NCT01932112

Brief Summary

The investigators studied the effects of adenosine on the reconnection rate after successful pulmonary veins isolation by radiofrequency catheter ablation in patients with drug-resistant atrial fibrillation

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
378

participants targeted

Target at P50-P75 for phase_3 atrial-fibrillation

Timeline
Completed

Started Nov 2012

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2012

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

August 14, 2013

Completed
16 days until next milestone

First Posted

Study publicly available on registry

August 30, 2013

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2015

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2015

Completed
12 months until next milestone

Results Posted

Study results publicly available

April 13, 2016

Completed
Last Updated

April 26, 2017

Status Verified

April 1, 2017

Enrollment Period

2.4 years

First QC Date

August 14, 2013

Results QC Date

May 23, 2015

Last Update Submit

April 24, 2017

Conditions

Keywords

Pulmonary Vein IsolationAdenosin effectAtrial fibrillation ablation

Outcome Measures

Primary Outcomes (1)

  • Reconnection of Pulmonary Vein Electrogram After Adenosine Infusion

    After pulmonary vein isolation, 20mg Intracardiac adenosine will be given to treatment group, will evaluate pulmonary vein reconnection.

    5 minutes after IV adenosine

Secondary Outcomes (1)

  • Atrial Fibrillation Recurrence

    between 0 and 12 months

Study Arms (1)

adenosine arm

OTHER

single arm study

Drug: Adenosine arm

Interventions

After pulmonary vein isolation,20mg Intracardiac adenosine will be given to treatment group, will evaluate pulmonary vein reconnection.

Also known as: APPLE
adenosine arm

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Diagnosed atrial fibrillation
  • recurrence of symptomatic atrial fibrillation in spite of Antiarrhythmic drug use
  • written informed consent

You may not qualify if:

  • intracardiac thrombus
  • pregnancy

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Seoul st Mary's Hospital

Seoul, Seocho-Ku, 137-040, South Korea

Location

Related Publications (1)

  • Kim JY, Kim SH, Song IG, Kim YR, Kim TS, Kim JH, Jang SW, Lee MY, Rho TH, Oh YS. Achievement of successful pulmonary vein isolation: methods of adenosine testing and incremental benefit of exit block. J Interv Card Electrophysiol. 2016 Sep;46(3):315-24. doi: 10.1007/s10840-016-0122-9. Epub 2016 Mar 9.

MeSH Terms

Conditions

Atrial Fibrillation

Condition Hierarchy (Ancestors)

Arrhythmias, CardiacHeart DiseasesCardiovascular DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Y. Oh, director of clinical trial
Organization
Seoul St Mary's hospital

Study Officials

  • Yong seog Oh, MD

    Seoul St. Mary's Hospital

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 3
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
MD

Study Record Dates

First Submitted

August 14, 2013

First Posted

August 30, 2013

Study Start

November 1, 2012

Primary Completion

April 1, 2015

Study Completion

May 1, 2015

Last Updated

April 26, 2017

Results First Posted

April 13, 2016

Record last verified: 2017-04

Locations