App that learns your habits could help tame diabetes

NCT ID NCT04226027

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a smartphone app called T2.coach that tracks diet, blood sugar, activity, and sleep, then uses machine learning to give personalized behavioral goals. About 280 adults with type 2 diabetes and high blood sugar used the app for 6 months alongside standard diabetes education. The goal was to see if the app helped lower HbA1c levels compared to usual care alone.

What this could mean

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

Active substance

T2.coach smartphone app with personalized behavioral goals

What this could lead to

If it works, this could offer a practical, low-cost way for people with type 2 diabetes to improve blood sugar control through personalized lifestyle tips.

What could go wrong

This is a completed trial with 300 participants, but the app is only a behavioral tool—it won't replace medication or cure diabetes. Success depends on long-term user engagement.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

type 2 diabetes mellitus

As listed by the trial registrant

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

Contacts and locations

Locations

  • Clinical Directors Network

    New York, New York, 10018, United States

  • Columbia University Irving Medical Center

    New York, New York, 10032, United States