Kinetics of Response of Cytomegalovirus With Ganciclovir Treatment Using Quantitative Real-Time PCR

June 23, 2005 updated by: National Center for Research Resources (NCRR)
The overall purpose of this research is to develop and use a blood test to better understand how quickly the viral drug ganciclovir works to clear infection with the CMV virus (Cytomegalovirus) when it occurs. This test will potentially let doctors know early in the course of therapy when a virus is not responding well to the therapy and could therefore be resistant to the drug. The target population of this study will be primarily kidney and lung transplant patients with CMV detected in the blood, although other patients may also be included if they meet criteria. The study will be divided into two phases. Phase I will evaluate a small number of exploratory patients initiating ganciclovir therapy and will require frequent blood sampling to obtain detailed information regarding the kinetic response of the virus to therapy. This information will be analyzed to help guide decisions regarding the number and frequency of blood samples needed in the larger phase II portion of the study. Strains will be characterized using phenotypic and genotypic methods to determine the presence or absence of mutations potentially responsible for the resistance.

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Study Type

Interventional

Phase

  • Not Applicable

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

  • United States
    • Missouri
      • St. Louis, Missouri, United States, 63110
        • Infectious Diseases Division

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

Description

Inclusion Criteria:

  • Patients affiliated with Barnes-Jewish Hospital with CMV blood infection requiring antiviral therapy
  • All patients will have a positive qualitative CMV PCR or viral culture before starting therapy
  • Patients will receive treatment with ganciclovir at a dose and duration to be determined by the provider
  • It is anticipated that most subjects will be organ transplant recipients but this is not a requirement of the study

Exclusion Criteria:

  • Critically ill patients
  • Patients with profound leukopenia or abnormal renal function that make a change in the antiviral drug dosage likely during the duration of the study
  • Anemia (HGB < 8 g/dl) that would contraindicate the extra blood draws required by this study
  • Problems with vascular access that would interfere with obtaining blood samples required by this study
  • Residence outside of the St. Louis metropolitan area during the period of ganciclovir therapy
  • Patients who are unable to provide informed consent because of diminished capacity related to illness, dementia, or other reasons

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

  • Primary Purpose: Diagnostic

Collaborators and Investigators

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

Sponsor

National Center for Research Resources (NCRR)

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 Registration Dates

First Submitted

February 18, 2000

First Submitted That Met QC Criteria

February 18, 2000

First Posted (Estimate)

February 21, 2000

Study Record Updates

Last Update Posted (Estimate)

June 24, 2005

Last Update Submitted That Met QC Criteria

June 23, 2005

Last Verified

November 1, 2001

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • NCRR-M01RR00036-0728
  • M01RR000036 (U.S. NIH Grant/Contract)

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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