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Arrhythmia clinical trials
Every US clinical trial registered for Arrhythmia — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.
17 US clinical trials · 6 currently recruiting
The research picture
Arrhythmia has 17 registered US clinical trials, 6 of them open to new participants right now — about 35% of the total.
- 6
- recruiting participants now
- 35%
- of trials open to enrollment
- 1
- in Phase 3–4 (later-stage)
- 3
- top sponsor: Medtronic
Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.
Active & Recent Trials
Product Performance Report: Evaluate Long-term Reliability & Performance of Medtronic Marketed Cardiac Therapy Products
Medtronic
NCT00271180
Genetics of Cardiovascular and Neuromuscular Disease
University of Chicago
NCT00138931
Prospective Observational Study of the ICD in Sudden Cardiac Death Prevention
Johns Hopkins University
NCT00733590
Aveir AR Coverage With Evidence Development (CED) Study
Abbott Medical Devices
NCT06100770
Ambulatory Surgical Center Implantable Cardioverter-Defibrillator Outcomes Registry
QuesGen Systems
NCT03604133
Safety and Efficacy of the Sentinel Cerebral Protection Device in Atrial Fibrillation Ablation
Malini Madhavan
NCT04685317
RESOLVE-AF: Clinical Evaluation of the Ablacath™ Mapping Catheter and Ablamap® System Utilizing Electrographic Flow (EGF) Mapping to Resolve Extra-PV Sources of Atrial Fibrillation and Guide Ablation Therapy.
Cortex
NCT05883631
Validation of Belun Ring Gen3 Deep Learning Algorithms With Subxiphoid Body Sensor
Belun Technology Company Limited
NCT06255613
Pediatric Adhesion and New Dermal Approach Study
iRhythm Technologies
NCT07118124
MEDTRONIC ADAPTA, VERSA AND SENSIA nEw3 POST APPROVAL STUDY
Medtronic
NCT01076374
CAPTURE - Complete Automatic Pacing Threshold Utilization Recorded by EnPulse
Medtronic Cardiac Rhythm and Heart Failure
NCT00275769
Efficacy and Safety Evaluation of Azimilide Dihydrochloride in Patients With Implantable Cardioverter Defibrillators
Forest Laboratories
NCT00035490
Arrhythmias in Myotonic Muscular Dystrophy
Indiana University School of Medicine
NCT00622453
Model 4965 Post-Approval Study
Medtronic
NCT01076348
Single Ascending Dose Study of the Safety, Tolerability, and Pharmacokinetics of GAP-134 Administered Intravenously
Wyeth is now a wholly owned subsidiary of Pfizer
NCT00510029
Comparison of Rotational Angiography/Electroanatomical Mapping Fusion Versus CT/Electroanatomical Mapping Fusion to Guide AF Ablation
Steward St. Elizabeth's Medical Center of Boston
NCT01537237
Imaging With a Radio Tracer to Guide VT Ablations
University of Maryland, Baltimore
NCT01250912
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 3 | 1 |
Top Sponsors
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Reading the Arrhythmia Trial Landscape
ClinicalTrials.gov lists 17 US studies indexed under Arrhythmia, and 6 of those are currently open to recruitment — roughly 35% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.
The phase distribution for Arrhythmia shows 1 late-stage studies (Phase 3 and Phase 4 combined) alongside 1 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.
Top sponsor activity for Arrhythmia is led by Medtronic with 3 indexed trials, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 17 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.
Frequently Asked Questions
How many clinical trials are there for Arrhythmia?
PlainTrial tracks 17 US clinical trials for Arrhythmia, of which 6 are currently recruiting participants. Data sourced from ClinicalTrials.gov.
How do I find a recruiting trial for Arrhythmia?
Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.
Is this data current?
Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.
Related
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.
Read our methodology — how this data is sourced, computed, and verified.
Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.