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Heart device study seeks to uncover hidden effects on right ventricle

NCT ID NCT07272395

Knowledge-focused Sponsor: Istanbul University - Cerrahpasa 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 how implantable heart devices like pacemakers, ICDs, and CRT devices may affect the right side of the heart. Researchers will check 40 adults before and 6 months after device placement using heart scans, ultrasound, and a blood test. No experimental treatment is given—all devices are part of standard care. The goal is to better understand changes in right heart function over time.

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 40 people

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

Started

Aug 2025

Expected to finish

Nov 2026

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

Participants will be recruited from the cardiology clinics and electrophysiology unit of Istanbul University-Cerrahpaşa Cardiology Institute. The study population consists of adult patients scheduled for implantation of a clinically indicated pacemaker, ICD, or CRT device. All participants represent a routine tertiary-care population referred for device therapy due to bradyarrhythmia, heart failure, or ventricular arrhythmia indications.

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 * Adults aged 18 years or older. * Scheduled to undergo implantation of a clinically indicated pacemaker, ICD, or CRT device. * Able to undergo transthoracic echocardiography, VEXUS ultrasound assessment, and non-contrast cardiac MRI. * Able to provide written informed consent. Exclusion Criteria * Contraindication to cardiac MRI (e.g., severe claustrophobia or MRI-unsafe implanted material). * Inability to undergo echocardiography or ultrasound assessment. * Known pulmonary arterial hypertension (Group 1 PH). * Significant congenital heart disease. * Patients with mechanical or bioprosthetic heart valve replacement * Severe left-sided valvular disease (severe AS or severe MR). * Chronic kidney disease stage 4 or 5 (eGFR \< 30 mL/min/1.73m²). * End-stage renal disease requiring dialysis. * Primary hyperparathyroidism. * Hypophosphataemia or hyperphosphataemia requiring treatment. * Active or uncontrolled bone metabolism disorders (e.g., osteomalacia, Paget's disease). * Recent fracture or major orthopaedic surgery within the past 3 months. * Active systemic inflammatory or autoimmune disease. * Active malignancy or malignancy requiring ongoing treatment. * Active infection at the time of enrolment. * Pregnancy or breastfeeding. * Haemodynamic instability at the time of enrolment. * Expected survival less than 6 months due to non-cardiac conditions. * Inability to provide informed consent.

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Conditions

The condition(s) this trial relates to.

Hyperemia Ventricular Dysfunction, Right

As listed by the trial registrant

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

Right ventricular dysfunction

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

  • Istanbul University-Cerrahpasa Institute of Cardiology

    RECRUITING

    Istanbul, FATIH, 34098, Turkey (Türkiye)

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