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Can simple changes shield outdoor workers from climate dangers?

NCT ID NCT07634952

Knowledge-focused Sponsor: University of Cyprus Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether combining simple behavioral tips (like taking breaks in the shade) with indoor air cleaners can lower outdoor workers' exposure to heat and air pollution. About 102 healthy outdoor workers in Spain and Greece will wear sensors and provide samples over three months. The goal is to see if these measures reduce heat strain and improve health.

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

About 102 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2026

Expected to finish

Jul 2027

An estimate. End dates often move.

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

18 to 65 years

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: * 18-65 years old * Municipality outdoor workers * Regularly working outdoors for al least 6 hours per day * Living in León (Spain) or Trikala (Greece) * Clinically healthy * No history of diabetes mellitus type 2 (DM2) * No history of arterial hypertension Exclusion Criteria: * Currently smoking * Presence of any smoking residents in the household * Not residing at the household for at least 5 days a week * Planning to move from the current home within the next two months * No access to Wi-Fi or 4G/5G mobile phone * Severe chronic conditions (congestive heart failure, ischemic heart disease, significant valvular heart disease, DM2, inflammatory diseases, renal failure, or active cancer) * Drugs abuse * Alcohol abuse * Psychiatric disorders * Severe mental disability that interferes with answering questions or following instructions

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As listed by the trial registrant

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

Heat strain

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites in 2 countries. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of Léon

    RECRUITING

    León, Spain

  • University of Thessaly

    RECRUITING

    Trikala, Greece

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