Could a simple sugar help people with type 1 diabetes exercise safely?
NCT ID NCT05557227
First seen Jun 29, 2026 · Last updated Jun 30, 2026 · Updated 1 time
Summary
This study investigates whether drinking galactose before cycling can prevent low blood sugar (hypoglycemia) in people with type 1 diabetes. Fourteen participants will try four different drinks—dextrose, galactose, lactose, or a sweetened placebo—on separate days, then cycle for an hour. Researchers will measure how long it takes for blood sugar to drop and how much extra glucose is needed to keep levels safe. The goal is to find a better carbohydrate supplement for exercise management.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
galactose
What this could lead to
If galactose works better than other sugars, it could offer a simple way for people with type 1 diabetes to exercise with less risk of dangerously low blood sugar.
What could go wrong
This is a small, early-stage study with only 14 participants, so results may not apply to everyone. Galactose might not prevent hypoglycemia as hoped, and individual responses can vary.
Disclaimer
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the original study
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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.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Steno Diabetes Center Aarhus
Aarhus, Region Midt, 8200, Denmark