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Study of the Use of a Single Dose of Erythropoietin to Treat Acute Myocardial Ischemia — DREAM  

Coronary Artery Disease Clinical Trial

Official title:
An Open Label Study to Evaluate the Effect of Intravenous Erythropoietin on Erythropoietin Receptor Signaling and Markers for Apoptosis, Myocardial Damage and Renal Dysfunction in Patients Undergoing Coronary Artery Bypass Graft (CABG) Surgery

Clinical Trial Summary

This is a phase 2 study that evaluates the effect of intravenous administration of a bolus EPO on the activation of EPOR-signal transduction cascades and myocardial apoptosis during cardiopulmonary bypass surgery. Human atrial and ventricular tissue will be collected during CABG surgery for 3-vessel disease for the assay of EPOR signaling and apoptosis. Two atrial specimens will be collected before and at the end of cardiopulmonary bypass (CPB). Concomitantly, two transmural ventricular biopsies will be obtained, at the start and at the end of CPB. Immediately after obtaining the first atrial biopsy, one bolus of EPO will be administered intravenously. The atrial tissue will be split and appropriate sections will be frozen for determination of baseline expression or activity of a number of molecules including Erk1/2, STAT5, Akt and caspase-3 or embedded in paraffin for immunohistochemistry. Ventricular tissue will only be processed for immunohistochemistry. Additionally, plasma will be collected before the procedure and for up to 30 days post-procedure to examine release of markers of both myocardial ischemia and stress (CK-MB, Troponin T and NT-proBNP) and renal dysfunction (cystatin C, creatinine for eGFR). Before initializing the randomised study, a pilot study will be performed with 5 subjects that will not be treated to evaluate the feasibility of myocardial sample collection. Initiation of the randomised study will only commence if baseline activity of EPOR-STC can be determined in the atrial tissue and caspase-3 positive cells can be identified in the second ventricular biopsy.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00524901
Study type Interventional
Source University Medical Center Groningen
Contact
Status Completed
Phase Phase 2
Start date September 2007
Completion date April 2011
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