Skip to content

Ampicillin and Ceftriaxone for the Treatment of Enterococcus Faecalis Infective Endocarditis.

Efficacy and Safety of Ampicillin and Ceftriaxone Continuous Infusion Versus Standard Therapy for the Treatment of Enterococcus Faecalis Infective Endocarditis (DOβLEI Study)

Status
Recruiting
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06423898
Acronym
DOBLEI
Enrollment
284
Registered
2024-05-21
Start date
2024-10-09
Completion date
2028-12-31
Last updated
2025-07-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Endocarditis, Infective

Keywords

Endocarditis, Infective, Enterococcus faecalis, Antibiotics, Outpatient Infusion Therapies, Outpatient Care

Brief summary

Phase IV, open-label, randomized and multicenter clinical trial to prove that patients with Enterococcus faecalis infective endocarditis treated with an antibiotic treatment as a continuous infusion is non-inferior to the standard treatment, usually administered in hospitalized patients.

Detailed description

The aim of the study is to prove that the continuous infusion of antibiotic treatment for the patients with Enterococcus faecalis infective endocarditis is as effective and safe as the standard treatment. The continuous infusion modality of treatment is expected to provide numerous benefits for individual patients, global health, and for the National Health Care System by reducing to hospital stays from 4-6 weeks to approximately 2-3 weeks and hospital-driven complications. The mortality, rate of serious adverse events, total number of days of antibiotic treatment and days of hospitalization, among others, are included as secondary objectives. This is a pragmatic study as the number or visits performed for the study are similar to the normal clinical follow-up for this patients. Final contact and final visit for the study will be performed at 365 days after the 42 days of treatment.

Interventions

DRUGAmpicillin plus ceftriaxone in continuous infusion

Continuous intravenous antibiotic infusion during 42 days for Infective Endocarditis

DRUGAmpicillin plus ceftriaxone in intermittent infusion of 14 days, after which the treatment may be changed

Ampicillin plus ceftriaxone as an intermittent infusion for a minimum of 14 days. After, if the patient is discharged from the hospital, the following treatments, until the 42-day treatment period is completed: 1. Intravenous treatment according to the following regimens: Ampicillin plus ceftriaxone as an intermittent infusion, teicoplanin, daptomycin, dalbavancin or linezolid. 2. Oral treatment according to the following regimens: amoxicillin plus moxifloxacin, amoxicillin plus linezolid, amoxicillin plus rifampin, linezolid plus moxifloxacin or linezolid plus rifampin.

Sponsors

Spanish Clinical Research Network - SCReN
CollaboratorNETWORK
Fundación Pública Andaluza para la gestión de la Investigación en Sevilla
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Parallel Assignment Randomized 1:1 to experimental group (continuous infusion arm) or control group (intermittent infusion arm)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Adult patients * Possible or definitive diagnosis of infective endocarditis due to Enterococcus faecalis * Signed informed consent of patients

Exclusion criteria

* Allergy to penicillins or cephalosporins * Pregnancy and lactation * Polymicrobial infection including microorganisms different to E. faecalis

Design outcomes

Primary

MeasureTime frameDescription
Clinical failureOne year after the end of the treatmentIt is defined as follow: i) Confirmed recurrence of E. faecalis infective endocarditis, ii) all-cause mortality. A composite primary endpoint has been chosen to include both a very clinically relevant variable and a hard variable such as survival

Secondary

MeasureTime frameDescription
Cardiac surgeriesUp to 12 months after treatment administrationNumber of unplanned cardiac surgeries
ReadmissionsUp to 12 months after treatment administrationNumber of unplanned readmissions
Adverse eventsFrom randomisation until 30 days after the last dose administrationNumber of medication-related adverse events
Antibiotic treatment daysUp to 12 months after treatment administrationNumber of antibiotic treatment days
Outpatient Parenteral Antimicrobial TherapyUp to 12 months after treatment administrationNumber of Outpatient Parenteral Antimicrobial Therapy
Therapeutic failureUp to 12 months after treatment administrationNumber of deaths
RecurrenceUp to 12 months after treatment administrationNumber of recurrence of Enterococcus faecalis infective endocarditis
Minimum free serum concentrationDay 14Minimum free serum concentration of antibiotics used
Steady-state plasma concentrationDay 14Steady-state plasma concentration of antibiotics used
Pharmacokinetic parametersDay 14Volume of distribution, clearance, elimination constant of antibiotics used
Minimum Inhibitory ConcentrationDay 14Minimum Inhibitory Concentration of ampicillin induced by ceftriaxone in the strains responsible for recurrences and control strains
Healthcare-associated infectionsUp to 12 months after treatment administrationNumber of healthcare-associated infections

Countries

Spain

Contacts

Primary ContactLaura Herrera Hidalgo, MD-PhD
lauraherrerahidalgo@gmail.com+34955013414
Backup ContactClara M Rosso Fernández, MD-PhD
claram.rosso.sspa@juntadeandalucia.es+34955013414

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026