Clinical trial Recruiting at 1 site Phase2; Phase3 Interventional Ages 18 and up

Impact of weight loss on heart function in obese patients with heart failure

Official title: Effect of Weight Loss on Physical and Cardiac Performance in People With Obesity and Heart Failure

Run by Hvidovre University Hospital · NCT06423599 · Data updated 2026-11-12

This study is testing if losing weight with the help of a medication and a special diet can improve heart function and quality of life for obese patients with heart failure.

More Obesity trials

Quick facts

PhasePhase2; Phase3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment100 (estimated)
SponsorHvidovre University Hospital
Academic / other
Locations1 site (Copenhagen)
StatusRecruiting
StartedApril 30, 2024
Main results expectedDecember 30, 2027
Study endsDecember 30, 2027
Registry record updatedJune 23, 2026
Trial IDNCT06423599 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults aged 18 and older with a BMI of 30 kg/m2 or higher and diagnosed with heart failure with reduced ejection fraction.

Probably not a fit

Patients with type 1 diabetes or those who have recently used GLP-1 agonists may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial investigates the effects of weight loss on physical and cardiac performance in individuals suffering from obesity and heart failure with reduced ejection fraction (HFrEF). Participants will receive semaglutide, an injectable medication, alongside a calorie-restricted diet to facilitate weight loss. The study aims to evaluate improvements in cardiovascular health and overall quality of life, building on previous findings that suggest weight loss can significantly benefit heart failure patients. The trial will include individuals who are on stable heart failure therapy and meet specific eligibility criteria related to their health status.

Why it matters

Potential benefit: If successful, this study could lead to improved heart function and quality of life for patients with obesity and heart failure.

How similar studies have gone: Previous studies have shown promising results with similar approaches, particularly in the context of weight loss and cardiovascular health.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Male or female, age ≥ 18 years at the time of signing informed consent
* Body mass index (BMI) ≥ 30 kg/m2
* Heart failure with New York Heart Association (NYHA)-class 1-3 and reduced ejection fraction (EF≤40%) established by either:

  1. echocardiography AND/OR
  2. cardiac magnetic resonance
* On stable optimal medical heart failure therapy for at least 4 weeks

Exclusion Criteria:

1. Cardiovascular-related:

   * Any of the following: myocardial infarction, stroke, hospitalisation for unstable angina pectoris or transient ischaemic attack within the past 6 months prior to the day of screening
   * Planned coronary, carotid or peripheral artery revascularisation known on the day of screening
   * Transient heart failure related to reversible mechanisms like tachycardia, sepsis, etc.
2. Glycaemia-related:

   * Type 1 diabetes
   * Treatment with any Glucagon-Like Peptide-1 (GLP-1) agonists within 90 days prior to the day of screening
   * Type 2 diabetes requiring other pharmacotherapy than metformin and Sodium-glucose Cotransporter-2 (SGLT2) Inhibitors
3. General safety:

   * Pregnancy or planned pregnancy
   * History or presence of chronic pancreatitis
   * Presence of acute pancreatitis within the past 180 days prior to the day of screening
   * Kidney disease with eGFR \< 35ml/min
   * Presence or history of malignant neoplasms within the past 5 years prior to the day of screening (Basal and squamous cell skin cancer and any carcinoma in-situ are allowed)
   * Known or suspected hypersensitivity to trial product(s) or related products

Where it's running

  • Amager and Hvidovre Hospital University of Copenhagen
    Copenhagen, Denmark
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.