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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06338345
Other study ID # 38RC23.0222
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date September 1, 2024
Est. completion date September 1, 2028

Study information

Verified date January 2024
Source University Hospital, Grenoble
Contact ALEXANDRE BEHOUCHE, MD
Phone 04 76 76 68 79
Email ABehouche@chu-grenoble.fr
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The use of antibiotic therapy is common in intensive care units and primarily involves beta-lactams. Its optimal implementation is made difficult by the pharmacokinetic changes inherent in critically ill patients. Despite the current recommendations from the French Society of Anesthesiology and Intensive Care (SFAR) and the French Society of Pharmacology and Therapeutics (SFPT), there are no recommendations on prescription modalities for patients under veno-arterial extracorporeal membrane oxygenation (VA-ECMO). The use of antibiotic therapy is common in VA-ECMO patients and their pharmacokinetic variability factors are then exacerbated. We aim to conduct a prospective, multicenter, interventional study designed to identify predictive factors for failure to achieve therapeutic target circulating concentrations of beta-lactams in patients under VA-ECMO treated with one of the studied beta-lactams


Description:

The use of antibiotic therapy is common in intensive care units and primarily involves beta-lactams. Its optimal implementation is made difficult by the pharmacokinetic changes inherent in critically ill patients (fluid resuscitation, use of catecholamines, shock state, organ dysfunctions, especially those involved in drug elimination, implementation of extracorporeal circulations...). It has been demonstrated that delayed initiation of appropriate antibiotic therapy in severe infections is an independent predictor of poor prognosis. The current joint recommendations from the French Society of Anesthesiology and Intensive Care (SFAR) and the French Society of Pharmacology and Therapeutics (SFPT) formulated in 2018 have codified the implementation of beta-lactam antibiotic therapy in critically ill patients, specifying administration modalities, initial dosages, as well as pharmacological therapeutic monitoring methods (plasma monitoring of the administered molecule after 24-48 hours of administration in all patients for whom pharmacokinetic variability is expected) and target plasma concentrations. However, there are no recommendations on prescription modalities for patients under veno-arterial extracorporeal membrane oxygenation (VA-ECMO). VA-ECMO is a salvage therapy for cardio-pulmonary support via extracorporeal circulation, used in severe cardiac or respiratory failures. The use of antibiotic therapy is common in these patients. Pharmacokinetic variability factors common to intensive care patients are then exacerbated (massive fluid resuscitation, haemodilution by extracorporeal circulation, adsorption of xenobiotics on the exchange membrane and circuit, intensity of organ failures) while the severity of the patient necessitates immediate optimal antibiotic therapy administration. The literature on antibiotic pharmacokinetics in patients under VA-ECMO is scarce in the adult population. Two exploratory approaches with distinct objectives can be found: A "fundamental" approach, aiming to define the pharmacokinetic parameters (apparent volume of distribution, elimination half-life...) specific to each molecule within this population and to compare them with those observed in a reference population. A "clinical" approach, focusing on the frequency of concentrations within the therapeutic range within the studied population (proportion of patients for whom the measured plasma concentration in practice conforms to the targets formulated in the recommendations). While this second approach seems to correspond more closely to our clinical practice, there are few studies in this area. Bouglé et al. conducted a prospective monocentric study in 2019, including all patients under ECMO-VA receiving antibiotic therapy. The authors described the frequencies of plasma concentrations exceeding the lower limit of the therapeutic range. Thus, within this population of critically ill patients, where the failure to implement optimal antibiotic therapy is likely a factor of poor prognosis, 50 to 90% of patients did not reach the recommended therapeutic targets for the different beta-lactams studied. Moreover, the study considered overdoses as pharmacokinetic successes, a highly debatable point given the complications inherent in beta-lactam overdoses. However, this pilot study did not focus on factors that could predict failure to achieve target concentrations. We aim to conduct a prospective, multicenter, interventional study designed to identify predictive factors for failure to achieve therapeutic target circulating concentrations of beta-lactams in patients under VA-ECMO treated with one of the studied beta-lactams


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 225
Est. completion date September 1, 2028
Est. primary completion date September 1, 2027
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patients undergoing VA-ECMO - Patients requiering initiation of a novel antibiotic therapy with one of the studied beta-lactam (Piperacillin-Tazobactam, Cefepime, or Meropenem) while under VA-ECMO - With an expected survival exceeding 24 hours - Patient's or their trusted person's consent Exclusion Criteria: - Subject under administrative or judicial surveillance - Non-affiliation to social insurance - Pregnant or lactating patient - Antibiotic therapy of interest already initiated before VA-ECMO implantation - Contraindication to the use of beta-lactam - Administration modalities of beta-lactam not compliant with current recommendations - Subject in exclusion period from another study

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
Therapeutic drug monitoring of beta-lactam
During the 24 first hours after inclusion, 5 blood samples will be collected to mesure plasmatic concentrations of the studied beta-lactam, of creatinin and of albumin

Locations

Country Name City State
France CHU de Clermont Ferrand - Hôpital Gabriel Montpied Clermont-Ferrand
France CHU Dijon-Bourgogne Dijon
France Aphp Pitie Salpetriere Paris
France CHU ROUEN - Hôpital Charles-Nicolle Rouen
France Hôpital Rangueil - CHU Toulouse Toulouse

Sponsors (1)

Lead Sponsor Collaborator
University Hospital, Grenoble

Country where clinical trial is conducted

France, 

References & Publications (8)

Blot SI, Pea F, Lipman J. The effect of pathophysiology on pharmacokinetics in the critically ill patient--concepts appraised by the example of antimicrobial agents. Adv Drug Deliv Rev. 2014 Nov 20;77:3-11. doi: 10.1016/j.addr.2014.07.006. Epub 2014 Jul 15. — View Citation

Bougle A, Dujardin O, Lepere V, Ait Hamou N, Vidal C, Lebreton G, Salem JE, El-Helali N, Petijean G, Amour J. PHARMECMO: Therapeutic drug monitoring and adequacy of current dosing regimens of antibiotics in patients on Extracorporeal Life Support. Anaesth Crit Care Pain Med. 2019 Oct;38(5):493-497. doi: 10.1016/j.accpm.2019.02.015. Epub 2019 Mar 1. — View Citation

Kuhn D, Metz C, Seiler F, Wehrfritz H, Roth S, Alqudrah M, Becker A, Bracht H, Wagenpfeil S, Hoffmann M, Bals R, Hubner U, Geisel J, Lepper PM, Becker SL. Antibiotic therapeutic drug monitoring in intensive care patients treated with different modalities of extracorporeal membrane oxygenation (ECMO) and renal replacement therapy: a prospective, observational single-center study. Crit Care. 2020 Nov 25;24(1):664. doi: 10.1186/s13054-020-03397-1. — View Citation

Kumar A, Roberts D, Wood KE, Light B, Parrillo JE, Sharma S, Suppes R, Feinstein D, Zanotti S, Taiberg L, Gurka D, Kumar A, Cheang M. Duration of hypotension before initiation of effective antimicrobial therapy is the critical determinant of survival in human septic shock. Crit Care Med. 2006 Jun;34(6):1589-96. doi: 10.1097/01.CCM.0000217961.75225.E9. — View Citation

Lamoth F, Buclin T, Pascual A, Vora S, Bolay S, Decosterd LA, Calandra T, Marchetti O. High cefepime plasma concentrations and neurological toxicity in febrile neutropenic patients with mild impairment of renal function. Antimicrob Agents Chemother. 2010 Oct;54(10):4360-7. doi: 10.1128/AAC.01595-08. Epub 2010 Jul 12. — View Citation

Leone M, Bourgoin A, Cambon S, Dubuc M, Albanese J, Martin C. Empirical antimicrobial therapy of septic shock patients: adequacy and impact on the outcome. Crit Care Med. 2003 Feb;31(2):462-7. doi: 10.1097/01.CCM.0000050298.59549.4A. — View Citation

Roberts JA, Abdul-Aziz MH, Lipman J, Mouton JW, Vinks AA, Felton TW, Hope WW, Farkas A, Neely MN, Schentag JJ, Drusano G, Frey OR, Theuretzbacher U, Kuti JL; International Society of Anti-Infective Pharmacology and the Pharmacokinetics and Pharmacodynamics Study Group of the European Society of Clinical Microbiology and Infectious Diseases. Individualised antibiotic dosing for patients who are critically ill: challenges and potential solutions. Lancet Infect Dis. 2014 Jun;14(6):498-509. doi: 10.1016/S1473-3099(14)70036-2. Epub 2014 Apr 24. — View Citation

Shekar K, Roberts JA, Welch S, Buscher H, Rudham S, Burrows F, Ghassabian S, Wallis SC, Levkovich B, Pellegrino V, McGuinness S, Parke R, Gilder E, Barnett AG, Walsham J, Mullany DV, Fung YL, Smith MT, Fraser JF. ASAP ECMO: Antibiotic, Sedative and Analgesic Pharmacokinetics during Extracorporeal Membrane Oxygenation: a multi-centre study to optimise drug therapy during ECMO. BMC Anesthesiol. 2012 Nov 28;12:29. doi: 10.1186/1471-2253-12-29. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Predictive factors for failure to achieve target plasma concentrations in patients under VA-ECMO treated with Piperacillin-Tazobactam, Cefepime, or Meropenem. Plasmatic concentrations during the 24 first hours following the initiation of the antibiotherapy 1 hour after administration
Primary Predictive factors for failure to achieve target plasma concentrations in patients under VA-ECMO treated with Piperacillin-Tazobactam, Cefepime, or Meropenem. Plasmatic concentrations during the 24 first hours following the initiation of the antibiotherapy 3 hour after administration
Primary Predictive factors for failure to achieve target plasma concentrations in patients under VA-ECMO treated with Piperacillin-Tazobactam, Cefepime, or Meropenem. Plasmatic concentrations during the 24 first hours following the initiation of the antibiotherapy 6 hour after administration
Primary Predictive factors for failure to achieve target plasma concentrations in patients under VA-ECMO treated with Piperacillin-Tazobactam, Cefepime, or Meropenem. Plasmatic concentrations during the 24 first hours following the initiation of the antibiotherapy 12 hour after administration
Primary Predictive factors for failure to achieve target plasma concentrations in patients under VA-ECMO treated with Piperacillin-Tazobactam, Cefepime, or Meropenem. Plasmatic concentrations during the 24 first hours following the initiation of the antibiotherapy 24 hour after administration
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