Abstract
Purpose
Cardiac cell therapy is a promising treatment for acute myocardial infarction (AMI), leading to cardiac function improvement. However, whether it translates into quality of life (QoL) improvement is unclear. We hypothesized that administration of bone marrow cells (BMC) to patients with AMI improves QoL.
Methods
In the multicenter BONAMI trial (NCT00200707), patients with reperfused AMI and decreased myocardial viability were randomized to intracoronary autologous BMC infusion (n = 52) or state-of-the-art therapy (n = 49). QoL data, derived from the Minnesota Living with Heart Failure questionnaire (MLHFQ), were obtained 1, 3, and 12 months after AMI and analyzed using a Rasch-family model.
Results
Using this model, QoL improved over time in the BMC group (p = 0.025) but not in the control group. Furthermore, the BMC-group patients displayed a better QoL than the control-group patients at 3 and 12 months post-AMI (p = 0.034 and p = 0.003, respectively). These findings were not detected when analyzing MLHFQ data using a standard method. Cardiac function, myocardial viability, mortality, and number of major adverse cardiac events did not differ between treatment groups.
Conclusion
Our results suggest that BMC therapy can improve QoL, stressing the need for confirmation trials and for systematic QoL assessment in cardiac cell therapy trials .
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Acknowledgments
The authors thank all hematologists, surgeons, echocardiographers, radiologists, nuclear physicians, and research technicians involved in the study.
Funding
This work was supported in part by a Programme Hospitalier de Recherche Clinique (PHRC) from the French Department of Health, and grants from the Association Française contre les Myopathies and the Fondation de France. There was no relationship with industry.
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The authors declare that they have no conflict of interest.
Ethical approval
All procedures involving human participants performed in this study were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The ethics review board of Nantes University Hospital approved the protocol. Informed consent: Informed consent was obtained from all individual participants included in the study.
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Guillaume Lamirault, Elodie de Bock and Jean-Benoît Hardouin, Patricia Lemarchand have equally contributed to this work.
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Supplemental data figure 1
Rates of usable questionnaires for conventional and partial credit model (PCM) methods. Data are shown at one (M1)-, three (M3)-, six (M6)-, and twelve (M12)-month follow-up visits for control (CTL) and bone marrow cell (BMC) groups (TIFF 509 kb)
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Lamirault, G., de Bock, E., Sébille, V. et al. Sustained quality of life improvement after intracoronary injection of autologous bone marrow cells in the setting of acute myocardial infarction: results from the BONAMI trial. Qual Life Res 26, 121–125 (2017). https://doi.org/10.1007/s11136-016-1366-7
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DOI: https://doi.org/10.1007/s11136-016-1366-7