Clinical trial No longer in our active list Observational Ages 18 and up

Using echocardiography to improve outcomes in heart failure patients receiving cardiac resynchronization therapy

Official title: Prediction of Response to Cardiac Resynchronization Therapy by New Echocardiographic Methods

Run by Lille Catholic University · NCT02986633 · Data updated 2026-05-14

This study is no longer in our active list. It may have stopped recruiting or finished. The details below are as of 2026-05-14 and are kept for reference. Check ClinicalTrials.gov for its current status, or see similar studies below.

This study is trying to see if using special heart imaging techniques can help doctors better understand how heart failure patients with a specific heart condition respond to a treatment called cardiac resynchronization therapy.

More Heart Failure trials

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment1000 (estimated)
SponsorLille Catholic University
Academic / other
Locations1 site (Lomme)
Trial IDNCT02986633 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are patients with heart failure, a left ventricular ejection fraction of less than 35%, and a QRS duration greater than 120 ms.

Probably not a fit

Patients with rhythmologic indications for CRT due to atrial fibrillation or those with a left ventricular ejection fraction between 35% and 45% 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 observational study aims to identify echocardiographic parameters linked to the response and outcomes of cardiac resynchronization therapy (CRT) in patients with heart failure and reduced left ventricular ejection fraction. It focuses on patients with Left Bundle Branch Block (LBBB) and utilizes advanced echocardiographic techniques, such as speckle tracking strain, to assess contractile abnormalities. By understanding these parameters, the study seeks to improve the predictive value of CRT response and enhance patient outcomes. The study will involve monitoring patients who meet specific eligibility criteria related to heart failure severity and CRT indications.

Why it matters

Potential benefit: If successful, this study could lead to improved patient selection for CRT, enhancing treatment outcomes for heart failure patients.

How similar studies have gone: While the approach of using advanced echocardiographic techniques in CRT is promising, the specific predictive value of LBBB-related contractile abnormalities remains to be fully established, indicating a novel aspect of this research.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Heart failure with left ventricular ejection fraction less than 35 %
* QRS duration over than 120 ms
* Clinical indication for CRT

Exclusion Criteria:

* Rythmologic indication of CRT for atrial fibrillation control
* Rythmologic indication of CRT for left ventricular ejection fraction between 35% and 45%

Where it's running

  • Hospitals of Lille Catholic University (GHICL)
    Lomme, France
    Recruiting

Study contacts

  • Principal investigator: Sylvestre Maréchaux, MD, PhD — Hospital of Lille Catholic University (GHICL)
  • Study coordinator: Amélie Lansiaux, MD, PhD
  • Email: lansiaux.amelie@ghicl.net
  • Phone: 00 33 3 20 52 69

Similar studies

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

  • Using Apple Watch data to predict heart failure outcomes

    This study is testing if data from Apple Watches can help predict heart failure problems and the chances of needing to go back to the hospital for patients with heart failure.

    Recruiting University Medical Center Goettingen · Goettigen, Lower Saxony · NCT06819618

  • Comparing two pacing methods for heart failure patients

    This study is testing whether a new pacing method called conduction system pacing can help heart failure patients just as much as the standard biventricular pacing to improve their heart function.

    Recruiting The First Affiliated Hospital with Nanjing Medical University · Nanjing, Jiangsu · NCT06241651

  • Comparing two pacing methods for heart failure treatment

    This study is testing which pacing method, conduction system pacing or biventricular pacing, works better for people with heart failure to see if it can help them live longer and avoid hospital visits.

    Recruiting Hospital Clinic of Barcelona · Barcelona · NCT06105580

  • Comparing Aortix Device to Diuretics for Acute Heart Failure

    This study is testing whether the Aortix device can help people with acute heart failure who aren't responding to diuretics feel better compared to standard treatment.

    Recruiting at 33 sites Procyrion · Phoenix, Arizona and 49 other locations · NCT05677100

  • Coronary blood flow testing in people with reduced ejection fraction and left bundle branch block after CRT

    This work will test whether direct intracoronary measurements of flow and pressure show reduced coronary blood flow in people with low ejection fraction and left bundle branch block who have a CRT device.

    Recruiting Aalborg University Hospital · Aalborg · NCT05564689

  • Evaluating His-Bundle Pacing for Heart Failure Treatment

    This study is testing if a new heart pacing method can help people with heart failure and a specific heart block feel better compared to the standard treatment.

    Recruiting at 14 sites University of Rochester · Phoenix, Arizona and 13 other locations · NCT05265520

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.