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Decolonization Dilemmas: What’s Current and What’s Needed—A Survey of the SHEA Research Network and Affiliated US-based Hospitals

Published online by Cambridge University Press:  23 June 2026

KC Coffey
Affiliation:
Massachusetts General Hospital
Trudy Grossman
Affiliation:
CARB-X
David Banach
Affiliation:
Unviersity of Connecticut School of Medicine
Anthony Harris
Affiliation:
University of Maryland School of Medicine
David Hooper
Affiliation:
Massachusetts General Hospital
Susan Huang
Affiliation:
University of California Irvine School of Medicine
Erica Shenoy
Affiliation:
Massachusetts General Hospital and Mass General Brigham

Abstract

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Background Decolonization decreases risk of healthcare-associated and post-discharge infections. Most decolonization data are derived from methicillin-resistant Staphylococcus aureus (MRSA) studies, although results have been extended to other multidrug-resistant organisms (MDRO). Understanding MDRO target outcomes and preferred product characteristics may inform new decolonization protocols, products, and strategic integration into infection prevention practices. Methods We surveyed 134 Society for Healthcare Epidemiology of America (SHEA) Research Network-affiliated US healthcare facilities on MDRO surveillance, isolation, and deisolation practices. The survey asked about decolonization practices, needs, and gaps. The survey was administered via REDCap from 1/7/25-2/25/25, and responses were de-identified. Frequencies and proportions were analyzed in REDCap and Excel. This survey was considered nonhuman subjects research by the Mass General Brigham Institutional Review Board. Results Of 134 facilities surveyed, 52 (39%) completed the decolonization section of the survey. 38/52 (73%) facilities reported performing some form of decolonization. Of these, 87% said the most important decolonization outcome is reduced risk of progression to infection. Lab-based clearance (8%) and reduced risk of transmission (5%) were considered less important. Using carbapenem-resistant Enterobacterales (CRE) as an example of an MDRO without established decolonization products or protocols, respondents’ interest in decolonization increased with patient vulnerability to invasive disease (Figure 1). Preferred decolonization agent characteristics varied by patient population, e.g. a majority selected transmission interruption in the non-intensive care unit compared to patient-specific efficacy in the transplant population (Figure 2). Half of the surveyed facilities reported having unmet decolonization needs. Across all patient types, the most commonly reported reasons not to decolonize were “efficacy not worth the effort”, “wouldn’t protect the patient” and “effect won’t last” (Figure 3). Approximately one quarter of respondents said they would not want to decolonize for “other” reasons including, “no established protocol” and “unclear evidence”. Conclusions Facilities reported valuing decolonization as a means to prevent progression to infection, but transmission prevention was rarely selected as an important outcome of decolonization. Due to reported preferences of agent characteristics by patient population, there may be opportunities for development of population-specific products. Product design should prioritize decolonization agents that are easy to administer, highly effective, and provide long-lasting impact. Evidence-based, standardized decolonization protocols, particularly for gram negative MDRO, are needed to address barriers and support decolonization in prevention of transmission as well as infection.

A bar graph showing the percentage of respondents who want to decolonize patients with an M D R O by patient type.

A bar graph showing the top 3 decolonization agent characteristics by patient type.

Bar graph showing reasons not to decolonize patients by type.

Information

Type
Decolonization Strategies
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2026. Published by Cambridge University Press on behalf of The Society for Healthcare Epidemiology of America