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Heart pump Patients' blood sugar tests under scrutiny

NCT ID NCT05933161

Knowledge-focused Sponsor: Mayo Clinic 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether the standard A1C blood sugar test works correctly in people with a Left Ventricular Assist Device (LVAD), a type of heart pump. Researchers will compare A1C results with continuous glucose monitor (CGM) readings over 3 months in 20 adults with type 2 diabetes. The goal is to see if CGMs provide better blood sugar control and help avoid dangerous lows.

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.

Participants

About 20 people

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

Started

Nov 2023

Expected to finish

Jul 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.

Who is studied

Subjects diagnosed with Type 2 Diabetes Mellitus who have a Left Ventricular Assist Device (LVAD) will be recruited from the LVAD clinic at Mayo Clinic in Rochester, MN.

Ages

18 years and older

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: * Prior implantation of contemporary, centrifugal flow LVAD (HeartWare or HeartMate 3) at any time after 2010 * Diagnosis of type II diabetes mellitus * Any antihyperglycemic regimen * Greater than 3 months out from LVAD implantation * Capable of utilizing smartphone device for LibreLink app for uploading glycemic data * Patients may be enrolled who have preexisting CGM in place. Exclusion Criteria: * Type I diabetics * Unable to return at 3 month evaluation * Unwillingness to participate

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Conditions

The condition(s) this trial relates to.

hyperglycemia hypoglycemia type 2 diabetes mellitus

As listed by the trial registrant

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

Hyperglycemia Hypoglycemia Type 2 diabetes mellitus

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

  • Mayo Clinic in Rochester

    RECRUITING

    Rochester, Minnesota, 55905, United States

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