Could a weekly shot help people with type 1 diabetes lose weight and control blood sugar?

NCT ID NCT05537233

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tested a weekly injection of semaglutide (a drug used for type 2 diabetes and weight loss) in 115 adults with type 1 diabetes and obesity who already use an automated insulin pump. The goal was to see if adding semaglutide helps improve blood sugar levels, reduce hypoglycemia, and lower body weight. Participants received either semaglutide or a placebo for 26 weeks.

What this could mean

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

Active substance

semaglutide

What this could lead to

If successful, this could offer a new way to improve blood sugar control and reduce weight in people with type 1 diabetes who are overweight.

What could go wrong

This is a small, early-phase trial (Phase 2) with only 115 participants. Results may not apply to everyone, and semaglutide can cause side effects like nausea or vomiting.

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.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for OBESITY are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

Obesity obesity disorder type 1 diabetes mellitus Weight Loss

As listed by the trial registrant

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

Contacts and locations

Locations

  • Barbara Davis Center for Diabetes

    Aurora, Colorado, 80045, United States

  • Harold Schnitzer Diabetes Health Center

    Portland, Oregon, 97239, United States

  • Henry Ford Hospital

    Detroit, Michigan, 48202, United States

  • Iowa Diabetes Research Center

    West Des Moines, Iowa, 50265, United States