug concentrations.

Dagan O Lonsdale, Andrew A Udy, Jason A Roberts...

https://pubmed.ncbi.nlm.nih.gov/23121433

Meropenem and piperacillin/tazobactam prescribing in critically ill patients: does augmented renal clearance affect pharmacokinetic/pharmacodynamic target attainment when extended infusions are used?

Mieke Carlier, Sofie Carrette, Jason A Roberts...

https://pubmed.ncbi.nlm.nih.gov/23642005

DALI: defining antibiotic levels in intensive care unit patients: are current β-lactam antibiotic doses sufficient for critically ill patients?

Jason A Roberts, Sanjoy K Paul, Murat Akova...

https://pubmed.ncbi.nlm.nih.gov/24429437

Association between augmented renal clearance and clinical failure of antibiotic treatment in brain-injured patients with ventilator-acquired pneumonia: A preliminary study.

Cédric Carrie, Merry Bentejac, Vincent Cottenceau...

https://pubmed.ncbi.nlm.nih.gov/28756331