Monitoring Cellular Immunity After Kidney and Liver Transplantation

February 4, 2009 updated by: Karolinska University Hospital
After transplantation, if insufficient immunosuppression is achieved, rejection and graft loss follows. If to much immunosuppression is given, the patient suffers risk for infections and malignancies. Despite careful dosing and monitoring of drug levels, the biological effects of the immunosuppression given is difficult to predict and varies significantly. As a result, the degree of immunosuppression (or immunosuppressive status) remains unknown and clinical problems related to under- or over-immunosuppression are common. Thus, a method to determine the degree of immunosuppression would be of great and direct clinical importance and the results would be improved. T cells are the principal cells of the immunesystem causing rejection. Furthermore, all immunosuppressive regimes targets T cells. Thus, T cell reactivity could reflect the biological effects of the immunosuppression and the immunosuppressive status. In addition, T cells are of crucial importance in the immunedefence against viral diseases. Therefore, data on virus specific T cell reactivity could aid in diagnosis, monitoring and treatment of viral disease. The proposed study aim to develop a clinically useful method to monitor cellular immunity and the degree of immunosuppression after transplantation by determinations of the specific T cell reactivity to several clinically relevant viruses.

Study Overview

Status

Unknown

Conditions

Study Type

Observational

Enrollment (Anticipated)

100

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

  • Sweden
      • Stockholm, Sweden, 14186
        • Lars Wennberg

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

All patients undergoing kidney or liver transplantation at the Karolinska University Hospital

Description

Inclusion Criteria:

  • All patients undergoing kidney or liver transplantation at the Karolinska University Hospital

Exclusion Criteria:

  • Abscence of informed 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

Cohorts and Interventions

Group / Cohort
Kidney transplant
Liver transplant

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
T cell reactivity to viral antigens
Time Frame: Pre-transplantation and 2 weeks, 1, 3, 6 and 12 months after transplantation
Pre-transplantation and 2 weeks, 1, 3, 6 and 12 months after transplantation

Collaborators and Investigators

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

Sponsor

Karolinska University Hospital

Collaborators

Uppsala University Hospital

Investigators

  • Study Director: Gunnar Tyden, MD, PhD, Karolinska University Hospital

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

March 1, 2007

Primary Completion (Anticipated)

March 1, 2009

Study Completion (Anticipated)

March 1, 2009

Study Registration Dates

First Submitted

May 21, 2008

First Submitted That Met QC Criteria

May 21, 2008

First Posted (Estimate)

May 23, 2008

Study Record Updates

Last Update Posted (Estimate)

February 5, 2009

Last Update Submitted That Met QC Criteria

February 4, 2009

Last Verified

February 1, 2009

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • T cell study

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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