Effect of Aerosol Filtering on Infectious Diseases in Day Care

May 10, 2023 updated by: Ville Vartiainen, Helsinki University Central Hospital
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 Overview

Status

Active, not recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

92

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Finland
      • Helsinki, Finland
        • City of Helsinki Day care

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Subject is expected to be in the same day care unit for the duration of the study

Exclusion Criteria:

  • Subject is known not to be in the same day care unit for the duration of the study

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Non-Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Other: Arm 1
Two of the four participating day care units are allocated in arm 1
Other: Air purification
Aerosol particles are removed from room air by several methods
Other: Arm 2
Two of the four participating day care units are allocated in arm 2
Other: Air purification
Aerosol particles are removed from room air by several methods

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
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
During the study periods 11/22-4/23 and 11/23-4/24. These are identical for every subject.

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
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.
Days absent from work by the parents of sick children
During the study periods 11/22-4/23 and 11/23-4/24. These are identical for every subject.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Helsinki University Central Hospital

Investigators

  • Principal Investigator: Ville Vartiainen, MD, PhD, Helsinki University Central Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

November 1, 2022

Primary Completion (Anticipated)

April 30, 2024

Study Completion (Anticipated)

April 30, 2024

Study Registration Dates

First Submitted

September 28, 2022

First Submitted That Met QC Criteria

October 3, 2022

First Posted (Actual)

October 6, 2022

Study Record Updates

Last Update Posted (Estimate)

May 11, 2023

Last Update Submitted That Met QC Criteria

May 10, 2023

Last Verified

May 1, 2023

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • PK-1

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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