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Can shedding pounds help heart failure patients move better?

NCT ID NCT06930495

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Sep 04, 2026 · Updated 3 times

Summary

This observational study follows 95 people with heart failure and preserved ejection fraction who are already receiving weight loss treatment as part of their standard care. Researchers will measure muscle blood flow, fat content, and inflammation before and after at least 7% weight loss. The goal is to understand how excess weight harms muscle and heart function, and whether weight loss can reverse some of that damage.

What this could mean

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

Active substance
Weight loss medications (incretin-based drugs) as part of standard care
What this could lead to
If successful, this study could clarify how weight loss improves muscle function and exercise tolerance in people with heart failure and obesity.
What could go wrong
This is an observational study, not a controlled trial, so it cannot prove cause and effect. Results may not apply to all HFpEF patients.

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 95 people

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

Started

Dec 2024

Expected to finish

Jun 2028

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

Group 1: Patients with HFpEF \- UTSW HFpEF clinic: lead by Dr. Ambarish Pandey Group 2: non-HFpEF controls * subjects in the UTSW volunteer research registry who meet inclusion/exclusion criteria * community outreach (emailers, word of mouth, referrals)

Ages

18 years and older

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: Group 1: Patients with HFpEF * Diagnosis of heart failure or clear heart failure hospitalization * Stable ejection fraction \> 0.50 * Objective evidence of elevated left ventricular filling pressure by one of the following i) pulmonary capillary wedge pressure ≥25 mmHg during supine cardiopulmonary exercise testing or ii) a change in pulmonary capillary wedge pressure of \>15 mmHg during upright exercise * Must be candidates for pharmacological incretin-based directed intensive weight loss therapies as part of their SOC * BMI\>32kg/m2 * ≥45 years old * Incretin naïve for 6 months Group 2: Non-HFpEF controls * Adults who do not have heart failure with preserved ejection fraction * Age ≥ 18 years Exclusion Criteria: Group 1 * Prior history of reduced ejection fraction (\<50%) * Infiltrative cardiomyopathy * NYHA Class IV chronic heart failure * Left bundle branch block * Unstable coronary artery disease * Uncontrolled arrhythmia * CKD 4 or higher * Currently taking incretin-based drugs (SGL2, GLP1) * Severe valvular heart disease * BMI \> 50kg/m2 * Other debilitating illness that would preclude participation * Any contra-indication to MRI * Any contra-indication to muscle biopsies. Group 2 * Age \< 18 years * BMI \> 50 kg/m2 * Atrial fibrillation with poorly controlled heart rate * PDE5 inhibitor use * Severe valvular disease * Severe COPD * CKD 4 or higher * Currently taking incretin-based drugs (SGL2, GLP1) * Any contra-indication to MRI * Any contra-indication to muscle biopsies.

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Conditions

The condition(s) this trial relates to.

diastolic heart failure Inflammation Obesity Weight Loss

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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 Texas Southwestern Medical Center

    Dallas, Texas, 75390, United States

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