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Obesity and heart failure: new study seeks early warning signs

NCT ID NCT07539766

Knowledge-focused Sponsor: Zuyderland Medisch Centrum 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how severe obesity can lead to a type of heart failure called HFpEF, where the heart becomes stiff and has trouble filling with blood. Researchers will study 250 people with obesity using heart ultrasounds and blood tests to find early signs of heart problems. They will also check how weight loss from surgery affects the heart over two years. The goal is to better understand the link between obesity and heart failure to improve future prevention and care.

What this could mean

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

What this could lead to
If successful, this research could point toward better prevention and treatment strategies for heart failure in people with obesity.
What could go wrong
This is an observational study, not a treatment trial, so it won't directly test a new therapy. Results may take years to translate into clinical practice.

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 250 people

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

Started

Jan 2025

Expected to finish

Jan 2029

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

Our study population consists of patients presenting at the DOC South requesting metabolic bariatric surgery. Our predetermined sample size was set at 250 participants.

Ages

35 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: * Age ≥ 35 years * Eligible for surgical treatment for obesity, according to the Dutch guideline, i.e. a BMI ≥ 40 kg/m2 or a BMI ≥ 35 kg/m2 with one or more comorbidities associated with obesity. (23) Exclusion Criteria: * Inability to provide informed consent. * A BMI \>60 kg/m2 * Inability of undergoing metabolic bariatric surgery safely. * Inability to undergo the study measurement/tests. * Not proficient in the Dutch language * A medical history of a reduced LVEF at any time, history of severe cardiac valve defects or severe congenital cardiac defects. * A medical history of previous metabolic bariatric surgery.

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Conditions

The condition(s) this trial relates to.

diastolic heart failure heart failure Obesity obesity disorder

As listed by the trial registrant

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

Heart failure Heart failure and preserved ejection fraction Obesity (disorder)

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

  • Zuyderland Medisch Centrum Heerlen

    RECRUITING

    Heerlen, Limburg, 6419PC, Netherlands

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