Cardiac Arrest (CA)MultiCPR3NCT06986200
MultiCPR: The Influence of Firefighter's PPE on Chest Compressions (MultiCPR3)
A study testing Chest Compressions, One minute rotation intervall and Two minute rotation intervall in people with Cardiac Arrest (CA) and Occupational Health, run by Medical University of Vienna at 1 site in Austria.
Trial summary
The aim of this clinical study is to evaluate the impact of wearing firefighters' personal protective equipment (PPE) on the quality of chest compressions during simulated resuscitation scenarios. Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- Cardiac Arrest (CA), Occupational Health
- What is being tested?
- Chest Compressions, One minute rotation intervall and Two minute rotation intervall
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 38 participants
- Where
- 1 siteAustria
- Study dates
- 16 Jun 2025to 1 Dec 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
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- Healthy fire-fighters trained in CPR
- CPR Training in the last four years
- Fit and rested
Who cannot join
- Pregnant participants
Trial locations and contacts
1 site in 1 country.
About this study
Official title: MultiCPR: The Influence of Firefighter's PPE on Chest Compressions
The aim of this clinical study is to evaluate the impact of wearing firefighters' personal protective equipment (PPE) on the quality of chest compressions during simulated resuscitation scenarios. The study compares the effects of one-minute versus two-minute intervals for switching the individual performing compressions.
How does the clinical trial work? This randomized cross over trial will be conducted in several locations and will involve a total of 38 fire-fighters. The study will be conducted by the Department of Anesthesiology of the Medical University of Vienna.
Read more
Participation in this clinical study is expected to last 30 minutes in total. Participants are randomized to either one or two minute intervalls of performing chest compressions in teams of two. After a cooling-of phase of at least 24 hours, they will be switched to the other group.
Chest compressions will be performed for 12 minutes in full firefighter's PPE. Primary outcome will be chest compression depth.
- Conditions
- Cardiac Arrest (CA), Occupational Health
- Being tested
- Chest Compressions, One minute rotation intervall, Two minute rotation intervall
- Medical subject headings
- Heart Arrest
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Chest CompressionsProcedure or surgery
Performing chest compressions in full firefighter's personal protcetion equipment
One minute rotation intervallProcedure or surgery
Chest compressions using a one minute rotation intervall
Two minute rotation intervallProcedure or surgery
Chest compressions using a two minute rotation intervall
| Study group | Role | What they receive |
|---|---|---|
| One minute rotation intervals | Active comparator | Chest compressions will be done with one minute rotation intervals Receives: Procedure: Chest Compressions; Procedure: One minute rotation intervall |
| Two minute rotation intervals | Active comparator | Chest compressions will be done with two minute rotation intervals Receives: Procedure: Chest Compressions; Procedure: Two minute rotation intervall |
What is being measured
The primary outcome is the main question the study is designed to answer.
Chest Compressions depth
depth in milimeter
Measured: during 12 minutes of chest compressions. 2x12 = 24minutes in total per participant
Secondary outcomes (2)
Chest compression rate
Measured: during 12 minutes of chest compressions. 2x12 = 24minutes in total per participant
Incomplete recoil (leaning) during chest compressions
Incomplete recoil is an important measure during chest compressions as it impairs ventricular filling. Incomplete recoil is measured in milimeters.
Measured: during 12 minutes of chest compressions. 2x12 = 24minutes in total per participant
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted22 May 2025
- Study start16 Jun 2025
- Primary completion1 Dec 2025
- Study completion1 Dec 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Cardiac Arrest (CA)Studies of the same condition, open and under way.
- More trials run by Medical University of ViennaThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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
- Health services research
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- Single blind
- Who is masked
- Outcomes assessor
- Enrolment
- 38 participants (actual)
Sponsor and investigators
- Lead sponsor
- Medical University of Vienna
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Mathias Maleczek, Medical University of Vienna
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06986200
- Sponsor's protocol ID
- MultiCPR_3
- Acronym
- MultiCPR3
- Status last verified
- Dec 2025
- First submitted
- 13 May 2025
- Last updated
- 2 Jan 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 2 Jan 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- MultiCPR: The Influence of Firefighter's PPE on Chest Compressions
- ClinicalTrials.gov ID
- NCT06986200
- Acronym / sponsor ID
- MultiCPR3 / MultiCPR_3
- Conditions
- Cardiac Arrest (CA), Occupational Health
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 38 participants (actual)
- Lead sponsor
- Medical University of ViennaUniversity, hospital or other
- Study start
- 16 Jun 2025 (actual)
- Primary completion
- 1 Dec 2025 (actual)
- Study completion
- 1 Dec 2025 (actual)
- First posted
- 22 May 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The aim of this clinical study is to evaluate the impact of wearing firefighters' personal protective equipment (PPE) on the quality of chest compressions during simulated resuscitation scenarios. The study compares the effects of one-minute versus two-minute intervals for switching the individual performing compressions.
How does the clinical trial work? This randomized cross over trial will be conducted in several locations and will involve a total of 38 fire-fighters. The study will be conducted by the Department of Anesthesiology of the Medical University of Vienna.
Participation in this clinical study is expected to last 30 minutes in total. Participants are randomized to either one or two minute intervalls of performing chest compressions in teams of two. After a cooling-of phase of at least 24 hours, they will be switched to the other group.
Chest compressions will be performed for 12 minutes in full firefighter's PPE. Primary outcome will be chest compression depth.
Study design
- Primary purpose
- Health services research
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- Single blind (outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| One minute rotation intervals | Active comparator | Procedure: Chest Compressions, Procedure: One minute rotation intervallChest compressions will be done with one minute rotation intervals |
| Two minute rotation intervals | Active comparator | Procedure: Chest Compressions, Procedure: Two minute rotation intervallChest compressions will be done with two minute rotation intervals |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (3 listed)
- Healthy fire-fighters trained in CPR
- CPR Training in the last four years
- Fit and rested
Key exclusion criteria (1 listed)
- Pregnant participants
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Chest CompressionsPerforming chest compressions in full firefighter's personal protcetion equipment | Procedure or surgery | One minute rotation intervals, Two minute rotation intervals |
| One minute rotation intervallChest compressions using a one minute rotation intervall | Procedure or surgery | One minute rotation intervals |
| Two minute rotation intervallChest compressions using a two minute rotation intervall | Procedure or surgery | Two minute rotation intervals |
Primary outcome
Chest Compressions depth
Time frame: during 12 minutes of chest compressions. 2x12 = 24minutes in total per participant
depth in milimeter
2 secondary outcomes
Chest compression rate
Time frame: during 12 minutes of chest compressions. 2x12 = 24minutes in total per participant
Incomplete recoil (leaning) during chest compressions
Time frame: during 12 minutes of chest compressions. 2x12 = 24minutes in total per participant
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 2 Jan 2026.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Chest Compressions, One minute rotation intervall and Two minute rotation intervall in people with Cardiac Arrest (CA) and Occupational Health, run by Medical University of Vienna at 1 site in Austria.
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 1 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 2 Jan 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Austria. 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?
Chest Compressions depth (time frame: during 12 minutes of chest compressions. 2x12 = 24minutes in total per participant). 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 2 Jan 2026.