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Published in: Trials 1/2022

Open Access 01-12-2022 | Myocardial Infarction | Study protocol

Single vs. double intracoronary injection of mesenchymal stromal cell after acute myocardial infarction: the study protocol from a randomized clinical trial: BOOSTER-TAHA7 trial

Authors: Armin Attar, Fatemeh Nouri, Arash Yazdanshenas, Kamran Hessami, Massoud Vosough, Alireza Abdi-Ardekani, Peyman Izadpanah, Mani Ramzi, Javad Kojouri, Gholamreza Pouladfar, Ahmad Monabati

Published in: Trials | Issue 1/2022

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Abstract

Background

Meta-analysis from previous studies have shown that treatment with mesenchymal stromal cell (MCSs) may increase the left ventricular ejection fraction (LVEF) after acute myocardial infarction (AMI) by 3.84%, and the effect is greater in those who are not aged and have developed a reduced LVEF. However, it seems that MSC transplantation does its effect through an indirect paracrine effect, and direct differentiation to the cardiomyocytes does not occur. Therefore, it can be hypothesized that this paracrine effect would be augmented if repeated doses of MSC are transplanted. This study is conducted to compare single vs. double injection of MSCs.

Methods

This is a single-blind, randomized, multicenter trial aiming to determine whether intracoronary infusion of double doses of umbilical cord-derived Wharton’s jelly MSCs (WJ-MSCs) improves LVEF more after AMI compared to single administration. Sixty patients 3 to 7 days after AMI will be enrolled. The patients should be under 65 years old and have a severe impairment in LV function (LVEF < 40%). They will be randomized to three arms receiving single or double doses of intracoronary infusion of WJ-MSCs or placebo. The primary endpoint of this study is assessment of improvement in LVEF at 6-month post intervention as compared to the baseline.

Discussion

This investigation will help to determine whether infusion of booster (second) dose of intracoronary WJ-MSCs in patients with AMI will contribute to increasing its effect on the improvement of myocardial function.

Trial registration

Iranian Registry of Clinical Trials (www.​IRCT.​ir) IRCT20201116049408N1. Registered on November 26 2020
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Metadata
Title
Single vs. double intracoronary injection of mesenchymal stromal cell after acute myocardial infarction: the study protocol from a randomized clinical trial: BOOSTER-TAHA7 trial
Authors
Armin Attar
Fatemeh Nouri
Arash Yazdanshenas
Kamran Hessami
Massoud Vosough
Alireza Abdi-Ardekani
Peyman Izadpanah
Mani Ramzi
Javad Kojouri
Gholamreza Pouladfar
Ahmad Monabati
Publication date
01-12-2022
Publisher
BioMed Central
Published in
Trials / Issue 1/2022
Electronic ISSN: 1745-6215
DOI
https://doi.org/10.1186/s13063-022-06276-y

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