- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05117398
Dalbavancin Versus Standard Antibiotic Therapy for Catheter-related Bloodstream Infections Due to Staphylococcus Aureus (DALICATH)
Randomized Open-label Controlled Trial Evaluating a Single-dose Intravenous Dalbavancin Versus Standard Antibiotic Therapy During Catheter-related Bloodstream Infections Due to Staphylococcus Aureus
The primary objective of the study is to demonstrate, among patients with non-complicated CR-BSIs due to S. aureus, that a single-dose of intravenous (IV) dalbavancin 1500 mg is non-inferior to standard documented antibiotic therapy for 14 days according to national guidelines at DAY 30 (Long follow up visit).
As the secondary objectives, the study aims to evaluate according to treatment group:
- Cure rate at DAY 14 and DAY 90 (EOS);
- Mortality rate within 90 days of follow-up;
- Time to negativation of blood cultures;
- Patient's quality of life;
- Hospitalization length of stay;
- Cost-utility analyses;
- Occurrence of any adverse event (AE and SAE), until Day 90 (EOS).
Study Overview
Status
Intervention / Treatment
Detailed Description
Catheter-related bloodstream infections (CR-BSIs) are the most common nosocomial bloodstream infections, with an incidence as high as 8.5 to 19.8 infections per 1000 catheter-days. Staphylococcus aureus is involved in about 20% of CR-BSIs and associated with significant morbidity, mortality (9.3%), prolonged hospital stay (+ 9 days), and healthcare costs (35 000 € to 65 000 € per case). S. aureus CR-BSIs occurs mainly in frail patients with a port of catheter for chemotherapy or parenteral nutrition.
According to international guidelines, management of CR-BSIs due to S. aureus includes the removal and replacement of the infected catheter and a 14-day intravenous (IV) antibiotic therapy. Therefore, the management of CR-BSIs due to S. aureus requires the insertion of a new intravenous catheter. In turn, the new catheter can also lead to new septic complications and limit the patients' autonomy. Non-adherence to these recommendations leads to over-mortality and costs.
Following of the positive results of the SABATO trial in 2021 to determine whether early switch to oral antibiotic therapy is safe and effective in patients with uncomplicated BSA, oral switch during staphylococcal bacteremia, will likely become the standard of care. It is therefore justified to allow oral switch in the control arm.
The usual practice in some centers is already to switch to oral antibiotics, after a minimum of 7 days of intravenous treatment.
Dalbavancin is a new glycopeptide antibiotic, with an excellent bactericidal activity against Gram-positive bacteria, especially S. aureus, and a prolonged half-life of 14 to 15 days. As a comparison, half-life of antibiotics usually used for CR-BSIs due to S. aureus, i.e. penicillin or glycopeptide, as-per sensitivity to methicillin is much lower: 1.5 to 9 hours. Such prolonged half-life allows one IV injection to be sufficient and effective over 14 days of treatment. This remarkable characteristic should allow patients to be promptly discharged from hospital without monitoring.
The hypothesis of the study is that in patients with CR-BSIs due to S. aureus, after catheter removal, dalbavancin could be administered intravenously in a single administration after catheter removal and be as effective as standard documented antibiotic therapy for 14 days according to national guidelines.
Study Type
Enrollment (Estimated)
Phase
- Phase 3
Contacts and Locations
Study Contact
- Name: Bernard CASTAN, MD
- Phone Number: +33 5 53 45 26 00
- Email: bernard.castan@ch-perigueux.fr
Study Contact Backup
- Name: Aurélien DINH, MD, PhD
- Phone Number: +33 1 47 10 44 32
- Email: aurelien.dinh@aphp.fr
Study Locations
-
-
-
Garches, France, 92380
- Not yet recruiting
- Infectious diseases department, Raymond-Poincaré Hospital - APHP
-
Contact:
- Aurelien DIHN, MD, PhD
-
Périgueux, France, 24019
- Recruiting
- Infectious Diseases Department, CH PERIGUEUX
-
Contact:
- Bernard CASTAN, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients aged at least 18 years;
- Blood cultures positive for S. aureus, obtained within 72 hours before randomization (the date considered is the date of the sampling, not the results);
CR-BSI, defined as:
- One positive blood culture AND Local signs of infection at the catheter site; OR
- at least one positive blood culture obtained from the catheter and the peripheral vein; AND
- A differential period between catheter versus peripheral blood culture positivity of at least 2h as recommended; AND
- Same S. aureus isolate (same phenotype) identified from the catheter and the peripheral vein blood cultures; OR
- One positive blood culture; AND
- Strong presumption of catheter-related infection according to clinical opinion.
- Intravascular catheter - implantable venous access device (port-a-cath and Piccline) - removed before randomization;
- Informed consent form date and signed by the patient.
Exclusion Criteria:
- Polymicrobial infection;
- Dalbavancin resistant strain;
- More than 72 hours of active antibiotic treatment targeting S. aureus (in-vitro susceptibility) administered prior to randomization;
- Patient with known valvulopathy, previous history of endocarditis, or suspicion of infective endocarditis by physician in charge;
- Suspicion of any other deep focus infections, such as arthritis, pneumonia, osteomyelitis, or meningitis, presence of cerebral or peripheral emboli (arterial occlusion);
- Thrombophlebitis;
- Failure to remove any intravascular catheter which was present when first positive blood culture;
- Signs of infection associated with quick SOFA score ≥ 2 at randomization;
- Patients with foreign bodies such as: prosthetic heart valve, endovascular prosthesis, ventriculo-atrial shunt, pacemaker, or an automated implantable cardioverter defibrillator (AICD) device;
- Severe liver disease (Child-Pugh C);
Severely immunocompromised patients:
- Neutropenia (< 500 neutrophils/µL) at randomization;
- Hematopoietic stem cell transplantation within the past 6 months or planned during treatment period;
- Solid organ transplant;
- Contraindication to dalbavancin and/or glycopeptide;
- Life expectancy < 3 months;
- Active injection drug user;
- Pregnant or breastfeeding women;
- For premenopausal women: failure to use highly-effective contraceptive methods for 1 month after receiving study drug;
- Participation in other interventional trials ongoing;
- Persons held in an institution by legal or official order;
- Patients under legal protection;
- Patients under guardianship or curators;
- Patients unable to give a free and informed consent;
- Patient not affiliated to a social security scheme: obligation of affiliation to a social security scheme or to be a beneficiary.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Dalbavancin
Dalbavancin (Xydalba®) 1500 mg - One unique dose
|
A single-dose of intraveneuse (IV) administration of dalbavancin of 1500 mg. In case of patients with chronic renal impairment (creatinin clairance < 30mL/min), a single-dose of IV administration of reduced dalbavancin of 1000 mg.
Other Names:
|
Active Comparator: Standard documented antibiotic therapy for 14 days according to national guidelines.
As currently recommended, investigators will be encouraged to use the intravenous route for the entire duration of treatment. However, in order to interfere as little as possible with usual practice in each center, the antimicrobial therapy will be let to the choice of the physician in charge of the patient after a minimum of 7 days of intravenous treatment. During all the duration of the study, in case of worsening of the clinical condition requiring the prescription of antistaphylococcal, the clinician will prescribe additional antibiotherapy according to standard good practice. |
Standard Antibiotic therapy according to national recommendations.
During the study, the start of treatment is considered to be the day of inclusion/randomization (even if active antiobiotic treatment was started, less than 72 hours ago according to inclusion criteria).
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cure rate
Time Frame: DAY 30
|
Clinical cure without relapse, defined by the absence of all the following:
|
DAY 30
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Hospitalization length of stay
Time Frame: DAY 90
|
Hospitalization duration in days
|
DAY 90
|
Cure rate
Time Frame: DAY 14;DAY 90 (EOS)
|
Clinical cure at DAY 14 and DAY 90 (EOS) defined by the absence of all the following:
|
DAY 14;DAY 90 (EOS)
|
Mortality rate
Time Frame: DAY 90
|
Death all-cause occurring within 90 days of follow-up.
|
DAY 90
|
Bloodstream clearance
Time Frame: DAY 14
|
Time from first positive blood culture to first negative blood cultures (in days), limited to DAY 14.
|
DAY 14
|
Patient's quality of life
Time Frame: BASELINE; DAY 14; DAY 30; DAY 90 (EOS)
|
Autonomy, pain and anxiety using 5-level EQ-5D scale
|
BASELINE; DAY 14; DAY 30; DAY 90 (EOS)
|
Cost-utility analyses
Time Frame: DAY 90
|
Cost per avoided relapse; life-year gained, and per quality-adjusted life year (QALY)
|
DAY 90
|
Incidence of any adverse event (AE and SAE)
Time Frame: DAY 90
|
Proportion of patients with any adverse event until the end of study.
It includes the complications due to venous catheterization.
|
DAY 90
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Bernard CASTAN, MD, CH de Périgueux
- Study Director: Aurélien DINH, MD, PhD, APHP - RAYMOND POINCARE
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Systemic Inflammatory Response Syndrome
- Inflammation
- Disease Attributes
- Bacterial Infections
- Bacterial Infections and Mycoses
- Gram-Positive Bacterial Infections
- Sepsis
- Infections
- Communicable Diseases
- Bacteremia
- Staphylococcal Infections
- Anti-Infective Agents
- Antitubercular Agents
- Anti-Bacterial Agents
- Antibiotics, Antitubercular
- Dalbavancin
Other Study ID Numbers
- APHP220763
- 2021-004038-12 (EudraCT Number)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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