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Could a special light keep nursing home residents healthier?

NCT ID NCT07511881

Prevention Sponsor: Vejle Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether far-UVC light (222 nm) can reduce infections in elderly nursing home residents. Over 600 residents in 12 Danish facilities took part. Some facilities used the light in common areas or apartments, while others received standard care. The goal was to see if the light lowers hospitalizations from infections like pneumonia and urinary tract infections.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

635 people

The number who actually took part.

Started

Nov 2024

Finished

Apr 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Public LTC facilities in Vejle Municipality and the residents living in these facilities. Exclusion Criteria: LTC facilities: 1) non-standardized buildings (building type or layout); 2) facilities with an increased risk of infections, such as those sharing common areas with kindergartens; and 3) facilities for individuals with dementia. Residents receiving respite care or living in assisted-living facilities.

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Conditions

The condition(s) this trial relates to.

Infections infectious disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Infection

Contacts and locations

Locations

  • Research Unit of Clinical Microbiology

    Vejle, 7100, Denmark

More trials for these conditions

Other studies related to the condition(s) this trial covers.