UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000048658
Receipt number R000053562
Scientific Title Comparison of microembolic signals on carotid artery Doppler ultrasound between high power and low power setting during radiofrequency catheter ablation for atrial fibrillation
Date of disclosure of the study information 2022/08/12
Last modified on 2023/12/25 17:44:49

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Comparison of microembolic signals on carotid artery Doppler ultrasound between high power and low power setting during radiofrequency catheter ablation for atrial fibrillation

Acronym

Comparison of microembolic signals on carotid artery Doppler ultrasound between high power and low power setting during radiofrequency catheter ablation for atrial fibrillation

Scientific Title

Comparison of microembolic signals on carotid artery Doppler ultrasound between high power and low power setting during radiofrequency catheter ablation for atrial fibrillation

Scientific Title:Acronym

Comparison of microembolic signals on carotid artery Doppler ultrasound between high power and low power setting during radiofrequency catheter ablation for atrial fibrillation

Region

Japan


Condition

Condition

Atrial fibrillation

Classification by specialty

Cardiology Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate microembolic signals during radiofrequency catheter ablation

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The number of microembolic signals and microbubble signals

Key secondary outcomes

Size of microembolic signals, changes in coagulation markers, clinical embolic events, MMSE score


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Single blind -participants are blinded

Control

Active

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Maneuver

Interventions/Control_1

High power short duration ablation

Interventions/Control_2

Low power long duration ablation

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients scheduled for radiofrequency catheter ablation of AF
Required ablation for pulmonary vein isolation and tricuspidisthmus ablation only
Adequate evaluation on carotid artery Doppler ultrasound
Stable condition with sufficient collection of the coagulation marker preoperatively
Therapeutic range of the PT-INR in patients taking warfarin

Key exclusion criteria

Required additional extensive ablation in left atrium
Hematologic disease and those patients with chemotherapy
A history of major surgery and active inflammatory disease within 1 month
Antiplatelet drug administration
Severe atherosclerosis in aorta and carotid artery
Inapplicable to include the study by an attending doctor

Target sample size

34


Research contact person

Name of lead principal investigator

1st name Toyoaki
Middle name
Last name Murohara

Organization

Nagoya University Graduate School of Medicine

Division name

Department of Cardiology

Zip code

466-8550

Address

65, Tsurumai-cho, showa-ku, Nagoya, Aichi

TEL

81527442148

Email

murohara@med.nagoya-u.ac.jp


Public contact

Name of contact person

1st name Satoshi
Middle name
Last name Yanagisawa

Organization

Nagoya University Graduate School of Medicine

Division name

Department of Advanced Cardiovascular Therapeutics

Zip code

466-8550

Address

65, Tsurumai-cho, showa-ku, Nagoya, Aichi

TEL

81527442148

Homepage URL


Email

yanagisawa-sato@med.nagoya-u.ac.jp


Sponsor or person

Institute

Nagoya University Graduate School of Medicine, Department of Cardiology

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

The Nagoya University Ethics Committee

Address

65 Tsurumai-cho, Showa-ku, Nagoya, Aichi4668550, Japan.

Tel

81-52-744-2423

Email

ethics@med.nagoya-u.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

名古屋大学医学部附属病院(愛知県)


Other administrative information

Date of disclosure of the study information

2022 Year 08 Month 12 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Open public recruiting

Date of protocol fixation

2022 Year 03 Month 24 Day

Date of IRB

2022 Year 03 Month 29 Day

Anticipated trial start date

2022 Year 04 Month 01 Day

Last follow-up date

2027 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2022 Year 08 Month 12 Day

Last modified on

2023 Year 12 Month 25 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000053562


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name