Small study tests blood sugar targets before exercise in type 1 diabetes
NCT ID NCT05821322
First seen Mar 16, 2026 · Last updated Jun 22, 2026 · Updated 19 times
Summary
This small, terminated trial aimed to find the best blood glucose target to set 60 minutes before moderate aerobic exercise in adults with type 1 diabetes who use do-it-yourself automated insulin delivery (DIY-AID) systems. Researchers planned to test three different glucose targets (8.3, 8.8, and 9.3 mmol/L) in 32 participants, but only 6 enrolled before the study was stopped. The goal was to see which target leads to the smallest drop in blood sugar during exercise and helps prevent hypoglycemia.
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This is a summary of
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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Contacts and locations
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Locations
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Institut de recherches cliniques de Montréal
Montreal, Quebec, H2W1R7, Canada
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
aerobic exercise (ergocycle) at 60% VO2 peak
What this could lead to
If successful, this could help people with type 1 diabetes using DIY automated insulin delivery systems choose the best blood glucose target before exercise to reduce hypoglycemia risk.
What could go wrong
The trial was terminated early with only 6 participants, so results are very limited and may not apply to others. It was a small, early-stage study testing different glucose targets, not a treatment.
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.