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Nudge, nudge: simple texts could curb diabetes epidemic

NCT ID NCT04869917

Prevention Sponsor: Northwestern University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether easy-to-use tools like a decision aid and text messages can encourage people with prediabetes to take proven steps—like joining a lifestyle program or taking metformin—to prevent type 2 diabetes. Nearly 1,000 adults from primary care clinics are taking part. The goal is to find practical, low-cost ways to make diabetes prevention a routine part of healthcare.

What this could mean

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

Active substance
behavioral nudges (decision aid and text messaging)
What this could lead to
If successful, this could provide a low-cost, scalable way to help millions of people with prediabetes prevent or delay type 2 diabetes.
What could go wrong
The nudges are simple and may not be strong enough to change behavior in many people. The trial is also still ongoing, so results are not yet final.

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 960 people

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

Started

Mar 2022

Expected to finish

Sep 2026

An estimate. End dates often move.

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

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: * adult patients (aged 18-80 years) * with prediabetes * overweight/obesity (BMI ≥25kg/m2) * patients who speak English or Spanish Exclusion Criteria: * type 2 diabetes * dementia * serum creatinine \>1.4mg/dL in women and \>1.5mg/dL in men * current use of oral corticosteroids * current pregnancy * uncontrolled hypertension (≥180/100mmHg) * history of metformin use * no office visits during the last 12 months

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Conditions

The condition(s) this trial relates to.

prediabetes syndrome type 2 diabetes mellitus prevention target

As listed by the trial registrant

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

Prediabetes

Contacts and locations

Locations

  • Northwestern University

    Chicago, Illinois, 60611, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.