NCT04278547

Multicenter Clinical Trial to Evaluate the Efficacy of a Preventive Strategy Against CMV Infection in Heart Transplant Patients, Based on the Specific T Cells Response

Phase IV Clinical Trial, Open, Randomized, Controlled and Multicentric, With Two Parallel Groups, to Assess the Efficacy of a Preventive Strategy Against Cytomegalovirus Infection in Heart Transplant Patients, Based on the Specific Basal T Cell Response Against Cytomegalovirus: ELISPOT-TC

• Status: Unknown
• Phase: Phase 4
• Study type: Interventional
• Enrollment: 188 (estimated)
• Sponsor: Hospital Universitari de Bellvitge · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

This study evaluates the efficacy and safety of an individualized preventive strategy against CMV infection in CMV seropositive heart transplant patients based on the specific basal response of the lymphocytes againts CMV (ELISPOT Interferon-γ assay). In two thirds of the patients a preventive strategy will be carried out based on the result of the ELISPOT IFN-γ assay and in one third of the patients the standard of care strategy will be carried out (universal prophylaxis).

Detailed description

Background: The prevention of Cytomegalovirus (CMV) infection in cardiac transplant patients is currently based exclusively on the performance of the serotypes of the receptor and the donor. Despite prophylactic treatment with valganciclovir or preemptive therapy through serial monitoring of blood viral copies, the rate of infection or CMV disease remains high and has a negative clinical impact. The evaluation of the specific T lymphocytes cellular immune response against 2 CMV antigens prior to kidney transplantaction, using the ELISPOT IFN-γ assay discriminates in a better way which patients will develop CMV infection. Objetives: To compare the cumulative incidence of CMV infection during the first year post-heart transplant amongst CMV seropositive recipients in 12 national centers, where the prophylactic strategy regarding CMV infection will be guided by the ELISPOT IFN-γ assay or not (control). Main variable: number of patients who have CMV infection in the first year post-trasplant (HT). Hyphotesis: A preventive strategy against CMV infection in CMV seropositive heart transplant patients, based on the specific basal response of the T lymphocytes against CMV, ELISPOT IFN-γ assay, is effective, safe and not inferior than the control group in terms of infection CMV rates. Design: The investigators propose a phase IV clinical trial (with authorized treatment), randomized (2:1), controlled, open label and multicentric, with two parallel groups (Experimental group: preventive strategy based on the ELISPOT IFN-γ result: If patients are stratified as high risk they will receive prophylaxis with valgancyclovir for 3 months and if they are stratified as low risk they will be treated with preemptive therapy guided by CMV polymerase chain reaction analysis; Control group: Standard of care, universal prophylaxis with valgancyclovir for 3 months). Follow-up: 1 year. Duration of the trial: 3 years. Sample size: 188 patients.

Conditions

• Heart Transplant Infection
• CMV Infection

Interventions

Type	Name	Description
DIAGNOSTIC_TEST	ELISPOT IFN-γ assay	ELISPOT IFN-γ diagnostic test: Evaluation of specific cellular immune response against the IE-1 antigen and the CMV pp65, using the technique ELISPOT IFN-γ and individualize the preventive strategy according to the result. In patients with a ELISPOT of "low risk" will be made advance therapy (preemptive therapy) guided by PCR of CMV In patients with a "high risk" ELISPOT, universal prophylaxis with valganciclovir will be performed oral (900 mg / 24h) or intravenous ganciclovir (5-10 mg / Kd / day) in case the oral route is not available.

Timeline

• Start date: 2020-06-12
• Primary completion: 2022-03-25
• Completion: 2023-03-25
• First posted: 2020-02-20
• Last updated: 2020-12-23

Locations

1 site across 1 country: Spain