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Noninvasive Methods to Monitor Graft Survival in Heart Transplant Patients

2014-08-27 03:38:50 | BioPortfolio

Summary

Injury of transplant tissue by a transplant recipient's immune system continues to be the leading cause of graft rejection and recipient death. The purpose of this study is to identify a single test or a combination of noninvasive tests currently used for heart transplant monitoring that correlate to long-term graft survival.

Description

A major cause of heart transplant failure is the blockage of blood flow from lesions caused by ongoing injury and repair of the graft by the host's immune system. However, the role of T cells, antibodies, and other parts of the recipient's immune system are not well understood in transplant injury. Currently, there are no effective, noninvasive ways to detect or predict how an individual's immune system will react to a transplant. The purpose of this study is to correlate current noninvasive monitoring tests with long-term graft survival and function, and determine which tests are the most accurate predictors of this survival.

Participants in this study must currently be on the waiting list for a heart transplant and have a donor heart available to them. This study will consist of six study visits over 12 months. The baseline visit will occur on the day of transplantation. Follow-up visits will occur at Week 6 and Months 3, 6, 9, and 12 post-transplant. At each visit, a physical exam, medication tracking, assessment of graft survival, and blood and urine collection will occur. At the Week 6 and Month 12 visits, intravascular ultrasound and echocardiograms will occur. At the Week 6, Month 6, and Month 12 visits, endomyocardial biopsies will also occur. No immunosuppressive therapy will be provided by the study.

Study Design

Observational Model: Case-Only, Time Perspective: Prospective

Conditions

Cardiac Transplant

Intervention

Heart transplant

Location

University of California
Los Angeles
California
United States
90095

Status

Active, not recruiting

Source

National Institute of Allergy and Infectious Diseases (NIAID)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:38:50-0400

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Medical and Biotech [MESH] Definitions

A derivative of sirolimus and an inhibitor of TOR SERINE-THREONINE KINASES. It is used to prevent GRAFT REJECTION in heart and kidney transplant patients by blocking cell proliferation signals. It is also an ANTINEOPLASTIC AGENT.

Tumors in any part of the heart. They include primary cardiac tumors and metastatic tumors to the heart. Their interference with normal cardiac functions can cause a wide variety of symptoms including HEART FAILURE; CARDIAC ARRHYTHMIAS; or EMBOLISM.

Providers of tissues for transplant to non-related individuals.

The body location or part from which tissue is taken for TRANSPLANTATION.

Transplant comprised of an individual's own tissue, transferred from one part of the body to another.

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