HyperMICROBE: Oral Care With 3% Hydrogen Peroxide (Oroxid®) in ICU - Effects on the Lower Airway Microbial Colonisation
Study Details
Study Description
Brief Summary
HyPerMICROBE is a single-centre, controlled, randomised, prospective, superiority clinical trial to compare the efficacy of daily oral care with 3% hydrogen peroxide (Oroxid®) versus standard of care (0.2% chlorhexidine digluconate) on the cumulative incidence of lower respiratory tract microbial colonisation in mechanically ventilated adult critically ill patients.
Condition or Disease | Intervention/Treatment | Phase |
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Phase 4 |
Detailed Description
Rationale: Ventilator-associated pneumonia (VAP) is the most common hospital-acquired infection (HAI) in the intensive care unit (ICU), and its impact is very high in terms of morbidity, length of hospital stay and overall costs. Chlorhexidine for oral care in critically ill has no clear impact on VAP rates and may cause harm. 3% hydrogen peroxide (Oroxid) could be a promising substitute.
Aim: To test effectivity and safety of 3% hydrogen peroxide solution on ventilator-associated complications
Design: Prospective, single center, parallel group randomised controlled trial. Subjects: ICU patients (general ICU)
Treatment in the intervention group: daily oral care with 3% hydrogen peroxide
Control group: Standard-of-care protocolised daily oral care with 0,2% chlorhexidine
Primary outcome: Cumulative incidence of lower respiratory tract microbial colonisation analysed by Kaplan-Maier method, censored in the case of ICU discharge or extubation > 24h.
Secondary and exploratory outcomes: Differences in the relative risk of infection related ventilator-associated complications, antibiotic (ATB) consumption analysis, intraoral complications, reported using the Bedside oral exam (BOE) score, validated and adopted for ICU, length of ICU stay in days (time frame: at 3 months), number of ventilator-free days (time frame: at 28 days); that is, number of days, out of 28 days after admission, that patient has not been supported by mechanical ventilation
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
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Experimental: Hydrogen Peroxide Intervention group: daily oral care will be provided according to the local standard, with 3% hydrogen peroxide, oral assessment and teeth brushing will be completed twice daily (morning and evening). |
Drug: Oroxid®
All patients in experimental arm will receive usual best medical and nursing care with respect to VAP prevention including recently reviewed local "ventilator bundle "; standard microbial surveillance (tracheal aspirate) will be performed twice a week (Monday, Thursday) and always ad hoc according to the clinical situation. This reflects current practice. Daily oral care will be provided using Oroxid® mouthwash.
Other Names:
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Active Comparator: Chlorhexidine Control group: daily oral care will be provided according to the local standard, with 0,2% chlorhexidine, oral assessment and teeth brushing will be completed twice daily (morning and evening). |
Drug: Chlorhexidine mouthwash
All patients in experimental arm will receive usual best medical and nursing care with respect to VAP prevention including recently reviewed local "ventilator bundle "; standard microbial surveillance (tracheal aspirate) will be performed twice a week (Monday, Thursday) and always ad hoc according to the clinical situation. This reflects current practice. Daily oral care will be provided using 0,2% chlorhexidine
Other Names:
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Outcome Measures
Primary Outcome Measures
- Cumulative incidence of lower respiratory tract microbial colonisation analysed by Kaplan-Maier method, censored in the case of ICU discharge or extubation > 24h. [18 months]
To detect microorganisms in the lower respiratory tract, tracheal aspirate will be directly cultured for detecting Gram-positive, Gram-negative, and anaerobic bacteria and fungi. Standard microbial surveillance (tracheal aspirate) will be performed on admission, twice a week (Monday, Thursday) and always ad hoc according to the clinical situation.
Secondary Outcome Measures
- Differences in the relative risk of infection related ventilator associated complications (IVAC) [18 months]
According to the Centers for Disease Control and Prevention (CDC) criteria, the IVAC diagnosis will be established based on: an increase of the daily minimum positive end-expiratory pressure (PEEP) of ≥3 cm H2O and/or the daily minimum inspired oxygen fraction (FiO2) of ≥20 points sustained for ≥2 days and an evidence of a new infection present (abnormal temperature or white blood cell count) and prescription of a new antibiotic for ≥4 days
- ATB exposure at discharge [From the date of enrolment through to the date of ICU discharge, approximately 28 days]
Duration of antibiotics prescribed at discharge
- Intraoral complications, reported using the Bedside oral exam (BOE) score, validated and adopted for ICU. [will be measured at 24 hours (T1), day 3 (T2), day 7 (T3) and day 14 (T4) after admission]
BOE score ranges from 8 (excellent oral health) to 24 (poor oral health). The BOE scores ranging from 8-10 are considered as indicative of excellent oral health, from 11-14 as moderately impaired oral health and from 15-24 as significantly impaired oral health
- Length of ICU stay in days [at 3 months]
that is, length of ICU stay in days
- Number of ventilator-free days; [at 28 days]
that is, number of days, out of 28 days after admission, that patient has not been supported by mechanical ventilation
Other Outcome Measures
- Composition of the oral and lower airway microbiome between groups measured by the bacterial 16S rRNA sequencing [day 0, day 7 and day 14]
Microbial DNA will be sequentially (on admission, day 3, 7 and 14) sampled and isolated from prespecified sites in oral cavity, hypopharynx and lower respiratory tract. Microbial DNA will be analyzed by 16S rRNA amplicon sequencing and quantified by multiplex qPCR method. Paired comparison of bacteriomes between intervention group and control group will be performed to identify potentially risky host bacteriome profiles.
- Antibiotic Free Days [up to 30 days]
The number of days where participant did not require the use of antibiotics
- The number of participants with Non-pulmonary infections [up to 30 days]
The number of participants with Non-pulmonary infections
Eligibility Criteria
Criteria
Inclusion Criteria:
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Age ≥18 years
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In-patient of ICU and expected to stay > 5 days
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Mechanical ventilation or imminent need of it; predicted length of mechanical ventilation (MV) ≥ 72h
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Clinical Pulmonary Infection score (CPIS) less than 6 at the baseline
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No history and symptoms of aspiration at the baseline
Exclusion Criteria:
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ATB therapy on admission
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Suspected pulmonary infection on admission and in the first 48h of mechanical ventilation
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Pregnancy
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Oral ulcers or injuries
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Patient with a history of hydrogen peroxide allergy
Contacts and Locations
Locations
No locations specified.Sponsors and Collaborators
- Charles University, Czech Republic
Investigators
None specified.Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- VP/46/0/2022