SPME For Metabolomics And Concomitant Measurements Of Rocuronium Bromide Levels In Liver Transplantation

April 23, 2015 updated by: University Health Network, Toronto

The Use Of Solid Phase Micro Extraction For Metabolomic Profiling And Concomitant Measurements Of Rocuronium Bromide Levels In Recipients Of Orthotopic Liver Transplantations

Standard anesthetic management of liver transplantation patients includes a general anesthetic using multiple drugs, including the neuromuscular relaxant rocuronium. Pharmacokinetic modelling of this agent has been poorly described during liver transplantation, which impacts on appropriate dosing of this agent within this population where plasma concentrations can vary with fluid shifts and hepatic drug metabolism during the various phases of liver transplantation. Plasma drug and drug metabolite concentrations will be measured using the technique of solid phase micro-extraction (SPME). Measuring and correlating the levels of rocuronium and other liver metabolites with the degree of post transplantation hepatic dysfunction may serve as a simple and cost-effective marker to aid diagnosis, identify those at risk of hepatic dysfunction and potentially grade the severity

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

28

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Canada
    • Ontario
      • Toronto, Ontario, Canada
        • Toronto General Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients receiving liver transplants at University Health Network, Toronto General Hospital.

Description

Inclusion Criteria:

  • First time liver transplant recipients above 18 years of age
  • Elective cadaveric or living donor liver transplant patients will be recruited

Exclusion Criteria:

  • All patients under 18 years of age
  • Unable to give consent

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Cohort
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Liver transplant recipient
Drug: Rocuronium
After insertion of the new liver and restoration of portal venous flow, 0.6 mg kg-1 rocuronium will be administered
Other Names:
  • Zemuron
  • Esmeron

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Plasma drug and drug metabolite concentrations
Time Frame: 5, 30, 60, 90, 120, 180, 240, 300, 450 mins
All liver transplant recipients in this study will receive standard level of care including general anesthesia and the use of invasive arterial and central line monitoring. On induction, patients will receive the neuromuscular relaxant cisatracurium at 0.1 mg kg-1. After insertion of the new liver and restoration of portal venous flow, 0.6 mg kg-1 rocuronium will be administered. If further muscle relaxation is required, cistaracurium will be administered. Collection of 5ml blood samples will be performed at: 5, 30, 60, 90, 120, 180, 240, 300, 450 mins post bolus administration.
5, 30, 60, 90, 120, 180, 240, 300, 450 mins

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University Health Network, Toronto

Collaborators

University of Waterloo

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2011

Primary Completion (Actual)

April 1, 2014

Study Completion (Actual)

April 1, 2015

Study Registration Dates

First Submitted

July 26, 2011

First Submitted That Met QC Criteria

July 27, 2011

First Posted (Estimate)

July 28, 2011

Study Record Updates

Last Update Posted (Estimate)

April 24, 2015

Last Update Submitted That Met QC Criteria

April 23, 2015

Last Verified

April 1, 2015

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • UHN REB 11-0325-BE

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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