Could hot and cold weather mess with your insulin?

NCT ID NCT07491133

Not yet recruiting Knowledge-focused Sponsor: Institut de Recherches Cliniques de Montreal Source: ClinicalTrials.gov ↗

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

Summary

This study looks at how different temperatures—cold, normal, and hot—affect blood sugar levels and insulin absorption in adults with type 1 diabetes. Thirty participants will sit in a special room at each temperature for two hours while researchers monitor their blood sugar, heart rate, and insulin levels. The goal is to understand if people with type 1 diabetes need special advice for managing their blood sugar during extreme weather.

What this could mean

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

Active substance: Environmental temperature exposure (cold, neutral, hot/humid)
What this could lead to: If successful, this study could provide guidance for people with type 1 diabetes on managing blood sugar during extreme weather.
What could go wrong: This is a small, early-stage study with only 30 participants, so results may not apply to everyone. It is designed to gather knowledge, not to test a new treatment.

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Conditions

The condition(s) this trial relates to.

hypoglycemia type 1 diabetes mellitus

As listed by the trial registrant

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

TYPE 1 DIABETES MELLITUS

Contacts and locations

Locations

Institut de recherches cliniques de Montréal

Montreal, Quebec, H2W 1R7, Canada

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