Heart Block clinical trials
The registry lists 39 studies for Heart Block across more than 10 countries. 12 are recruiting or about to start. 14 of them are mainly about Heart Block (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-10. Counting its 3 narrower conditions too, such as Atrioventricular Block: 293 studies, 84 open.
Get an email when these change. Save the Heart Block studies recruiting or about to start — once a week, free: studies that open, close, add sites or post results.
See an example email
Example · made-up studies
Breast cancer · Recruiting: 2 came in, 3 changed
What changed in your saved searches, Oct 31 – Nov 6:
A study of drug A after surgery for early breast cancer
Came in · now Recruiting
Drug B with hormone therapy in advanced breast cancer
Changed
· Sites: 4 added, including Seoul and Busan
· Enrollment: 300 → 450 participants
Exercise during chemotherapy
Now Active, not recruiting
One email a week for all your saved searches. Stop any time.
Phase
- Phase 4
- 6
Who runs them
Abbott Medical Devices (3) · Guidant Corporation (2) · Medtronic Cardiac Rhythm and Heart Failure (2) · National Research Center for Preventive Medicine (1) · Walton Centre NHS Foundation Trust (1) · Hospital General Universitario de Alicante (1) · Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute) (1) · Swift Sync, Inc. (1)
Coming up
Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.
All 4
- Dec 2026Conduction System Pacing With Left Bundle Branch Pacing as Compared to Standard Right Ventricular Pacing · McGill University Health Centre/Research Institute of the McGill University Health Centre
- Jan 2027Left Septal or Deep Septal Pacing to Prevent Pacing-induced Cardiomyopathy · Institut d'Investigació Biomèdica de Bellvitge
- Sep 2027Left Bundle Branch Area Pacing or Biventricular Pacing in AF and Left Ventricular Dysfunction · srdpiers
- Sep 2027Transjugular Approach for Implantation of Active Fixation Leadless Pacemakers · Min Shen
Who these studies take
Of the 10 Heart Block studies recruiting now, 7 (70%) set no upper age limit and 1 (10%) stop at 75 or younger. 2 (20%) take children under 18. 1 (10%) are for women only and 0 (0%) for men only; 0 (0%) take healthy volunteers.
| Age | Women | Men |
|---|---|---|
| 10 | 1 (10%) | 1 (10%) |
| 18 | 10 (100%) | 9 (90%) |
| 30 | 10 (100%) | 9 (90%) |
| 40 | 10 (100%) | 9 (90%) |
| 50 | 10 (100%) | 9 (90%) |
| 65 | 9 (90%) | 9 (90%) |
| 75 | 9 (90%) | 9 (90%) |
| 85 | 9 (90%) | 9 (90%) |
Across all 39 studies, recruiting or not: 15% stop at 75 or younger and 15% at 65; 33% take children; 5% are for women only and 0% for men only; 5% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.
What changed recently
From the registry's own updates since Oct 12, 2026.
Started recruiting1
- Transjugular Approach for Implantation of Active Fixation Leadless PacemakersNov 10, 2026NCT07802119
Newly registered1
- Multimodality Location Prediction Accuracy of Leadless Pacemaker PositioningNov 2, 2026NCT07908927
Studies
Recruiting first, then most recently updated. Showing 39 of 39. search them.
- Transjugular Approach for Implantation of Active Fixation Leadless PacemakersRecruitingNCT07802119Not applicable1 country
- Multimodality Location Prediction Accuracy of Leadless Pacemaker PositioningRecruitingNCT07908927Not applicable1 country
- Maternal-Fetal Heart Sound/Electrocardiogram Monitoring and Cardiac Risk Early WarningNot yet recruitingNCT075266621 country
- Conduction System Pacing With Left Bundle Branch Pacing as Compared to Standard Right Ventricular PacingRecruitingNCT05015660Not applicable1 country
- COR-INSIGHT: Optimizing Cardiovascular and Cardiopulmonary Outcomes with AI-Driven Multiplexed Indications Using COR ECG WearableEnrolling by invitationNCT067635491 country
- Long Term Evaluation of Cardiac Arrhythmias After Transcatheter Aortic Valve Implantation -The LOCATE RegistryRecruitingNCT060557511 country
- Left Bundle Branch Area Pacing or Biventricular Pacing in AF and Left Ventricular DysfunctionRecruitingNCT06620705Not applicable2 countries
- Left Septal or Deep Septal Pacing to Prevent Pacing-induced CardiomyopathyRecruitingNCT06474819Not applicable1 country
- Slow Heart Registry of Fetal Immune-mediated High Degree Heart BlockRecruitingNCT0455942512 countries
- ConTempoRary Cardiac Stimulation in Clinical practicE: lEft, BivEntriculAr, Right, and conDuction System PacingRecruitingNCT063246821 country
- Physiologic Pacing for Symptomatic First-Degree Heart BlockRecruitingNCT06245304Not applicable1 country
- Glucocorticoid Treatment in Transaortic Valve Replacement to Reduce the Incidence of Conduction Disturbances (GLUCO-TAVR).RecruitingNCT06076824Phase 41 country
- PANORAMA Observational StudyCompletedNCT003825256 countries
- Nerve Root Block in SpasticityCompletedNCT06868342Not applicable1 country
- Biomarkers & Infection After Prophylactic Antibiotic in Cardiac Implantable Electronic Device ImplantationCompletedNCT06448624Phase 41 country
- Transcatheter Aortic Valve Replacement (TAVR) Effects on Cardiac Conduction SystemCompletedNCT049824061 country
- Effect of Site of Right Ventricular (RV) Pacing on RV Function, Left Ventricular (LV) Dyssynchrony and Contraction EfficiencyCompletedNCT06636851Not applicable1 country
- LBBAP Data Collection RegistryCompletedNCT058873235 countries
- Suture Closure AFtEr VEIN Access for Cardiac Procedures (SAFE-VEIN) TrialCompletedNCT04632641Not applicable1 country
- Physiologic Pacing RegistryCompletedNCT0371904016 countries
- Holter Versus Zio Patch Electrocardiographic Monitoring in ChildrenCompletedNCT03309956Not applicable1 country
- Efficacy and Safety of the Sync-AV II Temporary Cardiac Pacing CatheterCompletedNCT06261788Not applicable1 country
- New-onset Heart Blocks After Noncardiac Surgery: a Retrospective Study of More Than 280,000 PatientsCompletedNCT06119009
- Conduction Disease After Transcatheter Aortic Valve ReplacementCompletedNCT04489095Not applicable1 country
- PECs Block for Pacemaker Insertion in ChildrenCompletedNCT04931693Phase 41 country
- Remote ECG Monitoring of TAVI PatientsStatus unknownNCT03810820Not applicable1 country
- Beluga - Clinical Observations of Automatic Algorithms for Cardiac PacingCompletedNCT002868582 countries
- Cardiac Rhythm Disturbances in Hard-to-treat Epilepsy Patients Using Loop ECG RecordersCompletedNCT03376087
- Impact of Septal Vs Apical Pacing on Right and Left Ventricular PerformanceTerminatedNCT01798043Not applicable1 country
- Syncope: Pacing or Recording in the Later YearsCompletedNCT01423994Phase 45 countries
- Optimal Analgesia for Forefoot SurgeryStatus unknownNCT02637362Not applicable1 country
- PROTECT-PACE STUDY - The Protection of Left Ventricular Function During Right Ventricular PacingCompletedNCT00461734Not applicable3 countries
- Right Apical Versus Septal Pacing TrialStatus unknownNCT00199498Not applicable1 country
- Austria Study - Analysis of Difference Between Active and Passive Fixation LeadsCompletedNCT00180557Phase 41 country
- Virtual Clinic Pacemaker Follow-upTerminatedNCT00475124Phase 41 country
- Development and Prevention of Severe Heart Disease in Systemic SclerosisStatus unknownNCT018291266 countries
- Right Ventricular Lead Placement in a Pacemaker Population: Evaluation of Apical and Alternative PositionStatus unknownNCT01647490Not applicable1 country
- Prospective Registry of Pacemaker Patients Concerning Percentage of Right Ventricular Pacing, LVEF and NYHA ClassCompletedNCT002925391 country
- iPod and Other MP3 Players on ICDs and Pacemakers in ChildrenCompletedNCT005428541 country