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Exercise and a diabetes drug: a One-Two punch for blood vessels?

NCT ID NCT03883412

Disease control Sponsor: University of Virginia 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 12, 2026 · Last updated Aug 13, 2026 · Updated 1 time

Summary

This trial tests whether 16 weeks of exercise training, liraglutide treatment, or both can improve blood vessel function and insulin sensitivity in adults with type 2 diabetes. Participants are randomly assigned to one of three groups and are studied before and after the intervention. The study measures changes in capillary blood volume, artery flexibility, and how well insulin works.

What this could mean

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

Active substance
Exercise training and/or liraglutide (a GLP-1 receptor agonist drug)
What this could lead to
If successful, this could point toward better non-insulin strategies to improve blood vessel function and insulin action in type 2 diabetes.
What could go wrong
This is a relatively small, 16-week study, so results may not be definitive or apply to all people with diabetes. Liraglutide can cause gastrointestinal side effects, and exercise may be challenging for some participants.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 60 people

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

Started

Feb 2019

Expected to finish

Dec 2027

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

21 to 60 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: * Age 21-60 * A1C ≤ 8.5% * Never on GLP-1RA (eg: exenatide, liraglutide) or DPP4I ( eg: Sitaglipton) * On stable dose of oral hypoglycemic agents \>4 months * On stable dose of other medications for \>4 months Exclusion Criteria: * Taking Insulin * Smoking presently or in the past 6 months * BP \>160/90 * BMI \>35 * Family history of medullary thyroid cancer or multiple endocrine neoplasia syndrome * History of congestive heart failure, ischemic heart disease, severe pulmonary disease, liver or kidney disease. * Any vascular disease such as myocardial infarction, stroke, peripheral vascular disease * Presence of an intracardiac or intrapulmonary shunt (we will screen for this by auscultation during the physical exam by PI). * Pregnant or breastfeeding. * Known hypersensitivity to perflutren (contained in Definity)

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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.

TYPE2 diabetes

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

  • University of Virginia

    RECRUITING

    Charlottesville, Virginia, 22906, United States

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