Using Cryoballoon Ablation as Initial Treatment for Persistent Atrial Fibrillation
Cryo-InitialAF
1 other identifier
interventional
286
1 country
17
Brief Summary
This study is to assess the effectiveness and safety of using cryoballoon ablation comparing with anti-arrhythmic drug therapy as initial treatment for naive patients with persistent atrial fibrillation.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Oct 2021
Longer than P75 for not_applicable
17 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 17, 2021
CompletedFirst Posted
Study publicly available on registry
June 29, 2021
CompletedStudy Start
First participant enrolled
October 1, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
January 1, 2026
CompletedApril 26, 2024
August 1, 2023
3.8 years
June 17, 2021
April 25, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Treatment success at 12 months
Treatment success at 12 months after antiarrhythmic drug (AAD) initiation or ablation utilizing cryoballoon catheter measured by freedom from AF recurrence following a 3-month period after the index ablation or AAD initiation.
Randomization to 12 months
Rate of serious adverse events
Rate of serious procedure-related and serious cryoablation system-related reported adverse events through 12 months after the index ablation procedure
Randomization to 12 months
Secondary Outcomes (4)
Quality of life changes at 12 months measured by AFEQT
one year
Quality of life changes at 12 months measured by SF-12
one year
Arrhythmia recurrence during blanking period
3 months
time to first time cardiovascular hospitalization (month)
one year
Study Arms (2)
Drug treatment group
ACTIVE COMPARATORreceive class I or class III AAD to restore or maintain sinus rhythm.
cryoballoon ablation group
EXPERIMENTALreceive cryoballoon ablation to restore sinus rhythm.
Interventions
Class I or III antiarrhythmic drug, including sotalol
Pulmonary vein isolation by cryoballoon ablation using Medtronic Arctic Front Advance™ Cardiac CryoAblation Catheters (23mm and 28mm)
Eligibility Criteria
You may qualify if:
- Documentation of symptomatic persistent AF: Defined as having a continuous episode lasting longer than 7 days but less than 1 year documented by consecutive ECG recordings OR Defined as having a continuous episode lasting longer than 7 days but less than 1 year documented by an ECG recording and one doctor note indicating patient had symptoms consistent with AF
- Age 18 -75 years old
- Structurally normal heart with LVEF ≥50%, interventricular septum thickness ≤ 12 mm, and left atrial diameter \<46 mm (short axis) as obtained by transthoracic echocardiography. •
- Normal ECG parameters when measured in sinus rhythm (QRS width ≤120 ms in a 12-channel surface ECG, QTc interval \<440 ms, and PQ interval ≤210 ms).
You may not qualify if:
- History of AF treatment with class I or III antiarrhythmic drug, including sotalol, with the intention to prevent an AF recurrence. However, patients pretreated with above AAD for less than 7 days with the intention to convert an AF episode are allowed.
- left atrial ablation or surgical procedure (including left atrial appendage closures)
- Presence or likely implant of a permanent pacemaker, biventricular pacemaker, loop recorder, or any type of implantable cardiac defibrillator (with or without biventricular pacing function) within 12 months
- Presence of any pulmonary vein stents
- Presence of any pre-existing pulmonary vein stenosis
- Pre-existing hemidiaphragmatic paralysis
- Presence of any cardiac valve prosthesis
- +3 and +4 mitral valve regurgitation or stenosis
- Any cardiac surgery, myocardial infarction, percutaneous coronary intervention (PCI) / percutaneous transluminal coronary angioplasty (PTCA) or coronary artery stenting which occurred during the 3 month interval preceding e consent date
- Unstable angina
- New York Heart Association (NYHA) Class II, III or IV congestive heart failure
- Primary pulmonary hypertension
- Rheumatic heart disease
- Thrombocytosis, thrombocytopenia
- Any condition contraindicating chronic anticoagulation
- +12 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Ruijin Hospitallead
Study Sites (17)
Fujian Provincial Hospital
Fuzhou, Fujian, 350001, China
Dongguan People's Hospital
Dongguan, Guangdong, 523018, China
Sun Yat-sen Memorial Hospital
Guangzhou, Guangdong, 510120, China
The First Affiliated Hospital,Sun Yat-sen University
Guangzhou, Guangdong, 511466, China
The Affiliated Hospital Of Guizhou Medical University
Guiyang, Guizhou, 561113, China
Nanjing Drum Tower hospital
Nanjing, Jiangsu, 210008, China
Zhongda Hospital Southeast University
Nanjing, Jiangsu, 210009, China
Affiliated Hospital Of Nantong University
Nantong, Jiangsu, 226019, China
Jiangsu Taizhou People's Hospital
Taizhou, Jiangsu, 225300, China
Xuzhou Central Hospital
Xuzhou, Jiangsu, 221009, China
Qilu Hospital Of Shandong University
Jinan, Shangdong, 250012, China
Ruijin Hospital
Shanghai, Shanghai Municipality, 200025, China
Shanghai Tenth People's Hospital
Shanghai, Shanghai Municipality, 200072, China
"West China School of Medicine /West China Hospital of Sichuan University "
Chengdu, Sichuan, 610041, China
Tianjin Chest Hospital
Tianjin, Tianjin Municipality, 300022, China
The Second Hospital Of Tianjin Medical University
Tianjin, Tianjin Municipality, 300211, China
The First Affiliated Hospital of Xinjiang Medical University
Ürümqi, Xinjiang, 830054, China
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Li-qun Wu, MD,PhD
Ruijin Hospital
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 17, 2021
First Posted
June 29, 2021
Study Start
October 1, 2021
Primary Completion
July 1, 2025
Study Completion
January 1, 2026
Last Updated
April 26, 2024
Record last verified: 2023-08
Data Sharing
- IPD Sharing
- Will not share