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Acute Respiratory InfectionPhase 2REMASKNCT06885229

Reusable Face Masks to Reduce Risk of Viral Respiratory Infections and Asthma Exacerbations

A Phase 2 study testing FloMask - reuseable face mask in people with Acute Respiratory Infection and Asthma Exacerbations, run by Queen Mary University of London at 1 site in United Kingdom.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

REMASK trial is a Trial within Cohort study (TwiCs), nested within the COVIDENCE UK longitudinal study. It has been designed to determine whether the offer of a free reusable, elastomeric face mask to adults with asthma and other members of their household reduces risk of RT-PCR confirmed viral respiratory infections… Read more about this study

Who is it for?
Ages 16 years and olderHealthy volunteers can take part
What is being tested?
FloMask - reuseable face mask
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
1 siteUnited Kingdom
Study dates
27 Mar 2025to 1 Apr 2025
Phase
Phase 2
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 16 years and older
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult, Older adult

Who may be able to join

  • Aged 16 or more years
  • Doctor diagnosis of asthma
  • Current prescription for treatment of asthma
  • Participant in COVIDENCE UK nasal swab study
  • Age 16 or more
  • Living in same household as index participant who has consented to take part in trial

Who cannot join

  • Regularly using any FFP-rated face mask when in an indoor public place
  • Currently sharing household with one or more children
  • Currently sharing household with one or more other COVIDENCE UK participants who have asthma
  • Unable to tolerate wearing face mask
  • Eligibility criteria, household members of index participants:
  • Unable to tolerate wearing face mask

Trial locations and contacts

1 site in 1 country.

United Kingdom1 site
  • Queen Mary University of London

    London, Greater London

Other trials in United Kingdom

About this study

Official title: Reuseable Face Masks to Reduce Risk of Viral Respiratory Infections and Exacerbations in Adults With Asthma: a Randomised Controlled Trial

REMASK trial is a Trial within Cohort study (TwiCs), nested within the COVIDENCE UK longitudinal study. It has been designed to determine whether the offer of a free reusable, elastomeric face mask to adults with asthma and other members of their household reduces risk of RT-PCR confirmed viral respiratory infections and asthma exacerbations.

Being tested
FloMask - reuseable face mask
Keywords
Upper Respiratory Infection, Acute Respiratory Infection, Asthma Exacerbation, Lower Respiratory Infection, Reusable Face Mask
Medical subject headings
Respiratory Tract Infections

What participants receive

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

  • FloMask - reuseable face maskDevice

    Reuseable, elastomeric face mask with replaceable filters

Study groups in NCT06885229
Study groupRoleWhat they receive
InterventionExperimentalOffer of free reusable elastometic face mask and 12-month supply of replaceable filters to index participants with asthma and their adult household members
Receives: Device: FloMask - reuseable face mask
ControlNo interventionUsual asthma care without offer of intervention above

What is being measured

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

  1. Time to first RT-PCR-proven viral respiratory infection

    Measured: 12 months

Secondary outcomes (6)
  1. Time to first severe acute exacerbation of asthma (i.e. exacerbation requiring treatment with systemic corticosteroids and/or hospitalisation or emergency department visit)

    Measured: 12 months

  2. Time to first hospitalisation for treatment of acute respiratory infection or asthma exacerbation

    Measured: 12 months

  3. Time to first antibiotic prescription for treatment of acute respiratory infection

    Measured: 12 months

  4. Rate of RT-PCR-proven / symptom defined acute respiratory infections

    Measured: 12 months

  5. Cost per viral respiratory infection averted

    Measured: 12 months

  6. Cost per severe asthma exacerbation averted

    Measured: 12 months

Timeline

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

  1. First posted20 Mar 2025
  2. Study start27 Mar 2025
  3. Primary completion1 Apr 2025
  4. Study completion1 Apr 2025

Why it stopped: Diminished minimum sample size needed to detect any effect of the intervention due to TwiCs study design, control arm participants were already recruited to the parent study (COVIDENCE UK).

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 2
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06885229
Sponsor's protocol ID
176722
Other IDs
352721
Acronym
REMASK
Status last verified
May 2025
First submitted
18 Mar 2025
Last updated
20 May 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: De-identified IPD will be shared with other researchers subject to terms of Data Transfer Agreement and IRB approval

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing FloMask - reuseable face mask in people with Acute Respiratory Infection and Asthma Exacerbations, run by Queen Mary University of London at 1 site in United Kingdom.

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 6 inclusion and 6 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: withdrawn, as of the sponsor's last update on 20 May 2025. 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 United Kingdom. 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.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

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?

Time to first RT-PCR-proven viral respiratory infection (time frame: 12 months). 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 20 May 2025.

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