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Identification of Non Invasive Biomarkers of Immune Endothelial Injury and Repair Associated With Cardiac Allograft Vasculopathy

NCT01569334 · Status: UNKNOWN · Phase: NA · Type: INTERVENTIONAL · Enrollment: 170

Last updated 2014-08-29

No results posted yet for this study

Summary

Heart transplantation is the best option for patients with end-stage heart failure. Cardiac allograft vasculopathy (CAV) is the leading cause of death following cardiac transplantation and is not managed by current therapies. Its pathogenesis traduces in an accelerated form of coronary artery disease (CAD) with similarities to atherosclerosis but also particular features of endothelial dysfunction associated to the alloimmune conflict and humoral responses toward the graft. Intravascular ultrasound (IVUS) is the validated invasive method for late CAV diagnosis, but occurs lesions are established. Identification of reliable non-invasive early endothelial injury biomarkers that reflect mechanisms of cardiac damage thus remain a major challenge to optimize therapeutic management of post transplant morbidity. Endothelial dysfunction is a central feature of both CAV and CAD and results from a desquilibrium in the balance of endothelial lesion and repair that is partly controlled by recipient immune system. Through their expression of receptors sensing antibodies (FcR CD16) and endothelial stress-induced signals (CX3CR1 fractalkine receptor and NKG2D MICA receptors), Natural Killer (NK) cells represent effector cells with unique potential to generate both humoral and innate immune injury of graft endothelium.

Conditions

  • Cardiac Allograft Vasculopathy

Interventions

BIOLOGICAL

blood samples

Sponsors & Collaborators

  • Assistance Publique Hopitaux De Marseille

    lead OTHER

Principal Investigators

  • BERNARD BELAIGUES · Assistance Publique hôpitaux de Marseille

Study Design

Allocation
NON_RANDOMIZED
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2011-02-28
Primary Completion
2014-05-31
Completion
2014-11-30

Countries

  • France

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01569334 on ClinicalTrials.gov