• J Rello, T S R van Engelen, E Alp, T Calandra, V Cattoir, W V Kern, M G Netea, S Nseir, S M Opal, F L van de Veerdonk, M H Wilcox, and W J Wiersinga.
• CIBERES, Vall d'Hebron Barcelona Campus Hospital, European Study Group of Infections in Critically Ill Patients (ESGCIP), Barcelona, Spain. Electronic address: jrello@crips.es.
• Clin. Microbiol. Infect. 2018 Dec 1; 24 (12): 1264-1272.

BackgroundOur current understanding of the pathophysiology and management of sepsis is associated with a lack of progress in clinical trials, which partly reflects insufficient appreciation of the heterogeneity of this syndrome. Consequently, more patient-specific approaches to treatment should be explored.AimsTo summarize the current evidence on precision medicine in sepsis, with an emphasis on translation from theory to clinical practice. A secondary objective is to develop a framework enclosing recommendations on management and priorities for further research.SourcesA global search strategy was performed in the MEDLINE database through the PubMed search engine (last search December 2017). No restrictions of study design, time, or language were imposed.ContentThe focus of this Position Paper is on the interplay between therapies, pathogens, and the host. Regarding the pathogen, microbiologic diagnostic approaches (such as blood cultures (BCs) and rapid diagnostic tests (RDTs)) are discussed, as well as targeted antibiotic treatment. Other topics include the disruption of host immune system and the use of biomarkers in sepsis management, patient stratification, and future clinical trial design. Lastly, personalized antibiotic treatment and stewardship are addressed (Fig. 1).ImplicationsA road map provides recommendations and future perspectives. RDTs and identifying drug-response phenotypes are clear challenges. The next step will be the implementation of precision medicine to sepsis management, based on theranostic methodology. This highly individualized approach will be essential for the design of novel clinical trials and improvement of care pathways.Copyright © 2018 European Society of Clinical Microbiology and Infectious Diseases. Published by Elsevier Ltd. All rights reserved.

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