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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05516433
Other study ID # MERIMI
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date January 23, 2023
Est. completion date December 31, 2025

Study information

Verified date February 2023
Source Groupe Hospitalier Paris Saint Joseph
Contact Benoit PILMIS, MD
Phone 144127820
Email bpilmis@ghpsj.fr
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Among enterobacteria, ESBL production is the leading cause of multidrug resistance. The first cases of ESBL-producing Enterobacteriaceae (EBLSE) infections were described in the 1980s and subsequently spread worldwide. Since the turn of the century, the prevalence of EBLSE infections, particularly among E. coli and K. pneumoniae, has increased dramatically. The emergence of multidrug-resistant enteric bacteria (MRE) is currently a real public health problem. The European network for monitoring antibiotic resistance in cooperation with Santé Publique France evaluated the rate of resistance to third generation cephalosporins (C3G) among clinical strains at 10.2% for Escherichia coli and 28.8% for Klebsiella pneumoniae. The consequences of infections with multi-resistant enteric bacteria, mainly represented by ESBL, are currently well known, both from an individual point of view (increased mortality and length of hospitalization) and from a collective point of view (increased costs of care). The current reference treatment for ESBL-producing Enterobacteriaceae infections is based on carbapenems. Imipenem and meropenem are the two most commonly used carbapenems in clinical practice. Despite their similar spectrum of action, these two molecules have different pharmacokinetic properties, notably concerning their half-life and their elimination routes (mainly urinary for imipenem, mixed: biliary and urinary for meropenem). Some studies have suggested that imipenem has a low impact on the digestive microbiota. However, no studies comparing the impact of imipenem and meropenem have been conducted. Woerther et coll. explained in their work that the digestive microbiota confers resistance to colonization by MREs. The impact of antibiotics on the microbiota probably leads to a breakdown of this barrier and a loss of this resistance to colonization. Moreover, each antibiotic therapy does not impact the digestive microbiota in the same way and it seems that antibiotics with a high activity against strict anaerobic species and/or a high biliary elimination are the most impacting. It is therefore essential, in the era of multidrug resistance, to look at the influence of antibiotics on the digestive microbiota and on the emergence and carriage of MRE. In a context where the incidence of multi-resistant bacteria is constantly increasing, it seems relevant to conduct a study aiming at comparing the respective impact of the use of imipenem and meropenem on the emergence of MRE and on the digestive microbiota at the individual level. This study aims at comparing the microbiological impact (in terms of emergence of bacterial resistance and in terms of impact on the diversity of cultivable digestive bacteria). It will be a comparative study with matching of patients according to age, service and previous duration of hospitalization. Indeed, the usual management of patients with an infection requiring treatment with a carbapenem is different between the 2 participating centers. Thus, according to the usual management of patients in these 2 participating centers, patients at Avicenne Hospital are treated with meropenem and patients at the Paris Saint-Joseph Hospital Group with imipenem, except in the case of a need for a high daily dose (osteoarticular infection, for example) due to the neurological toxicity of imipenem at high dosage. In the case of high-dose use, meropenem will be the preferred molecule.


Recruitment information / eligibility

Status Recruiting
Enrollment 100
Est. completion date December 31, 2025
Est. primary completion date January 22, 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patient = 18 years old - Patient hospitalized in the intensive care unit of the Groupe Hospitalier Paris Saint-Joseph or the Avicenne Hospital - Patient with an infection requiring probabilistic or documented treatment with a carbapenem (imipenem or meropenem) - French speaking patient - Patient or relative able to give his or her non-objection Exclusion Criteria: - Patients with a carbapenem allergy - Pregnant or breastfeeding woman - Patient under guardianship or curatorship - Patient deprived of liberty - Patient under court protection

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
France Hôpital Avicenne Bobigny
France Groupe Hospitalier Paris Saint-Joseph Paris

Sponsors (1)

Lead Sponsor Collaborator
Groupe Hospitalier Paris Saint Joseph

Country where clinical trial is conducted

France, 

References & Publications (5)

Gudiol C, Calatayud L, Garcia-Vidal C, Lora-Tamayo J, Cisnal M, Duarte R, Arnan M, Marin M, Carratala J, Gudiol F. Bacteraemia due to extended-spectrum beta-lactamase-producing Escherichia coli (ESBL-EC) in cancer patients: clinical features, risk factors, molecular epidemiology and outcome. J Antimicrob Chemother. 2010 Feb;65(2):333-41. doi: 10.1093/jac/dkp411. Epub 2009 Dec 3. — View Citation

Ruppe E, Burdet C, Grall N, de Lastours V, Lescure FX, Andremont A, Armand-Lefevre L. Impact of antibiotics on the intestinal microbiota needs to be re-defined to optimize antibiotic usage. Clin Microbiol Infect. 2018 Jan;24(1):3-5. doi: 10.1016/j.cmi.2017.09.017. Epub 2017 Sep 29. No abstract available. — View Citation

Ruppe E, Lixandru B, Cojocaru R, Buke C, Paramythiotou E, Angebault C, Visseaux C, Djuikoue I, Erdem E, Burduniuc O, El Mniai A, Marcel C, Perrier M, Kesteman T, Clermont O, Denamur E, Armand-Lefevre L, Andremont A. Relative fecal abundance of extended-spectrum-beta-lactamase-producing Escherichia coli strains and their occurrence in urinary tract infections in women. Antimicrob Agents Chemother. 2013 Sep;57(9):4512-7. doi: 10.1128/AAC.00238-13. Epub 2013 Jul 8. — View Citation

Schwaber MJ, Navon-Venezia S, Kaye KS, Ben-Ami R, Schwartz D, Carmeli Y. Clinical and economic impact of bacteremia with extended- spectrum-beta-lactamase-producing Enterobacteriaceae. Antimicrob Agents Chemother. 2006 Apr;50(4):1257-62. doi: 10.1128/AAC.50.4.1257-1262.2006. — View Citation

Woerther PL, Lepeule R, Burdet C, Decousser JW, Ruppe E, Barbier F. Carbapenems and alternative beta-lactams for the treatment of infections due to extended-spectrum beta-lactamase-producing Enterobacteriaceae: What impact on intestinal colonisation resistance? Int J Antimicrob Agents. 2018 Dec;52(6):762-770. doi: 10.1016/j.ijantimicag.2018.08.026. Epub 2018 Aug 31. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Ecological impact of imipenem and meropenem on the microbiota (modification of bacterial diversity) This outcome corresponds to the rate of modification in bacterial diversity judged by the loss of at least one bacterial species in the microbiota after initiation of antibiotic therapy. Month 1
Primary Ecological impact of imipenem and meropenem on the microbiota (abundance) This outcome corresponds to the rate of diminution in bacterial abundance within the microbiota, defined as a decrease of at least 2 logs in abundance. Month 1
Secondary Evaluate the change in bacterial diversity This outcome corresponds to the rate of loss of at least one bacterial species in the microbiota after initiation of antibiotic therapy. Month 1
Secondary Change in bacterial abundance This outcome corresponds to the rate of loos corresponding to at least 2 log decrease in bacterial abundance. Month 1
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