DIY insulin systems under the microscope: safe for exercise?

NCT ID NCT05626725

Completed Knowledge-focused Sponsor: Institut de Recherches Cliniques de Montreal Source: ClinicalTrials.gov ↗

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

Summary

This study looked at how automated insulin delivery (AID) systems, including homemade DIY versions, perform in physically active adults with type 1 diabetes. Over six weeks, 76 participants wore their own AID systems and a fitness tracker while sharing glucose and insulin data. The goal was to see if these systems keep blood sugar stable during and after exercise, reducing the risk of dangerous lows.

What this could mean

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

Active substance: automated insulin delivery system (device)
What this could lead to: If successful, this study could show that DIY automated insulin systems are safe and effective for active adults, potentially expanding access to this technology.
What could go wrong: This is a small observational study with only 76 participants, so results may not apply to everyone. DIY systems are not regulated, and the study does not test a new treatment.

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Conditions

The condition(s) this trial relates to.

latent autoimmune diabetes in adults type 1 diabetes mellitus

As listed by the trial registrant

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

TYPE 1 DIABETES

Contacts and locations

Locations

Institut de Recherches Cliniques de Montréal (IRCM)

Montreal, Quebec, H2W 1R7, Canada

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