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Can an app and cash rewards tame type 1 diabetes in young adults?

NCT ID NCT04646473

Disease control Sponsor: Trustees of Dartmouth College 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 13, 2026 · Last updated Aug 14, 2026 · Updated 1 time

Summary

This trial tests a digital health program designed to help young adults with type 1 diabetes improve their blood sugar control. Participants use the SweetGoals app to set and track behavioral goals, and some also receive financial incentives for meeting those goals or access to web health coaching. The study aims to see if these digital tools can lead to better HbA1c levels over a year.

What this could mean

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

Active substance
A digital health intervention combining the SweetGoals app, financial incentives, and web health coaching
What this could lead to
If effective, this digital approach could offer a scalable way to help young adults with type 1 diabetes better manage their blood sugar levels.
What could go wrong
The trial is early and results may not show a significant improvement. Success depends on participants consistently using the app and engaging with coaching.

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

300 people

The number who actually took part.

Started

Jul 2021

Finished

Apr 2025

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

19 to 29 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: * Have a diagnosis of T1D for \>18 months * Have A1c ≥7.5% * Report a visit with physician managing type 1 diabetes (T1D) within the previous 6 months * Participants must use a glucometer or continuous glucose monitor compatible with Glooko. Exclusion Criteria: * Pregnancy or breast feeding * Severe medical illness that would preclude participation (e.g., cystic fibrosis, developmental disability, severe cognitive impairment) * Psychiatric illness that would preclude participation * Diabetes diagnoses other than T1D (Type 2 Diabetes, Maturity Onset Diabetes of the Young/MODY) * Use of any medications known to impact glycemic control (oral or injectable corticosteroids, beta-blockers, antipsychotic medications such as risperidone). * A history of known hemoglobinopathy, anemia, or transfusion (which could alter the validity of HbA1c measurement) * Already being engaged in a psychological intervention targeting diabetes adherence.

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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

Contacts and locations

Locations

  • Dartmouth College

    Hanover, New Hampshire, 03755, United States

More trials for these conditions

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