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ClinicalTrials.gov enrollment closed small index

Cardiac Arrhythmia clinical trials

A small indexed set (13 trials) with no open enrollment listed right now.

Corpus placement: #1,315 of 28,707 conditions by registered trial count.

13 US clinical trials · none currently recruiting · #1,315 of 28,707 conditions by registered trial count

Cardiac Arrhythmia: 13 US clinical trials tracked, none currently recruiting.

Cardiac Arrhythmia is the subject of 13 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. The most active sponsor is Abbott Medical Devices, running 3 of these trials.

Enrollment posture brief

Registry condition cardiac-arrhythmia

OPEN 0 | RECR 0% | LATE 0 | EARLY 0 | RANK #1315 | SPON 3

Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)

ACL Injury61.5%Acute Biphenotypic Leukemia46.2%Accidental Falls30.8%Actinic Keratoses23.1%Cardiac Arrhythmia (this)0%
Open-enrollment share among volume-matched conditions near Cardiac Arrhythmia

Cardiac Arrhythmia has no open enrollment in this registry pull (13 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Cardiac 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. Cardiac Arrhythmia is recruiting below its size-band peers.

    0 of 13 indexed trials (0%) 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 Cardiac Arrhythmia research.

    Abbott Medical Devices accounts for 3 of 13 trials (23.1%). 9 distinct sponsors appear on at least one study for this condition label.

  3. Typical Cardiac Arrhythmia enrolment sits around 70 participants.

    Median target enrolment is 70 among the 13 trials that report a genuine target (sentinel values excluded). 7 of those (53.8%) plan for fewer than 100 participants.

  4. Cardiac Arrhythmia splits between interventional and observational designs.

    7 interventional and 6 observational studies make up this index (53.8% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Indexed trials (enrollment closed)

13 total, page 1 of 1

ACTIVE NOT RECRUITING 150 participants

Assert-IQ Implantable Cardiac Monitor (ICM) Post Market Study

Abbott Medical Devices

NCT06172699

ACTIVE NOT RECRUITING NA 150 participants

Validation Study: Extended Wear Performance of the Zio Monitor - SHASTA II

iRhythm Technologies

NCT07205367

COMPLETED 1,065 participants

EnSite Precision Observational Study

Abbott Medical Devices

NCT03260244

COMPLETED 650 participants

Solutions for Atrial Fibrillation Edvocacy (SAFE)

American Pharmacists Association Foundation

NCT05067114

COMPLETED NA 189 participants

SJM MRI Diagnostic Imaging Registry (IDE)

Abbott Medical Devices

NCT02807948

COMPLETED 104 participants

Novel Cardiac Signal Processing System

BioSig Technologies

NCT04112433

COMPLETED NA 70 participants

Maestro Handheld Cardiac Monitor Validation

University of Michigan

NCT02977104

COMPLETED NA 60 participants

Evaluating Myocardial Injury for Defibrillation Threshold Testing Methods for ICD Implantation

University of California, San Diego

NCT02111993

COMPLETED NA 50 participants

RF Surgical Sponge-Detecting System on the Function of Pacemakers and Implantable Cardioverter Defibrillators

University of California, San Diego

NCT02111980

COMPLETED 25 participants

Patient Status Engine (PSE): EARLY FEASIBILITY AND USABILITY STUDY

The Cleveland Clinic

NCT03480204

COMPLETED NA 23 participants

AV Delay Optimization vs. Intrinsic Conduction in Pacemaker Patients With Long PR Intervals

University of California, San Diego

NCT02154750

COMPLETED NA 19 participants

Measuring Hydration Levels of Healthy and Heart Failure Patients Before, During, and After an Electrophysiology (EP) Procedure

NYU Langone Health

NCT04609683

COMPLETED 5 participants

Use of NAVA-catheter Positioning Screen to Identify Different Cardiac Arrhythmias

ProMedica Health System

NCT02040675

Phase Distribution

Phase data not available

Named interventions

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

RF Assure Scanning Device
1 trials
Pure EP 2 Device
1 trials
Screening, detection and referral for atrial fibrillation Device
1 trials
Maestro ECG Other
1 trials
Pacemaker, ICD, or CRT device Device
1 trials
AleriTM sensors Device
1 trials
Upper Limit of Vulnerability Testing Device
1 trials
Standard Defibrillation Testing Device
1 trials

US sites by state

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

California 6 trials
Florida 4 trials
Wisconsin 2 trials
Texas 2 trials
Ohio 2 trials
New York 2 trials
Michigan 2 trials
Arkansas 2 trials

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

What to do with this Cardiac Arrhythmia page

13 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • No Cardiac Arrhythmia trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • Abbott Medical Devices sponsors the most Cardiac Arrhythmia trials on record, review their full trial history before evaluating a specific study. See Abbott Medical Devices'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 Cardiac Arrhythmia condition card totals 13 registered trials; most-linked intervention RF Assure Scanning; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.