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Can photos and education help outdoor workers beat the heat and breathe easier?

NCT ID NCT07713264

Knowledge-focused Sponsor: Stanford University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 20, 2026 · Last updated Sep 16, 2026 · Updated 3 times

Summary

This study tests whether a program that combines education on heat and air quality risks with a photovoice activity—where workers take photos and discuss their experiences—can help outdoor workers in California feel more empowered and engaged. About 50 outdoor workers and community members will be randomly assigned to either receive only educational materials or also participate in the photovoice program. Researchers will measure changes in self-efficacy, social cohesion, and community involvement over six months.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
a photovoice participatory action research program combined with educational materials on heat and air quality risks
What this could lead to
If successful, this approach could empower outdoor workers to advocate for safer working conditions and inform policies that reduce climate-related health risks.
What could go wrong
This is a small, early-stage study focused on measuring attitudes and behaviors, not health outcomes. The results may not apply to other regions or worker populations.

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 50 people

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

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

May 2029

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 years and older

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: * Participants must be 18 years or older. * Participants must be connected to the San Joaquin Valley, Monterey County, or Kings County as either an outdoor worker or community member. * Participants must have the capacity to verbally consent in English or Spanish * Participants must have the ability to walk or otherwise move around their community using the Discovery Tool. * Have a smartphone capable of loading the Discovery Tool OR willingness to use a TracFone provided by the research team Exclusion Criteria: * Inability to consent to the study. * Unable to navigate the Discovery Tool with reasonable technical guidance from the research team.

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As listed by the trial registrant

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

Air pollution exposure

How to take part

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  1. The places running it

    1 site. 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

  • Stanford University

    RECRUITING

    Stanford, California, 94306, United States

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