New study tests if low oxygen makes heat stress worse for workers

NCT ID NCT07664462

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether low oxygen levels (like at high altitudes) increase the risk of heat stress during moderate work in hot environments. Twenty healthy young and older men will walk on a treadmill in a hot room, once with normal oxygen and once with low oxygen. Researchers will measure body temperature, heart strain, and other signs to see if current safety guidelines need updating for combined heat and low-oxygen conditions.

What this could mean

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

What this could lead to

If successful, this study could lead to better safety guidelines for workers exposed to both heat and low oxygen, such as at high altitudes.

What could go wrong

This is a small, early-stage study with only 20 healthy male participants, so results may not apply to women or people with health conditions. It is designed to gather knowledge, not to test a treatment.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

altitude sickness Body Temperature Changes Heat Stress Disorders Hyperthermia Hypoxia Motor Activity occupation-related stress disorder Occupational Stress

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • University of Ottawa

    RECRUITING

    Ottawa, Ontario, K1N 6N5, Canada

    Contact Phone: •••-•••-•••• Email: •••••@•••••