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Could a bladder pill help prevent diabetes?

NCT ID NCT04666636

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 26, 2026 · Last updated Jul 08, 2026 · Updated 3 times

Summary

This phase 2 trial is testing whether mirabegron, a drug currently used for overactive bladder, can improve glucose tolerance and activate brown fat in people with prediabetes. Researchers will enroll 65 adults with a BMI of 27-45 and prediabetes. Participants will take mirabegron or a placebo daily for 16 weeks, and the study will measure changes in blood sugar, body composition, and metabolism.

What this could mean

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

Active substance
Mirabegron (Myrbetriq)
What this could lead to
If it works, this could point toward a new treatment for prediabetes that improves blood sugar control and metabolism.
What could go wrong
This is a small, early-phase trial with only 65 participants. The drug is already approved for overactive bladder, but its effect on prediabetes is unproven, and side effects are possible.

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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 65 people

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

Started

Dec 2020

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

35 to 65 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: * BMI 27-45 * prediabetes (A1c 5.7-6.4) * impaired fasting glucose or impaired glucose tolerance Exclusion Criteria: * diabetes * chronic use of anti-diabetic medication * acute or chronic inflammatory condition * unstable medical condition * cancer * renal insufficiency * any contraindication for Mirabegron * BMI \>45

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

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 Kentucky

    RECRUITING

    Lexington, Kentucky, 40536, United States

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