CClinicalTrials.gg
CompletedNCT01771172ASQUpdated Dec 2, 2016Results posted

Acute Subcutaneous Defibrillation

An observational study in Ventricular Arrhythmias, sponsored by Medtronic Cardiac Rhythm and Heart Failure. Completed at 8 sites in 5 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2016-12-02.

Sponsored by Medtronic Cardiac Rhythm and Heart Failure · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
50
Ages
18 Years and older
Sex
All
01

Study summary

To assess the defibrillation efficacy of a subcutaneous defibrillation system.

02

Conditions studied

  • Ventricular Arrhythmias

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03

In context

Arrhythmias, Cardiac

885 studies on the registry are indexed under Arrhythmias, Cardiac; 235 are open to participants now.

This study's enrollment of 50 is below the median of 200 across 414 observational studies indexed under Arrhythmias, Cardiac.

Browse Arrhythmias, Cardiac studies →

Lead sponsor

Medtronic Cardiac Rhythm and Heart Failure is the lead sponsor of 239 studies on the registry; 6 are open to participants now.

Of its 19 completed or terminated interventional studies of FDA-regulated products, 17 (89%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Probability sample

Study population

Subjects may be either male or female, and must meet all of the inclusion criteria and none of the exclusion criteria of the study

Inclusion criteria

  • Subject must be undergoing implant of a commercially approved ICD system
  • Subject must be willing to provide Informed Consent
  • Subject must be > 18 years old

Exclusion criteria

Exclusion Criteria:

  • Subject with impaired kidney function as measured by a glomerular filtration rate (eGFR) estimate \< 29 mls/min/1.73m2 (recorded in the last six months)
  • Subject has high risk of infection
  • Subject has EF \< 15%
  • Subject at high risk of stroke
  • having a device replacement
  • Subject with an implanted active non-ICD device, cardiac or non-cardiac (e.g., Neuro stimulator, Pacemaker)
  • Subject is indicated for CRT
  • Subject is pacemaker dependent
  • Subject enrolled in a concurrent study that may confound the results of this study
  • Subject has medical conditions that would limit study participation
  • Subject is pregnant
  • Subject meets exclusion criteria required by local law (e.g. age, breast feeding, etc.)
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
50 participants (actual)
Patient registry
No
06

What researchers measure

Primary outcomes

  1. Subjects Will Demonstrate a Successful Defibrillation Outcome if They Have 2 Successful Defibrillation Shocks With the Research System.

    Time frame: within the first day

07

Results

Posted Dec 2, 2016

Participant flow

Participant flow — Overall Study
MilestoneAcute Defibrillation Testing
Started48
Completed46
Not completed2

Outcome measures

PrimarySubjects Will Demonstrate a Successful Defibrillation Outcome if They Have 2 Successful Defibrillation Shocks With the Research System.
Time frame:
within the first day
Reported as:
Number · percentage of success
Subjects Will Demonstrate a Successful Defibrillation Outcome if They Have 2 Successful Defibrillation Shocks With the Research System.
percentage of successAcute Defibrillation Testing
Subjects Will Demonstrate a Successful Defibrillation Outcome if They Have 2 Successful Defibrillation Shocks With the Research System.85.7

Adverse events

Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Acute Defibrillation Testing—9/50 (18%)5/50 (10%)
Most frequent serious events
Most frequent serious events
EventAcute Defibrillation Testing
Implant site infectionSkin and subcutaneous tissue disorders2/50
Post Procedural HematomaBlood and lymphatic system disorders2/50
Anaphylactic reactionRespiratory, thoracic and mediastinal disorders1/50
Cardiac FailureCardiac disorders1/50
Cardiac ArrestCardiac disorders1/50
Adverse drug reactionRespiratory, thoracic and mediastinal disorders1/50
Ventricular FibrillationCardiac disorders1/50
Most frequent other events
Most frequent other events
EventAcute Defibrillation Testing
Post Procedural HematomaBlood and lymphatic system disorders5/50

Baseline characteristics

Age, Continuous
Age, Continuous(years)Acute Defibrillation Testing
Mean57.7 ± 12.3
Sex: Female, Male
Sex: Female, Male(Participants)Acute Defibrillation Testing
Female12
Male38
08

Study locations

8 sites
  • Republican Scientific and Practical Center Cardiology
    Minsk, Belarus
  • Rigshospitalet
    Copenhagen, Denmark
  • St. Antonius Ziekenhuis
    Nieuwegein, Netherlands
  • Erasmus MC
    Rotterdam, Netherlands
  • Slovak Medical University
    Bratislava, 83348, Slovakia
  • Dudley Group NHS-Russells Hall Hospital
    Dudley, United Kingdom
  • King's College Hospital
    London, United Kingdom
  • Southhampton General Hospital
    Southhampton, United Kingdom
09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 2, 2016, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT01771172
Lead sponsor
Medtronic Cardiac Rhythm and Heart Failure
Responsible party
Sponsor
First posted
Jan 18, 2013
Start date
May 2013
Primary completion
May 2014
Completion
Jun 2014
Results posted
Dec 2, 2016
Last update
Dec 2, 2016

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Oct 2016. You cannot join it, but the record below documents what was studied.

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