Race day blood sugar spike: study probes stress effect on athletes with type 1 diabetes

NCT ID NCT05561517

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

First seen Jun 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time

Summary

This study investigates why athletes with type 1 diabetes often experience higher blood sugar during competitions compared to regular training. Researchers will monitor 12 athletes with type 1 diabetes and 12 healthy athletes during a 5K race and a 5K training session, measuring blood sugar, stress hormones, and heart rate. The goal is to understand how competition stress affects glucose levels, which could help athletes better manage their diabetes.

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 stress-induced hyperglycemia is better understood, it could help athletes with type 1 diabetes manage their blood sugar more effectively during competitions.
What could go wrong: This is a small observational study with only 24 participants, so findings may not apply to all athletes with type 1 diabetes. The results are exploratory and not a treatment.

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Conditions

The condition(s) this trial relates to.

hyperglycemia type 1 diabetes mellitus

As listed by the trial registrant

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

HYPERGLYCEMIA STRESS TYPE 1 DIABETES

Contacts and locations

Locations

Steno Diabetes Center Aarhus

Aarhus, Region Midt, 8200, Denmark

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