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ClinicalTrials.gov 6 recruiting now full pipeline small index

Arrhythmia: full-pipeline trial registry

6 of 17 indexed Arrhythmia trials are currently recruiting.

Corpus placement: #1,004 of 28,707 conditions by registered trial count.

17 US clinical trials · 6 currently recruiting · #1,004 of 28,707 conditions by registered trial count

Arrhythmia: 17 US clinical trials tracked, 6 recruiting.

Arrhythmia is the subject of 17 registered US clinical trials on ClinicalTrials.gov, 6 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Medtronic, running 3 of these trials.

Enrollment posture brief

Registry condition arrhythmia

OPEN 6 | RECR 35% | LATE 1 | EARLY 1 | RANK #1004 | SPON 3

Nearest open-share peer: Borderline Personality Disorder (35% recruiting · 17 trials)

Acute Myeloid Leukemia, in R70.6%Abdominal Aortic Aneurysm52.9%Arrhythmia (this)35%Acute Lymphoblastic Leukemia23.5%Actinic Keratosis11.8%
Open-enrollment share among volume-matched conditions near Arrhythmia

Arrhythmia lists 6 open slots (35% of 17 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Arrhythmia on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Arrhythmia is recruiting below its size-band peers.

    6 of 17 indexed trials (35.3%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Arrhythmia research.

    Medtronic accounts for 3 of 17 trials (17.6%). 15 distinct sponsors appear on at least one study for this condition label.

  3. Typical Arrhythmia enrolment sits around 448 participants.

    Median target enrolment is 448 among the 17 trials that report a genuine target (sentinel values excluded). 7 of those (41.2%) plan for fewer than 100 participants.

  4. Arrhythmia splits between interventional and observational designs.

    8 interventional and 9 observational studies make up this index (47.1% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 11Phase 31

Open and recent trials

17 total, page 1 of 1

RECRUITING 20,000 participants

Product Performance Report: Evaluate Long-term Reliability & Performance of Medtronic Marketed Cardiac Therapy Products

Medtronic

NCT00271180

RECRUITING 2,000 participants

Genetics of Cardiovascular and Neuromuscular Disease

University of Chicago

NCT00138931

RECRUITING 1,500 participants

Prospective Observational Study of the ICD in Sudden Cardiac Death Prevention

Johns Hopkins University

NCT00733590

RECRUITING 586 participants

Aveir AR Coverage With Evidence Development (CED) Study

Abbott Medical Devices

NCT06100770

RECRUITING 500 participants

Ambulatory Surgical Center Implantable Cardioverter-Defibrillator Outcomes Registry

QuesGen Systems

NCT03604133

RECRUITING NA 48 participants

Safety and Efficacy of the Sentinel Cerebral Protection Device in Atrial Fibrillation Ablation

Malini Madhavan

NCT04685317

ACTIVE NOT RECRUITING NA 400 participants

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

ACTIVE NOT RECRUITING NA 79 participants

Validation of Belun Ring Gen3 Deep Learning Algorithms With Subxiphoid Body Sensor

Belun Technology Company Limited

NCT06255613

ACTIVE NOT RECRUITING NA 36 participants

Pediatric Adhesion and New Dermal Approach Study

iRhythm Technologies

NCT07118124

COMPLETED 2,927 participants

MEDTRONIC ADAPTA, VERSA AND SENSIA nEw3 POST APPROVAL STUDY

Medtronic

NCT01076374

COMPLETED NA 860 participants

CAPTURE - Complete Automatic Pacing Threshold Utilization Recorded by EnPulse

Medtronic Cardiac Rhythm and Heart Failure

NCT00275769

COMPLETED Phase 3 633 participants

Efficacy and Safety Evaluation of Azimilide Dihydrochloride in Patients With Implantable Cardioverter Defibrillators

Forest Laboratories

NCT00035490

COMPLETED 448 participants

Arrhythmias in Myotonic Muscular Dystrophy

Indiana University School of Medicine

NCT00622453

COMPLETED 73 participants

Model 4965 Post-Approval Study

Medtronic

NCT01076348

COMPLETED Phase 1 72 participants

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

COMPLETED 37 participants

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

COMPLETED NA 20 participants

Imaging With a Radio Tracer to Guide VT Ablations

University of Maryland, Baltimore

NCT01250912

Phase Distribution

PhaseTrial count
Phase 1 1
Phase 3 1

Named interventions

Most-linked intervention names on Arrhythmia records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

GAP-134 Drug
1 trials
123I-metaiodobenzylguanidine Drug
1 trials
Azimilide Dihydrochloride Drug
1 trials
Electrographic Flow (EGF) mapping (no ablation) Device
1 trials
Electrographic Flow (EGF) mapping and ablation of EGF-identified sources of Atrial Fibrillation Device
1 trials
Zio monitor Device
1 trials
Belun Cor Device
1 trials
Single-chamber atrial transvenous pacemaker Device
1 trials

US sites by state

Facility locations filed on Arrhythmia trials. A trial with sites in several states counts in each.

California 7 trials
Colorado 6 trials
Alabama 6 trials
Florida 5 trials
Arizona 5 trials
Arkansas 4 trials
Massachusetts 3 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Arrhythmia page

17 registered trials, 6 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 6 Arrhythmia trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Medtronic sponsors the most Arrhythmia trials on record, review their full trial history before evaluating a specific study. See Medtronic's trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Arrhythmia condition card totals 17 registered trials; most-linked intervention GAP-134; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.