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Prophylaxis With Ganciclovir Improves Graft Survival in Renal Allograft Recipients

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ClinicalTrials.gov Identifier: NCT00373165
Recruitment Status : Completed
First Posted : September 7, 2006
Last Update Posted : September 13, 2006
Sponsor:
Information provided by:
Lower Saxony Center for Nephrology

Brief Summary:

Study Phase: IV

Study Type: Open-label, multicenter, randomised clinical trial with two arms stratified for an intensified immunosuppressive regimen in patients at high risk for acute rejection.

Study Description: 148 kidney transplant recipients at risk for CMV disease were randomized and treated with ganciclovir capsules for 3 months (Group A, prophylaxis, N=74) or received ganciclovir IV only in case of proven CMV viral load (Group B, preemptive therapy, N=74). Initially, a 2 months follow up was planned in this trial. However, the study group decided to offer a longterm follow up to all patients and amended the protocol, respectively.

The aim of the study was to identify the most efficacious way to prevent renal transplant recipients from CMV disease and to find out, if one of these two strategies may increase graft or patient survival. Therefore, both wellknown approaches of CMV prevention were compared in two study groups:

Prophylaxis (Group A): Oral primary prophylaxis with ganciclovir capsules was started directly after transplantation and performed until day 90. In case of CMV infection (proven CMV viral load) or symptomatic CMV disease, treatment with ganciclovir IV was initiated.

Preemptive Therapy (Group B): No oral primary prophylaxis was given. Treatment with ganciclovir IV was given to patients with proven CMV viral load (CMV infection or CMV disease) only.


Condition or disease Intervention/treatment Phase
DNA Virus Infection Herpesviridae Infections Cytomegalovirus Infection Drug: Ganciclovir Phase 4

Detailed Description:

Disease Background: More than 60 % of adult people are asymptomatically infected with cytomegalovirus (CMV). Due to immunosuppressive therapy, renal graft recipients are at risk for CMV infection and life-threatening disease. CMV can cause a variety of symptoms in the immunocompromised host, including CMV retinitis, pneumonia or colitis. After grafting, CMV disease most commonly occurs in the transplanted organ and can trigger graft dysfunction and acute rejection. Therefore, prophylaxis or preemptive therapy should be used in order to prevent graft recipients from CMV disease.

  • CMV prophylaxis means the administration of antiviral agents to all patients at risk for CMV disease, directly after transplantation, i.e. for 3 months. Prophylaxis is in particular used for patients at high risk for CMV disease.
  • CMV preemptive therapy (or targeted prophylaxis) means CMV monitoring and initiation of induction therapy with antiviral agents in patients with proven CMV viral load only (CMV infection). This prevents non-infected patients from being exposed to antiviral drugs and the related side effects like neutropenia or renal toxicity. Preemptive therapy is in particular used for patients at lower or moderate risk for CMV disease.

Study Description: 148 kidney transplant recipients at risk for CMV disease were randomized and treated with ganciclovir capsules for 3 months (Group A, prophylaxis, N=74) or received ganciclovir IV only in case of proven CMV viral load (Group B, preemptive therapy, N=74). Initially, a 2 months follow up was planned in this trial. However, the study group decided to offer a longterm follow up to all patients and amended the protocol, respectively.

The aim of the study was to identify the most efficacious way to prevent renal transplant recipients from CMV disease and to find out, if one of these two strategies may increase graft or patient survival. Therefore, both wellknown approaches of CMV prevention were compared in two study groups:

Prophylaxis (Group A): Oral primary prophylaxis with ganciclovir capsules was started directly after transplantation and performed until day 90. In case of CMV infection (proven CMV viral load) or symptomatic CMV disease, treatment with ganciclovir IV was initiated.

Preemptive Therapy (Group B): No oral primary prophylaxis was given. Treatment with ganciclovir IV was given to patients with proven CMV viral load (CMV infection or CMV disease) only.


Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 150 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Prevention
Official Title: Open, Randomised Study Comparing Preemptive Therapy With Intravenous Ganciclovir With and Without Additional Oral Ganciclovir for CMV Prophylaxis in Immunosuppressed Renal Transplant Patients Receiving Monitoring of CMV Viral Load
Study Start Date : August 2000
Estimated Study Completion Date : October 2003





Primary Outcome Measures :
  1. The impact of CMV infection on graft function, incidence of CMV infection and creatinine clearance in both study groups at month 12. long-term graft and patient survival. Neutrophil counts and creatinine clearance were measured on a regular basis.


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Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Kidney transplant recipients after living or postmortal donation
  • CMV seropositive donor or recipient of the kidney transplant: D+/R-, D+/R+ or D-/R+
  • Laboratory parameters: 50.000/ml thrombocytes and/or 1000/ml neutrophils
  • Immunosuppression including MMF

Main Exclusion Criteria:

  • Woman who are pregnant, breastfeeding or using unreliable birth control methods
  • Forbidden concomitant medications during the 12 month observation period of the study are:
  • Virustatic drugs, active against CMV: Foscarnet, Cidofovir (HPMPC), Acyclovir, Valaciclovir, Famciclovir/Penciclovir, Lobucavir, Antisense compound
  • Antimetabolites: Fluorouracil, Mercaptopurine, Methotrexate, Thioguanine, Hydroxurea
  • Alkylating substances: Busulfan, Carmustine, Chlorambucil, Cisplatin, Cyclophosphamide, Dacarbazine (DTIC), Lomustine, Mechlormethamine, Melphalan, Streptozotocin, Tiothepa, Uracil mustard
  • anti CMV immunoglobulins (except in the case of signs of CMV infection) such as anti CMV hyperimmunoglobulins and immunoglobulins
  • Known hypersensitivity to ganciclovir
  • Patients with active CMV infection or positive viraemia at randomization
  • Severe gastro-intestinal diseases which may interfere with the oral resorption of ganciclovir
  • Conversion of immunosuppression (Replacement of MMF)
  • Participation in another clinical drug trial

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00373165


Sponsors and Collaborators
Lower Saxony Center for Nephrology
Investigators
Study Chair: Volker Kliem, MD Lower Saxony Center for Nephrology, Transplantation Center, Department of Nephrology

ClinicalTrials.gov Identifier: NCT00373165     History of Changes
Other Study ID Numbers: ML19827
First Posted: September 7, 2006    Key Record Dates
Last Update Posted: September 13, 2006
Last Verified: September 2006

Keywords provided by Lower Saxony Center for Nephrology:
Renal Transplantation
CMV
Ganciclovir
Prophylaxis
Preemptive Therapy
Graft Survival
Proteomics

Additional relevant MeSH terms:
Infection
Communicable Diseases
Virus Diseases
Cytomegalovirus Infections
DNA Virus Infections
Herpesviridae Infections
Ganciclovir
Ganciclovir triphosphate
Antiviral Agents
Anti-Infective Agents
Nucleic Acid Synthesis Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action