Tricuspid Regurgitation3DECHO-TRNCT07793916
3D Transthoracic Echocardiographic Evaluation on Tricuspid Regurgitation Progression and Clinical Outcomes in Patients With Cardiac Implantable Electronic Device
An observational study of Tricuspid Regurgitation and CIED Implantation, run by Samsung Medical Center at 1 site in South Korea.
Trial summary
The goal of this observational study is to learn about the development and worsening of tricuspid regurgitation (TR) in patients who have cardiac implantable electronic devices (CIEDs). Read more about this study
- Who is it for?
- Ages 19 years and older
- Conditions the study is for
- Tricuspid Regurgitation, CIED Implantation, Leadless Pacemaker
- What is being tested?
- 3D Transthoracic echocardiographic evaluation
- How many people
- 1,000 participants
- Where
- 1 siteSouth Korea
- Study dates
- 22 Jan 2026to 31 Jan 2028
- How long will I take part?
- 1 Year
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 19 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: Subjects aged 19 years or older who underwent de novo implantation of a leadless PPM or a cardiac implantable electronic device (PPM or ICD) with trans-tricuspid leads at Samsung Medical Center between 2022 and 2025, and are at least one year post-implantation
Who may be able to join
- Aged 19 years or older.
- Patients who are at least one year post-implantation of one of the following Cardiac Implantable Electronic Devices (CIEDs):
- Permanent Pacemaker (PPM) B. Implantable Cardioverter-Defibrillator (ICD) C. Leadless Pacemaker
- Patients who underwent the implantation procedure on or after January 2022.
- Voluntary informed consent provided by the patient or their legal representative for the review of medical records and study-related data throughout the entire study period.
Who cannot join
- Patients with lead-based CIEDs whose leads do not cross the tricuspid annulus or those with two or more leads crossing the annulus.
- Patients whose baseline degree of tricuspid regurgitation (TR) cannot be assessed due to the absence of transthoracic echocardiography (TTE) performed within three months of the procedure.
- Patients with a history of ventricular lead extraction.
- Patients who have undergone tricuspid valve replacement surgery.
- Individuals who refuse active medical treatment.
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
South Korea1 site, 1 recruiting
- Recruiting
Samsung Medical Center
Seoul, Seoul, 06351
Juwon Kim, 82+ 2-3410-3419, abcd186a@naver.com
About this study
The goal of this observational study is to learn about the development and worsening of tricuspid regurgitation (TR) in patients who have cardiac implantable electronic devices (CIEDs).
The main objective is to compare left bundle branch area pacing (LBBaP) and leadless pacemakers against conventional pacemakers in terms of TR exacerbation.
Participants with these devices will have their retrospective and prospective clinical data analyzed and will undergo 3D transthoracic echocardiography to identify the exact mechanical causes of TR.
Read the detailed description
As the use of cardiac implantable electronic devices(CIED) increases, CIED-related tricuspid regurgitation (CIED-related TR) is emerging as a critical clinical issue. CIED-related TR is one of the most common causes of primary TR, with a reported incidence ranging from approximately 10% to 30%. Numerous studies have confirmed that the severity of CIED-related TR is closely associated with poor prognosis.
This condition is particularly noteworthy because, unlike secondary TR, it possesses mechanical causes that are potentially intervenable. However, most studies published to date have reported results based on 2D echocardiography, which often leads to ambiguity in identifying the exact mechanisms behind the exacerbation of tricuspid regurgitation. Furthermore, there is a significant lack of data regarding TR associated with more recently introduced procedures, such as left bundle branch area pacing (LBBaP) and leadless pacemakers. Therefore, this study aims to perform 3D transthoracic echocardiography on patients with lead-based CIEDs and leadless pacemakers to comparatively analyze LBBaP and leadless pacemaker patients against conventional pacemaker patients in terms of TR exacerbation. By combining retrospective and prospective clinical data, this research will analyze the incidence and clinical impact of these conditions.
- Being tested
- 3D Transthoracic echocardiographic evaluation
- Keywords
- CIED-related TR
- Medical subject headings
- Tricuspid Valve Insufficiency
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
3D Transthoracic echocardiographic evaluationDiagnostic test
The incidence and mechanisms of worsening tricuspid regurgitation are identified through three-dimensional echocardiography, and the resulting structural and functional changes in the heart are evaluated.
| Study group | Role | What they receive |
|---|---|---|
| A patient one year after receiving a cardiac implantable electronic device | Subjects aged 19 years or older who underwent de novo implantation of a leadless PPM or a cardiac implantable electronic device (PPM or ICD) at Samsung Medical Center between 2022 and 2025, and are at least one year post-implantation Receives: Diagnostic Test: 3D Transthoracic echocardiographic evaluation |
What is being measured
The primary outcome is the main question the study is designed to answer.
hospitalization due to heart failure
Measured: From the date of CIED implantation until the date of the first heart failure hospitalization or the date of the study 3D transthoracic echocardiography, whichever occurred first, assessed up to 6 years.
Secondary outcomes (4)
incidence of CIED related, associated TR
Measured: Assessed at the time of the study 3D transthoracic echocardiography, performed at least 1 year after CIED implantation, up to 6 years after implantation.
re-admission due to any cause
Measured: From the date of CIED implantation until the date of the first event or the date of the study 3D transthoracic echocardiography, whichever occurred first, assessed up to 6 years.
Tricuspid valve intervention
Measured: From the date of CIED implantation until the date of the first event or the date of the study 3D transthoracic echocardiography, whichever occurred first, assessed up to 6 years.
transvenous lead extraction or reposition
Measured: From the date of CIED implantation until the date of the first event or the date of the study 3D transthoracic echocardiography, whichever occurred first, assessed up to 6 years.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted31 Aug 2026
- Study start22 Jan 2026
- Primary completion31 Jan 2028 (estimated)
- Study completion31 Jan 2028 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Tricuspid RegurgitationStudies of the same condition, open and under way.
- More trials run by Samsung Medical CenterThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 1,000 participants (estimated)
- Target duration
- 1 Year
Sponsor and investigators
- Lead sponsor
- Samsung Medical Center
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Juwon Kim, Samsung Medical Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07793916
- Sponsor's protocol ID
- SMC 2026-01-010
- Other IDs
- KCT0011605
- Acronym
- 3DECHO-TR
- Status last verified
- Jan 2026
- First submitted
- 17 Aug 2026
- Last updated
- 31 Aug 2026
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 31 Aug 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- 3D Transthoracic Echocardiographic Evaluation on Tricuspid Regurgitation Progression and Clinical Outcomes in Patients With Cardiac Implantable Electronic Device
- ClinicalTrials.gov ID
- NCT07793916
- Acronym / sponsor ID
- 3DECHO-TR / SMC 2026-01-010
- Keywords
- CIED-related TR
- Study type
- Observational
- Recruitment status
- Recruiting
- Enrolment
- 1,000 participants (estimated)
- Lead sponsor
- Samsung Medical CenterUniversity, hospital or other
- Study start
- 22 Jan 2026 (actual)
- Primary completion
- 31 Jan 2028 (estimated)
- Study completion
- 31 Jan 2028 (estimated)
- First posted
- 31 Aug 2026 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The goal of this observational study is to learn about the development and worsening of tricuspid regurgitation (TR) in patients who have cardiac implantable electronic devices (CIEDs).
The main objective is to compare left bundle branch area pacing (LBBaP) and leadless pacemakers against conventional pacemakers in terms of TR exacerbation.
Participants with these devices will have their retrospective and prospective clinical data analyzed and will undergo 3D transthoracic echocardiography to identify the exact mechanical causes of TR.
Detailed description
As the use of cardiac implantable electronic devices(CIED) increases, CIED-related tricuspid regurgitation (CIED-related TR) is emerging as a critical clinical issue. CIED-related TR is one of the most common causes of primary TR, with a reported incidence ranging from approximately 10% to 30%. Numerous studies have confirmed that the severity of CIED-related TR is closely associated with poor prognosis.
This condition is particularly noteworthy because, unlike secondary TR, it possesses mechanical causes that are potentially intervenable. However, most studies published to date have reported results based on 2D echocardiography, which often leads to ambiguity in identifying the exact mechanisms behind the exacerbation of tricuspid regurgitation. Furthermore, there is a significant lack of data regarding TR associated with more recently introduced procedures, such as left bundle branch area pacing (LBBaP) and leadless pacemakers. Therefore, this study aims to perform 3D transthoracic echocardiography on patients with lead-based CIEDs and leadless pacemakers to comparatively analyze LBBaP and leadless pacemaker patients against conventional pacemaker patients in terms of TR exacerbation. By combining retrospective and prospective clinical data, this research will analyze the incidence and clinical impact of these conditions.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Target follow-up
- 1 Year
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| A patient one year after receiving a cardiac implantable electronic device | – | Diagnostic Test: 3D Transthoracic echocardiographic evaluationSubjects aged 19 years or older who underwent de novo implantation of a leadless PPM or a cardiac implantable electronic device (PPM or ICD) at Samsung Medical Center between 2022 and 2025, and are at least one year post-implantation |
Who may qualify
- Ages
- 19 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- Subjects aged 19 years or older who underwent de novo implantation of a leadless PPM or a cardiac implantable electronic device (PPM or ICD) with trans-tricuspid leads at Samsung Medical Center between 2022 and 2025, and are at least one year post-implantation
Key inclusion criteria (5 listed)
- Aged 19 years or older.
- Patients who are at least one year post-implantation of one of the following Cardiac Implantable Electronic Devices (CIEDs):
- Permanent Pacemaker (PPM) B. Implantable Cardioverter-Defibrillator (ICD) C. Leadless Pacemaker
- Patients who underwent the implantation procedure on or after January 2022.
- Voluntary informed consent provided by the patient or their legal representative for the review of medical records and study-related data throughout the entire study period.
Key exclusion criteria (5 listed)
- Patients with lead-based CIEDs whose leads do not cross the tricuspid annulus or those with two or more leads crossing the annulus.
- Patients whose baseline degree of tricuspid regurgitation (TR) cannot be assessed due to the absence of transthoracic echocardiography (TTE) performed within three months of the procedure.
- Patients with a history of ventricular lead extraction.
- Patients who have undergone tricuspid valve replacement surgery.
- Individuals who refuse active medical treatment.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| 3D Transthoracic echocardiographic evaluationThe incidence and mechanisms of worsening tricuspid regurgitation are identified through three-dimensional echocardiography, and the resulting structural and functional changes in the heart are evaluated. | Diagnostic test | A patient one year after receiving a cardiac implantable electronic device |
Primary outcome
hospitalization due to heart failure
Time frame: From the date of CIED implantation until the date of the first heart failure hospitalization or the date of the study 3D transthoracic echocardiography, whichever occurred first, assessed up to 6 years.
4 secondary outcomes
incidence of CIED related, associated TR
Time frame: Assessed at the time of the study 3D transthoracic echocardiography, performed at least 1 year after CIED implantation, up to 6 years after implantation.
re-admission due to any cause
Time frame: From the date of CIED implantation until the date of the first event or the date of the study 3D transthoracic echocardiography, whichever occurred first, assessed up to 6 years.
Tricuspid valve intervention
Time frame: From the date of CIED implantation until the date of the first event or the date of the study 3D transthoracic echocardiography, whichever occurred first, assessed up to 6 years.
transvenous lead extraction or reposition
Time frame: From the date of CIED implantation until the date of the first event or the date of the study 3D transthoracic echocardiography, whichever occurred first, assessed up to 6 years.
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 31 Aug 2026.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Tricuspid Regurgitation and CIED Implantation, run by Samsung Medical Center at 1 site in South Korea.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 31 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in South Korea. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Juwon Kim (82+ 2-3410-3419, abcd186a@naver.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
hospitalization due to heart failure (time frame: From the date of CIED implantation until the date of the first heart failure hospitalization or the date of the study 3D transthoracic echocardiography, whichever occurred first, assessed up to 6 years.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 31 Aug 2026.