Study of the Use of a Single Dose of Erythropoietin to Treat Acute

Status Completed

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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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms