Before or after? study tests best time for insulin in type 1 diabetes
NCT ID NCT02546401
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether taking a fast-acting insulin (Insulin Aspart) before or after meals makes a difference in blood sugar control for people with type 1 diabetes who use an insulin pump. Twenty-two adults participated, and their blood sugar was tracked continuously for 14 days. The goal was to see if injecting after meals, which many patients already do, is a safe and effective option.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Insulin Aspart
- What this could lead to
- If successful, this could clarify whether taking insulin after meals is as effective as before meals, giving patients more flexibility in managing their diabetes.
- What could go wrong
- This is a small, completed trial with only 22 participants, so results may not apply to everyone. It does not test a new treatment, only timing of an existing one.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
-
22 people
The number who actually took part.
- Start date
-
Sep 2015
- Finished
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Mar 2016
- Lead sponsor
-
Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
-
18 to 80 years
- Sex
-
Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Major patients with type 1 diabetes treated with insulin pump. Exclusion Criteria: * Unbalanced diabetes, * Ongoing pregnancy known, * Gastrointestinal neuropathy known, * Chronic medical illness and psychiatric
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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
Locations
-
CHRU Brest
Brest, 29200, France
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Other studies related to the condition(s) this trial covers.
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