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Therapeutic Options for CRAB

NCT06440304 · Status: RECRUITING · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 108

Last updated 2026-01-21

No results posted yet for this study

Summary

CRAB infections in ICUs are on the rise, leading to higher morbidity, mortality, and healthcare costs due to resistance to most antibiotics, including carbapenems. The main resistance mechanisms include carbapenemases, efflux pumps, and changes in the bacterial cell wall.

Current treatments include polymyxins (Colistin, Polymyxin B), which are effective but can lead to resistance, aminoglycosides (Amikacin, Gentamicin), which are limited by resistance, and tetracyclines (Tigecycline, Eravacycline), which are effective against CRAB. Fosfomycin is effective in combination treatments, and combination therapy (e.g., colistin with sulbactam, fosfomycin, or eravacycline) can enhance outcomes.

Previous research shows promise for combination therapies, improving treatment efficacy and reducing mortality. New regimens are being studied to find optimal combinations. Individualized dosing is crucial, considering patient-specific factors like age, weight, and renal function. Adjustments depend on the infection site and comorbidities.

Strict infection control and antimicrobial stewardship programs (ASPs) are essential. ASPs focus on optimizing antibiotic use and reducing resistance through education and surveillance. Future directions include continued research for new drugs or combinations and strategies to overcome resistance and improve treatment efficacy.

Study goals include achieving negative samples after 10 days of therapy, 30-day survival, discharge rates, reduced SOFA scores, and improved clinical and radiological findings. A randomized study will compare colistin combined with fosfomycin, ampicillin/sulbactam, and eravacycline.

In summary, treating CRAB infections is complex, requiring combination therapy, individualized dosing, and strict infection control measures.

Conditions

  • Infections, Bacterial
  • Sepsis Bacterial

Interventions

DRUG

Fosfomycin

Patients will be randomly divided according to a predetermined randomization table Upon arrival of a positive microbiological finding on A. baumannii, patient will be randomised to one of groups (Colistin with Unasyn OR Colistin with Xerava OR Colistin with Fosfomycin

DRUG

Eravacycline

Patients will be randomly divided according to a predetermined randomization table Upon arrival of a positive microbiological finding on A. baumannii, patient will be randomised to one of groups (Colistin with Unasyn OR Colistin with Xerava OR Colistin with Fosfomycin

DRUG

ampicillin/sulbactam

Patients will be randomly divided according to a predetermined randomization table Upon arrival of a positive microbiological finding on A. baumannii, patient will be randomised to one of groups (Colistin with Unasyn OR Colistin with Xerava OR Colistin with Fosfomycin

Sponsors & Collaborators

  • Clinical Hospital Centre Zagreb

    lead OTHER

Principal Investigators

  • Ivan Šitum · UHC Zagreb

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
90 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-01-30
Primary Completion
2026-12-31
Completion
2027-02-28

Countries

  • Croatia

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06440304 on ClinicalTrials.gov