Oritavancin for CIED Infections With MDR Gram-positive Cocci
NCT ID: NCT07013552
Last Updated: 2025-06-10
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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NOT_YET_RECRUITING
NA
100 participants
INTERVENTIONAL
2025-06-30
2026-10-31
Brief Summary
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Detailed Description
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This study's purpose is to evaluate the safety and efficacy of two antibiotic dosage regimens in a pilot study of cardiac implantable electronic devices (CIED) infections with multidrug-resistant (MDR) Gram-positive cocci.
Study Design:
This study is a single-center randomized, non-inferiority, control trial comparing the efficacy and safety of two antibiotic dosage regimens with a long-half-life antibiotic (oritavancin, experimental group) vs. standard therapy with a short-half-life antibiotic (vancomycin, control group).
Study Assumptions:
The investigators assumed that the efficacy of oritavancin therapy administered as a single intravenous infusion (for surgical incision site infection or pocket infection) or in fractionated doses administered at seven-day intervals (for lead-related infectious endocarditis) would be non-inferior to the efficacy of standard vancomycin therapy administered daily at 8-12 hour intervals and that there would be no difference in the safety profile between the two therapies.
Patient Population:
Patients aged ≥18 with CIED surgical incision site infection (i.e., superficial acute bacterial skin and skin structure infections, ABSSSI) or deep infections of the generator pocket (PI) complicated or not with lead-related infectious endocarditis (LRIE) (optional) with multidrug-resistant (MDR) Gram-positive cocci.
The planned size of the group in the pilot study is 50-100. The planned recruitment period is 15 months, and the observation period is 3 months.
Once all inclusion criteria and none of the exclusion criteria are met, patients who have given written informed consent to participate in the study will be randomly assigned to the experimental group and the control group to achieve a 1:1 group size ratio.
Intervention:
The diagnostic and surgical approach and the duration of antibiotic treatment will be determined depending on the etiological factor and clinical indications by the consensus of European Heart Rhythm Association and Heart Rhythm Society experts on cardiovascular implantable electronic device lead management and extraction and the European Society of Cardiology guidelines for the treatment of infective endocarditis.
The intervention under investigation (experimental) will be administering a single or repeated dose of oritavancin.
The standard intervention will be administering of repeated doses of vancomycin.
Experimental group - Oritavancin dosage:
1. in superficial ABSSSI: Single dose of 1,200 mg (3 vials) administered as a 3-hour intravenous infusion in 5% glucose solution (infusion volume: 1,000 ml);
2. in isolated PI: Single dose of 1,200 mg (3 vials) administered as a 3-hour intravenous infusion in 5% glucose solution (infusion volume: 1,000 ml);
3. in LRIE: First dose of 1,200 mg (3 vials) administered as a 3-hour intravenous infusion in 5% glucose solution (infusion volume: 1,000 ml), subsequent doses of 800 mg (2 vials) administered as a 2-3 hour intravenous infusion at 7-day intervals, to achieve the required duration of drug therapy of 2-6 weeks (counted from the day of TLE).
Control group - Vancomycin dosage:
1. in superficial ABSSSI: Repeated doses of 15-20 mg/kg body weight every 8-12 hours (maximum 3,000 mg/day for patients with normal renal function) administered as an hourly intravenous infusion in 0.9% sodium chloride solution (infusion volume: 500-1,000 ml), under monitoring the drug concentration in serum, for 7-10 days (calculated from the beginning of antibiotic therapy, not less than seven days from surgical tissue debridement, if required);
2. in isolated PI: Repeated doses of 15-20 mg/kg body weight every 8-12 hours (maximum 3,000 mg/day for patients with normal renal function) administered as an hourly intravenous infusion in 0.9% sodium chloride solution (infusion volume: 500-1,000 ml), under monitoring the drug concentration in serum, for 10-14 days (counted from the day of surgical debridement of the generator pocket and TLE, if possible);
3. in LRIE: Repeated doses of 15-20 mg/kg body weight every 8-12 hours (maximum 3,000 mg/day for patients with normal renal function) administered as an hourly intravenous infusion in 0.9% sodium chloride solution (infusion volume: 500-1,000 ml), under monitoring the drug concentration in serum, to achieve the required pharmacotherapy time of 2-6 weeks (counted from the day of surgical debridement of the incision site and TLE).
Observation:
Observation will include
1. Physical examination with the assessment of the CIED implantation site;
2. Routine laboratory tests, including blood count, C-reactive protein (mg/l), procalcitonin (ng/ml), plasma creatinine (mg/dl);
3. Transthoracic echocardiogram with the assessment of bacterial vegetations;
4. Transesophageal echocardiogram with the assessment of bacterial vegetations, with particular emphasis on the tricuspid valve and CIED leads;
5. PET/CT examination with 18F-FDG or SPECT/CT using radioisotope-labeled leukocytes (depending on clinical indications).
Evaluation will be performed at 72-120 hours of therapy, after 5-7 and 14 days of therapy, and after 1 and 3 months of therapy, with endpoints assessed at 3 months.
Primary endpoints will include a complete cure rate and serious treatment-related adverse events at 3 months of follow-up.
Secondary endpoints will include clinical response rates, worsening or recurrence of infection despite drug therapy (including those resulting in rehospitalization and requiring alternative antibiotic therapy), and time to clinical response.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
Experimental group:
Oritavancin dosage in superficial ABSSSI or PI: Single dose of 1,200 mg (3 vials) administered as a 3-hour intravenous infusion.
Oritavancin dosage in LRIE: First dose of 1,200 mg (3 vials) administered as a 3-hour intravenous infusion, subsequent doses of 800 mg (2 vials) administered as a 2-3 hour intravenous infusion at 7-day intervals, to achieve the required duration of drug therapy of 2-6 weeks (counted from the day of transvenous lead extraction).
Control group:
Vancomycin dosage: Repeated doses of 15-20 mg/kg body weight every 8-12 hours administered as an hourly intravenous infusion for 7-10 days in ABSSSI, for 10-14 days in PI, and for 2-6 weeks in LRIE.
TREATMENT
NONE
Study Groups
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Patients treated with a long half-life antibiotic - oritavancin (Tenkasi)
Patients with CIED infection with MDR Gram-positive cocci treated with a long half-life lipoglycopeptide antibiotic - oritavancin
Administration of a single or repeated dose of a long half-life antibiotic - oritavancin
Intravenous administration of a single or repeated dose of lipoglycopeptide antibiotic - oritavancin.
In superficial ABSSSI or PI: Single dose of 1,200 mg (3 vials) administered as a 3-hour intravenous infusion in 5% glucose solution.
In LRIE: First dose of 1,200 mg (3 vials) administered as a 3-hour intravenous infusion in 5% glucose solution, subsequent doses of 800 mg (2 vials) administered as a 2-3 hour intravenous infusion at 7-day intervals, to achieve the required duration of drug therapy of 2-6 weeks (counted from the day of transvenous lead extraction).
Patients treated with a short half-life antibiotic - vancomycin (Vancomycin)
Patients with CIED infection with MDR Gram-positive cocci treated with a short half-life glycopeptide antibiotic - vancomycin
Administration of a repeated dose of a short half-life antibiotic - vancomycin
Intravenous administration of repeated doses of glycopeptide antibiotic - vancomycin.
Repeated doses of 15-20 mg/kg body weight every 8-12 hours administered as an hourly intravenous infusion in 0.9% sodium chloride solution, under monitoring the drug concentration in serum, for 7-10 days in ABSSSI, for 10-14 days in PI, and for 2-6 weeks in LRIE (counted from the day of transvenous lead extraction).
Interventions
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Administration of a single or repeated dose of a long half-life antibiotic - oritavancin
Intravenous administration of a single or repeated dose of lipoglycopeptide antibiotic - oritavancin.
In superficial ABSSSI or PI: Single dose of 1,200 mg (3 vials) administered as a 3-hour intravenous infusion in 5% glucose solution.
In LRIE: First dose of 1,200 mg (3 vials) administered as a 3-hour intravenous infusion in 5% glucose solution, subsequent doses of 800 mg (2 vials) administered as a 2-3 hour intravenous infusion at 7-day intervals, to achieve the required duration of drug therapy of 2-6 weeks (counted from the day of transvenous lead extraction).
Administration of a repeated dose of a short half-life antibiotic - vancomycin
Intravenous administration of repeated doses of glycopeptide antibiotic - vancomycin.
Repeated doses of 15-20 mg/kg body weight every 8-12 hours administered as an hourly intravenous infusion in 0.9% sodium chloride solution, under monitoring the drug concentration in serum, for 7-10 days in ABSSSI, for 10-14 days in PI, and for 2-6 weeks in LRIE (counted from the day of transvenous lead extraction).
Eligibility Criteria
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Inclusion Criteria
2. Presence of signs and symptoms of superficial ABSSSI or PI in the form of a) redness/warmth/swelling/pain or b) separation of the edges of the surgical incision with signs of inflammation or the need for repeated surgical debridement of the wound or c) the presence of decubitus of the skin and subcutaneous tissue in area of the generator or skin abscess/erosion of the device pocket, with purulent discharge from the wound or discharge giving a positive microbial culture
3. Probable/ definite diagnosis of right-sided LRIE according to modified Dukes criteria (optional criterion)
4. Suspected/confirmed infection with drug-resistant Gram-positive cocci, i.e., Staphylococcus spp. (Stahphylococcus aureus or coagulase-negative staphylococci), Streptococcus spp. or Enterococcus spp. sensitive to oritavancin
5. Suspected/confirmed infection with Gram-positive cocci, i.e., Staphylococcus spp., Streptococcus spp., Enterococcus spp., sensitive to vancomycin or oritavancin and beta-lactam antibiotics in patients with a history of type I anaphylaxis to penicillin.
Exclusion Criteria
2. Suspected/confirmed community-acquired infection or infection with Gram-positive cocci sensitive to betalactam antibiotics, including penicillin, ampicillin, or methicillin, based on empirical data or cultures (does not apply to patients with a history of type I anaphylaxis to penicillin)
3. Confirmed resistance of Gram-positive cocci, which are the etiological factor of the infection, to vancomycin and oritavancin.
4. History of hypersensitivity to oritavancin or another lipoglycopeptide antibiotic (applies to the experimental group only)
5. History of hypersensitivity to vancomycin or another glycopeptide antibiotics (applies to the control group only)
6. No possibility of temporarily interrupting/initiating alternative therapy to intravenous infusion of unfractionated heparin
7. Pregnancy or breastfeeding
8. Lack of informed written consent of the patient to participate in the study
18 Years
ALL
No
Sponsors
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Medical Research Agency, Poland
OTHER_GOV
Medical University of Silesia
OTHER
Responsible Party
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Principal Investigators
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Beata Sarecka-Hujar, Professor
Role: PRINCIPAL_INVESTIGATOR
Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Poland
Locations
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Department of Electrocardiology and Heart Failure, Medical University of Silesia in Katowice
Katowice, Silesian Voivodeship, Poland
Countries
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Central Contacts
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References
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Stewart CL, Turner MS, Frens JJ, Snider CB, Smith JR. Real-World Experience with Oritavancin Therapy in Invasive Gram-Positive Infections. Infect Dis Ther. 2017 Jun;6(2):277-289. doi: 10.1007/s40121-017-0156-z. Epub 2017 Apr 6.
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Carvalhaes CG, Sader HS, Streit JM, Castanheira M, Mendes RE. Activity of Oritavancin against Gram-Positive Pathogens Causing Bloodstream Infections in the United States over 10 Years: Focus on Drug-Resistant Enterococcal Subsets (2010-2019). Antimicrob Agents Chemother. 2022 Feb 15;66(2):e0166721. doi: 10.1128/AAC.01667-21. Epub 2021 Nov 22.
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Corey GR, Arhin FF, Wikler MA, Sahm DF, Kreiswirth BN, Mediavilla JR, Good S, Fiset C, Jiang H, Moeck G, Kabler H, Green S, O'Riordan W; SOLO I, SOLO II Investigators. Pooled analysis of single-dose oritavancin in the treatment of acute bacterial skin and skin-structure infections caused by Gram-positive pathogens, including a large patient subset with methicillin-resistant Staphylococcus aureus. Int J Antimicrob Agents. 2016 Nov;48(5):528-534. doi: 10.1016/j.ijantimicag.2016.07.019. Epub 2016 Sep 13.
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Related Links
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Lekooporność Streptococcus pneumoniae: częstość występowania, mechanizmy, znaczenie kliniczne. Aktualności Narodowego Programu Ochrony Antybiotyków 2019; 2: 1-9.
Food and Drug Administration Orbactiv
European Medicines Agency Orbactiv.
Other Identifiers
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KPOD.07.07-IW.07-0004/24
Identifier Type: -
Identifier Source: org_study_id
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