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Cytomegalovirus Infection clinical trials

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NCT ID: NCT05683457 Recruiting - Clinical trials for Cytomegalovirus Infection

A Study to Evaluate the Efficacy, Safety, and Immunogenicity of mRNA-1647 Cytomegalovirus (CMV) Vaccine in Allogenic Hematopoietic Cell Transplantation (HCT) Participants.

Start date: April 5, 2023
Phase: Phase 2
Study type: Interventional

The main purpose of the study is to evaluate the efficacy and safety of mRNA-1647 compared to placebo to prevent first clinically significant cytomegalovirus infection (CS-CMVi) in the period following cessation of CMV prophylactic treatment (for example, letermovir) on Day 100 postHCT through Month 9 postHCT.

NCT ID: NCT04706923 Recruiting - Clinical trials for Cytomegalovirus Infection

A Phase 2a Study of IV BCV in Subjects With Adenovirus Infection

ATHENA
Start date: August 16, 2021
Phase: Phase 2
Study type: Interventional

The purpose of this study is to determine the safety and tolerability of intravenous (IV) brincidofovir (BCV; SyB V-1901) 0.2 mg/kg, 0.3 mg/kg or 0.4 mg/kg dosed twice weekly (BIW) or 0.4 mg/kg dosed once weekly (QW) for 4 weeks in subjects with AdV, and IV BCV in subjects with CMV

NCT ID: NCT03210090 Recruiting - Clinical trials for Cytomegalovirus Infection

Impact of the Lack of CMV-Specific CD8+ T Cell Response in CMV-Seropositive Donors in CMV Reactivation After Hematopoietic Stem Cells Transplant in CMV-Seropositive Recipients

CYTHEMAT
Start date: January 1, 2016
Phase: N/A
Study type: Observational

Donor and recipient CMV-serostatus is one of the risk factor for CMV infection in solid organ transplantation. Recipients with IgG positive anti-CMV are classified as low-risk patients since it is considered that patients also have specific cellular immunity against CMV. However, investigators group has published that around 25% of solid organ transplant candidates lack CMV-specific CD8+ T-cell response ("humoral/cellular mismatch") and they are at a higher risk of CMV replication after transplantation. The main goal of this study is to analyze the impact of the humoral/cellular mismatch in hematopoietic stem cell transplantation (HSCT) CMV-seropositive donors on the CMV reactivation after HSCT in CMVseropositive recipients. Investigators will study not only the incidence of CMV reactivation but also the severity (duration and peak viral load), CMV disease and survival. CMV-seropositive patients who receive a HSCT (bone marrow or peripheral blood) from related donors will be consecutively recruited from Reina Sofía Hospital (Córdoba) and Marqués de Valdecilla Hospital (Santander). Patients will be monitored during 12 months after HSCT. CMV-specific CD8+ T-cell response will be determined in their donors, using QuantiFERON-CMV assay, to know the frequency of humoral/cellular mismatch. Innate and adaptive immune reconstitution will be assessed by flow cytometry and experimental QuantiFERON Monitor assay. CMV-specific CD8+ T-cell reconstitution will be determined using QuantiFERON-CMV assay.

NCT ID: NCT00966836 Recruiting - Clinical trials for Heart Transplantation

Prevention of Transplant Atherosclerosis With Everolimus and Anti-cytomegalovirus Therapy

PROTECT
Start date: April 2009
Phase: Phase 3
Study type: Interventional

Cardiac allograft vasculopathy (CAV) is the major cause of long-term graft failure in heart transplant recipients. Although several immune-mediated and metabolic risk factors have been implicated in the pathogenesis of CAV, no effective therapy is currently available to treat established CAV and prevent its adverse outcomes. Therefore, the main clinical strategy is based on prevention and treatment of factors known to trigger its development. Although the mechanism is vague, cytomegalovirus (CMV) infection is believed to play a key role in CAV progression. Two strategies involving administration of specific anti-CMV agents are recommended for prevention of CMV infection/disease: universal prophylaxis and preemptive therapy. The pros and cons of the two strategies are still debated, in the absence of randomized studies addressing graft-related outcomes and viral mechanisms of graft damage, and without any clear evidence of superiority of either approach. The investigators conceived this randomized prospective project to compare the effect of preemptive anti-CMV strategy with universal anti-CMV prophylaxis on CMV infection and on one-year increase in coronary intimal thickening. Patients will be additionally randomized to receive either mycophenolate mofetil or everolimus, in light of the possible anti-CMV properties of everolimus.