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Can a bedtime snack tame overnight blood sugar swings in kids with diabetes?

NCT ID NCT07778147

Disease control Sponsor: Didem Güneş Kaya Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Aug 21, 2026 · Last updated Aug 21, 2026

Summary

This trial tests whether the type of bedtime snack affects overnight blood sugar levels in children and adolescents with type 1 diabetes who use multiple daily insulin injections. Participants will eat four different snacks—carbohydrate alone, with protein, with fat, or with fiber—at 9 PM for three nights each, in random order, without extra insulin. A continuous glucose monitor tracks blood sugar from 9 PM to 9 AM to see how often levels stay in the target range. The goal is to find which snack composition helps keep overnight glucose stable and reduce risky highs and lows.

What this could mean

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

Active substance
Bedtime snack composition (carbohydrate-only, carbohydrate-plus-protein, carbohydrate-plus-fat, carbohydrate-plus-fiber)
What this could lead to
If certain snacks keep blood sugar more stable overnight, this could help families choose better bedtime snacks to reduce dangerous highs and lows in children with type 1 diabetes.
What could go wrong
This is a small, early-stage crossover study with only 20 participants, so results may not apply to all children. Individual responses to snacks can vary widely, and the study does not test long-term outcomes.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

20 people

The number who actually took part.

Started

Nov 2020

Finished

Aug 2021

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

6 to 18 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.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: Age 6-18 years Diagnosis of type 1 diabetes for more than 1 year Completion of the remission period Treatment with multiple daily insulin injections Completion of all three stages of carbohydrate-counting education Ability to perform capillary blood glucose monitoring at least four times daily Total daily insulin dose \>0.5 U/kg/day Mean HbA1c \<9.6% during the preceding 3 months Exclusion Criteria: Insulin pump or sensor-augmented pump therapy Incomplete carbohydrate-counting education Impaired awareness of hypoglycemia Intestinal malabsorption Delayed gastric emptying Celiac disease or any other condition requiring dietary restriction Cystic fibrosis or other gastrointestinal disorders Diabetes-related chronic complications Physical or mental disability limiting adherence to study procedures Eating behavior disorders Active infection

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Conditions

The condition(s) this trial relates to.

type 1 diabetes mellitus

As listed by the trial registrant

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

Type 1 diabetes (T1D)

Contacts and locations

Locations

  • Istanbul University Cerrahpasa-Cerrahpasa Faculty of Medicine

    Istanbul, Fatih, 34098, Turkey (Türkiye)

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