Upper Respiratory Tract InfectionNCT05569330
Effect of Aerosol Filtering on Infectious Diseases in Day Care
A study testing Air purification in people with Upper Respiratory Tract Infection and Diarrhea, run by Helsinki University Central Hospital at 1 site in Finland.
Trial summary
Effect of aerosol flitration and removal on typical infectious diseases such as upper respiratory tract infectinos is studied in day care. Many filtration methods such as filters and electrical filtering are used to remove aerosol particles from room air. Read more about this study
- Who is it for?
- Any ageHealthy volunteers can take part
- Conditions the study is for
- Upper Respiratory Tract Infection, Diarrhea
- What is being tested?
- Air purification
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 92 participants
- Where
- 1 siteFinland
- Study dates
- 1 Nov 2022to 30 Apr 2024
- 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 Any age
- All sexes
- Healthy volunteers accepted
- Child, Adult, Older adult
Who may be able to join
- Subject is expected to be in the same day care unit for the duration of the study
Who cannot join
- Subject is known not to be in the same day care unit for the duration of the study
Trial locations and contacts
1 site in 1 country.
About this study
Effect of aerosol flitration and removal on typical infectious diseases such as upper respiratory tract infectinos is studied in day care. Many filtration methods such as filters and electrical filtering are used to remove aerosol particles from room air.
- Conditions
- Upper Respiratory Tract Infection, Diarrhea
- Being tested
- Air purification
- Medical subject headings
- Respiratory Tract Infections, Diarrhea
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Air purificationOther
Aerosol particles are removed from room air by several methods
| Study group | Role | What they receive |
|---|---|---|
| Arm 1 | Other | Two of the four participating day care units are allocated in arm 1 Receives: Other: Air purification |
| Arm 2 | Other | Two of the four participating day care units are allocated in arm 2 Receives: Other: Air purification |
What is being measured
The primary outcome is the main question the study is designed to answer.
Incident infections
Incident infections among subjects
Measured: During the study periods 11/22-4/23 and 11/23-4/24. These are identical for every subject.
Secondary outcomes (1)
Days absent from work
Days absent from work by the parents of sick children
Measured: During the study periods 11/22-4/23 and 11/23-4/24. These are identical for every subject.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted6 Oct 2022
- Study start1 Nov 2022
- Primary completion30 Apr 2024 (estimated)
- Study completion30 Apr 2024 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Upper Respiratory Tract InfectionStudies of the same condition, open and under way.
- More trials run by Helsinki University Central HospitalThe 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
- Prevention
- Allocation
- Non-randomised
- Intervention model
- Crossover
- Masking
- Single blind
- Who is masked
- Participant
- Enrolment
- 92 participants (actual)
Sponsor and investigators
- Lead sponsor
- Helsinki University Central Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Ville Vartiainen, Helsinki University Central Hospital
- Investigators
- Ville Vartiainen, MD, PhD, Principal investigator, Helsinki University Central Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05569330
- Sponsor's protocol ID
- PK-1
- Status last verified
- May 2023
- First submitted
- 28 Sep 2022
- Last updated
- 11 May 2023
- 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 11 May 2023. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Effect of Aerosol Filtering on Infectious Diseases in Day Care
- ClinicalTrials.gov ID
- NCT05569330
- Acronym / sponsor ID
- PK-1
- Conditions
- Upper Respiratory Tract Infection, Diarrhea
- Study type
- Interventional
- Recruitment status
- Unknown status
- Enrolment
- 92 participants (actual)
- Lead sponsor
- Helsinki University Central HospitalUniversity, hospital or other
- Study start
- 1 Nov 2022 (actual)
- Primary completion
- 30 Apr 2024 (estimated)
- Study completion
- 30 Apr 2024 (estimated)
- First posted
- 6 Oct 2022 (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.
Effect of aerosol flitration and removal on typical infectious diseases such as upper respiratory tract infectinos is studied in day care. Many filtration methods such as filters and electrical filtering are used to remove aerosol particles from room air.
Study design
- Primary purpose
- Prevention
- Allocation
- Non-randomised
- Intervention model
- Crossover
- Masking
- Single blind (participant)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Arm 1 | Other | Other: Air purificationTwo of the four participating day care units are allocated in arm 1 |
| Arm 2 | Other | Other: Air purificationTwo of the four participating day care units are allocated in arm 2 |
Who may qualify
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child, Adult, Older adult
Key inclusion criteria (1 listed)
- Subject is expected to be in the same day care unit for the duration of the study
Key exclusion criteria (1 listed)
- Subject is known not to be in the same day care unit for the duration of the study
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 |
|---|---|---|
| Air purificationAerosol particles are removed from room air by several methods | Other | Arm 1, Arm 2 |
Primary outcome
Incident infections
Time frame: During the study periods 11/22-4/23 and 11/23-4/24. These are identical for every subject.
Incident infections among subjects
1 secondary outcome
Days absent from work
Time frame: During the study periods 11/22-4/23 and 11/23-4/24. These are identical for every subject.
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 11 May 2023.
- 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.
Ville Vartiainen, MD, PhD principal investigator
Helsinki University Central Hospital
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Air purification in people with Upper Respiratory Tract Infection and Diarrhea, run by Helsinki University Central Hospital at 1 site in Finland.
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 1 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: status not confirmed, as of the sponsor's last update on 11 May 2023. 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 Finland. 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?
Results are not available in the source record.
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?
Incident infections (time frame: During the study periods 11/22-4/23 and 11/23-4/24. These are identical for every subject.). 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 11 May 2023.