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Preconditioning against renal ischaemia reperfusion injury: the failure to translate to the clinic

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Abstract

Acute kidney injury (AKI) as a result of ischaemia–reperfusion represents a major healthcare burden worldwide. Mortality rates from AKI in hospitalized patients are extremely high and have changed little despite decades of research and medical advances. In 1986, Murry et al. demonstrated for the first time the phenomenon of ischaemic preconditioning to protect against ischaemia–reperfusion injury (IRI). This seminal finding paved the way for a broad body of research, which attempted to understand and ultimately harness this phenomenon for human application. The ability of preconditioning to limit renal IRI has now been demonstrated in multiple different animal models. However, more than 30 years later, a safe and consistent method of protecting human organs, including the kidneys, against IRI is still not available. This review highlights agents which, despite strong preclinical data, have recently failed to reduce AKI in human trials. The multiple reasons which may have contributed to the failure to translate some of the promising findings to clinical therapies are discussed. Agents which hold promise in the clinic because of their recent efficacy in preclinical large animal models are also reviewed.

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Abbreviations

IRI:

Ischaemia-reperfusion injury;

HIF:

Hypoxia inducible factor

IC:

Intermittent clamping

AKI:

Acute kidney injury

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Funding

This work was in part supported by the Austin Health Medical Research Foundation and by The University of Melbourne.

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  1. Department of Surgery, Austin Health, The University of Melbourne, Studley Rd., Heidelberg, VIC, 3084, Australia

    Dermot O’Kane, Graham S. Baldwin, Damien M. Bolton, Joseph J. Ischia & Oneel Patel

  2. Department of Urology, Austin Health, Heidelberg, VIC, Australia

    Dermot O’Kane, Damien M. Bolton & Joseph J. Ischia

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  1. Dermot O’Kane
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  2. Graham S. Baldwin
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O’Kane, D., Baldwin, G.S., Bolton, D.M. et al. Preconditioning against renal ischaemia reperfusion injury: the failure to translate to the clinic. J Nephrol 32, 539–547 (2019). https://doi.org/10.1007/s40620-019-00582-6

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