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Critically IllNCT07831564

Professional Oral Care and Staff Education in Critically Ill Patients

A study testing Professional Oral Care, Standard Oral Care and ICU Staff Oral Care Education in people with Critically Ill and Oral Health Care, run by Semmelweis University at 2 sites in Hungary.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study evaluated oral health in critically ill patients admitted to two intensive care units in Budapest, Hungary, and examined whether professional oral care and education of intensive care staff could improve oral hygiene. A total of 161 adult patients were included. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Critically Ill, Oral Health Care, Critical Illness
What is being tested?
Professional Oral Care, Standard Oral Care and ICU Staff Oral Care Education
Could I receive a placebo?
No, everyone receives an active treatment
How many people
161 participants
Where
2 sitesHungary
Study dates
15 Jun 2023to 9 Sep 2025
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Adult patients (≥18 years of age) admitted to one of the participating intensive care units.
  • Expected ICU stay of at least 48 hours.
  • Informed consent obtained from the patient or their legally authorized representative.

Who cannot join

  • ICU stay shorter than 48 hours.
  • Refusal to participate or inability to obtain informed consent from the patient or their legally authorized representative.
  • Conditions associated with a high risk of bleeding that contraindicated oral examination or oral care.

Trial locations and contacts

2 sites in 1 country.

Hungary2 sites
  • Dr. Manninger Jenő National Trauma Center

    Budapest, 1081

  • Bajcsy-Zsilinszky Hospital

    Budapest, 1106

Other trials in Hungary

About this study

Official title: Professional Oral Care and Staff Education to Improve Oral Hygiene in Critically Ill Patients: A Prospective Controlled Clinical Study

This study evaluated oral health in critically ill patients admitted to two intensive care units in Budapest, Hungary, and examined whether professional oral care and education of intensive care staff could improve oral hygiene. A total of 161 adult patients were included. Dentate patients in the first phase were randomly assigned to receive either professional oral care provided by dentists or standard oral care provided by ICU nursing staff. Total edentulous patients were included in a separate group. After a structured oral care education programme was provided to ICU staff, subsequently enrolled patients were included in a separate post-education group. Oral hygiene and gingival inflammation were assessed repeatedly during the ICU stay.

Being tested
Professional Oral Care, Standard Oral Care, ICU Staff Oral Care Education
Keywords
oral hygiene, oral care, critical illness, intensive care, orotracheal intubation, gingivitis, ventilator-associated pneumonia, staff education
Medical subject headings
Critical Illness, Gingivitis, Pneumonia, Ventilator-Associated

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Professional Oral CareBehavioural

    Professional oral care was provided by calibrated dentists three times weekly using a rotary-oscillatory electric toothbrush and fluoride toothpaste. Cleaning included the occlusal, buccal, and lingual tooth surfaces, followed by oral rinsing with sterile water.

  • Standard Oral CareBehavioural

    Standard oral care was provided by ICU nursing staff twice daily according to local clinical practice. At the Bajcsy-Zsilinszky Hospital ICU, care consisted of toothbrushing or oral swabbing with a non-chlorhexidine antiseptic solution. At the Trauma Center ICU, care consisted of chlorhexidine mouth rinsing combined with toothbrushing.

  • ICU Staff Oral Care EducationBehavioural

    A structured educational programme was provided to ICU physicians and nurses. The programme addressed oral hygiene, current recommendations for the prevention of ventilator-associated pneumonia, and the recommended oral care protocol, including toothbrushing with toothpaste and oral rinsing. Patients enrolled after completion of the education programme constituted the post-education (upskill) group.

Study groups in NCT07831564
Study groupRoleWhat they receive
Professional Oral CareExperimentalDentate patients randomly assigned during the first study phase to receive professional oral care provided by calibrated dentists three times weekly. Oral care was performed using a rotary-oscillatory electric toothbrush and fluoride toothpaste, including cleaning of occlusal, buccal, and lingual tooth surfaces, followed by oral rinsing with sterile water.
Receives: Behavioral: Professional Oral Care
Standard oral careActive comparatorDentate patients randomly assigned during the first study phase to receive standard oral care provided by ICU nursing staff according to local clinical practice. Standard care was performed twice daily.
Receives: Behavioral: Standard Oral Care
UpskillExperimentalDentate patients enrolled after implementation of a structured staff education programme. The programme addressed oral hygiene, recommendations for prevention of ventilator-associated pneumonia, and the recommended oral care protocol, including toothbrushing with toothpaste and oral rinsing. Patients subsequently received standard oral care according to local ICU practice.
Receives: Behavioral: Standard Oral Care; Behavioral: ICU Staff Oral Care Education
Total edentulousOtherTotal edentulous patients included in a separate non-randomized cohort. These patients received standard oral care according to local ICU practice.
Receives: Behavioral: Standard Oral Care

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in Simplified Oral Hygiene Index (OHI-S) over time

    Oral hygiene was assessed using the Simplified Oral Hygiene Index (OHI-S), which ranges from 0 to 6, with higher scores indicating poorer oral hygiene. OHI-S scores were compared between study groups and across repeated examinations during the ICU stay.

    Measured: Baseline and three times weekly during the ICU stay, through ICU discharge, an average of 30 days.

Secondary outcomes (6)
  1. Change in gingivitis prevalence over time

    Gingival inflammation was assessed clinically at each oral examination. Gingivitis prevalence was compared between study groups and across repeated examinations during the ICU stay.

    Measured: Baseline and three times weekly during the ICU stay, through ICU discharge, an average of 30 days.

  2. Incidence of ventilator-associated pneumonia (VAP)

    Occurrence of VAP during the ICU stay, recorded as a dichotomous outcome (yes/no) at the end of the ICU stay. VAP was defined according to the diagnostic criteria used in the participating ICUs, including onset at least 48 hours after initiation of mechanical ventilation.

    Measured: Through ICU discharge, an average of 30 days.

  3. Duration of mechanical ventilation

    Duration of invasive mechanical ventilation, measured in days from initiation of mechanical ventilation until discontinuation or death, whichever occurred first.

    Measured: From initiation of invasive mechanical ventilation until discontinuation or death, whichever occurred first, assessed up to 43 days.

  4. ICU length of stay

    Duration of the intensive care unit stay, measured in days from ICU admission until ICU discharge or death, whichever occurred first.

    Measured: From ICU admission until ICU discharge or death, whichever occurred first, assessed up to 66 days.

  5. Hospital length of stay

    Duration of hospital stay, measured in days from hospital admission until hospital discharge or death, whichever occurred first.

    Measured: From hospital admission until hospital discharge or death, whichever occurred first, assessed up to 103 days.

  6. All-cause mortality

    All-cause mortality during hospitalization, recorded as a dichotomous outcome (yes/no).

    Measured: Up to 103 days after ICU admission.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted21 Sep 2026
  2. Study start15 Jun 2023
  3. Primary completion14 Mar 2025
  4. Study completion9 Sep 2025

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Supportive care
Allocation
Randomised
Intervention model
Parallel groups
Model description
The study comprised two sequential phases. During the first phase, dentate patients were randomly assigned to parallel intervention or control groups, while total edentulous patients were included in a separate non-randomized cohort. Following a structured staff education programme, subsequently enrolled patients were included in a separate post-education cohort.
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
161 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT07831564
Sponsor's protocol ID
97-2023
Status last verified
Aug 2026
First submitted
19 Aug 2026
Last updated
21 Sep 2026
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Professional Oral Care, Standard Oral Care and ICU Staff Oral Care Education in people with Critically Ill and Oral Health Care, run by Semmelweis University at 2 sites in Hungary.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 21 Sep 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in Hungary. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in Simplified Oral Hygiene Index (OHI-S) over time (time frame: Baseline and three times weekly during the ICU stay, through ICU discharge, an average of 30 days.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 21 Sep 2026.

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