Cooling Solutions for Outdoor Workers

Completed · Not applicable

Conditions studied: Hyperthermia, Heat Acclimation and Thermotolerance

In brief

The investigators aim to test the effectiveness of two cooling interventions in reducing the core temperature of outdoor workers.

Key facts

Study ID

NCT06998667

Run by

Stanford University

People needed

40

Starts

2025-06-24

Expected to finish

2026-01-05

Last updated by the study team

2026-04-29

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age ≥ 18
• Anticipated to be working in the same job category for the duration of the study
• Able to communicate in English or Spanish

You may not qualify if…

• Cannot provide informed consent
• Weight less than 40 kg
• Inability to swallow pills
• Known history of having a pacemaker or ICD
• Pregnancy as determined by self report and confirmed on Day 1
• Gastrointestinal disorders (e.g., gastroparesis, prior surgery on GI tract with the exception of appendectomy or cholecystectomy, diverticulosis or inflammatory bowel disease)
• Plan for an elective MRI in the 7 days post last planned pill ingestion

Where it is running

• Stanford University — Palo Alto, California, United States

Full record on ClinicalTrials.gov

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