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Could your sleep and meal timing in early pregnancy predict diabetes?

NCT ID NCT07534670

Knowledge-focused Sponsor: KK Women's and Children's Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Sep 16, 2026 · Updated 3 times

Summary

This pilot study looks at how sleep, physical activity, and meal timing in early pregnancy relate to blood sugar patterns and the risk of gestational diabetes. Researchers will track 140 pregnant women using wearable devices and an AI food-logging app. The goal is to see if real-time self-monitoring can improve blood sugar control compared to usual care.

What this could mean

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

What this could lead to
If successful, this study could help identify early behavioral patterns that predict gestational diabetes, leading to simple lifestyle interventions to reduce risk.
What could go wrong
This is a small pilot study (140 participants) that is not yet recruiting. It aims to gather data, not test a treatment, so direct health benefits are uncertain and results may not apply to all pregnant women.

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

About 140 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2026

Expected to finish

Jun 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

21 to 39 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Enrolled in the Towards Optimal Fertility, Fathering and Fatherhood studY (TOFFFY) (NCT06293235) * Females who are currently pregnant and with viable intrauterine pregnancy at ≤13 weeks gestation at enrolment Exclusion Criteria: * Females with pre-existing diabetes mellitus (Type 1 or Type 2) and/or chronic medical conditions affecting glucose metabolism * Females who are taking medications known to significantly affect glucose metabolism * Females with multiple pregnancy (e.g., twins or higher-order gestation) * Females who are unable to comply with study procedures, including: Inability to use smartphone-based applications and inability to wear wrist actigraphy device

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Conditions

The condition(s) this trial relates to.

circadian rhythm sleep disorder metabolic disease sleep disorder gestational diabetes prevention target

As listed by the trial registrant

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

Actigraphy Blood glucose profile Chronobiology Circadian rhythm Continuous glucose monitoring Diabetes, gestational Diet during pregnancy Gestational diabetes mellitus in pregnancy Glucose intolerance during pregnancy Meal time Metabolic diseases Mobile applications Pilot study Pregnancy Randomized controlled trial Sleep Wearable electronic devices

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • KK Women's and Children's Hospital

    RECRUITING

    Singapore, Singapore, 229899, Singapore

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