UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000044669
Receipt number R000051012
Scientific Title To evaluate that catheter ablation of atrial fibrillation decrease serum uric acid level
Date of disclosure of the study information 2021/06/28
Last modified on 2022/12/29 16:51:52

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Basic information

Public title

To evaluate that catheter ablation of atrial fibrillation decrease serum uric acid level

Acronym

Study of association between AF ablation and uric acid level

Scientific Title

To evaluate that catheter ablation of atrial fibrillation decrease serum uric acid level

Scientific Title:Acronym

Study of association between AF ablation and uric acid level

Region

Japan


Condition

Condition

Atrial fibrillation

Classification by specialty

Cardiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The objective was to explore that the catheter ablation for AF patients effects uric acid (UA), sugar and lipid metabolism and to reveal the association among these laboratory parameters.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Biomarkers of uric acid (UA), sugar and lipid metabolism after catheter ablation

Key secondary outcomes



Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


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


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

AF patients who underwent initial AF ablation in our hospital between was included.

Key exclusion criteria

Patients with exchanging oral medicines for heart failure, hypertension, diabetes mellitus, dyslipidemia, and hyperuricemia drug during follow-up period, and those with receiving dialysis were excluded.

Target sample size

210


Research contact person

Name of lead principal investigator

1st name Daisetsu
Middle name
Last name Aoyama

Organization

University of Fukui

Division name

Department of Cardiovascular Medicine, Faculty of Medical Sciences

Zip code

910-1193

Address

23-3 Matsuokashimoaizuki, Eiheiji-cho, Yoshida-gun, Fukui, Japan

TEL

0776618800

Email

daisetsu@u-fukui.ac.jp


Public contact

Name of contact person

1st name Daisetsu
Middle name
Last name Aoyama

Organization

University of Fukui

Division name

Department of Cardiovascular Medicine, Faculty of Medical Sciences

Zip code

910-1193

Address

23-3 Matsuokashimoaizuki, Eiheiji-cho, Yoshida-gun, Fukui, Japan

TEL

0776618800

Homepage URL


Email

daisetsu@u-fukui.ac.jp


Sponsor or person

Institute

University of Fukui

Institute

Department

Personal name



Funding Source

Organization

No conflicts

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

University of Fukui

Address

23-3 Matsuokashimoaizuki, Eiheiji-cho, Yoshida-gun, Fukui, Japan

Tel

0776618800

Email

daisetsu@u-fukui.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



Other administrative information

Date of disclosure of the study information

2021 Year 06 Month 28 Day


Related information

URL releasing protocol

chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/http://research.hosp.u-fukui.ac.jp/wp-content/up

Publication of results

Published


Result

URL related to results and publications

Heart and Vessels 2022 Dec;37(12):2049-2058. doi: 10.1007/s00380-022-02108-w.

Number of participants that the trial has enrolled

206

Results

Baseline BNP and UA levels significantly decreased at 1 year after ablation. Changes in UA level correlated significantly with pre-procedural UA level. Significant improvements in both persistent and paroxysmal AF patients were identified, and the magnitude of post-procedural serum UA level decline after ablation was significantly greater in patients with persistent AF than in those with paroxysmal AF.

Results date posted

2022 Year 12 Month 29 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

This was a single-center, retrospective cohort analysis. Among 503 consecutive AF patients who underwent initial AF ablation in our hospital between September 2017 and July 2020, a total of 297 patients without follow-up data at < 1 year after the procedure, with recurrence of AF within 1 year after the procedure, with changes to oral medicines for heart failure, hypertension, diabetes mellitus, dyslipidemia, or hyperuricemia drugs during follow-up period, or who received dialysis were excluded. A final total of 206 patients was thus included in this study.

Participant flow

We continued in-hospital electrocardiographic monitoring for 3 to 5 days. No antiarrhythmic drugs were prescribed after the procedure except for patients with highly symptomatic early recurrence of AF. Regular follow-up consisted of outpatient clinic visits at 1 and 3 months after the procedure. Subsequent follow-up visits involved a clinical interview, 12 lead electrocardiogram, or 24h Holter electrocardiogram recordings every 3 months. Anticoagulation was continued for at least 3 months.

Adverse events

There were no adverse events due to this study because of retrospective cohort analysis.

Outcome measures

A total of 206 patients who underwent initial AF ablation without changes to oral medications were included. Baseline BNP and UA levels significantly decreased at 1 year after ablation (p < 0.05 each). Changes in UA level correlated significantly with pre-procedural UA level (r = 0.57). In multivariable logistic regression modeling, pre-procedural UA level, persistent AF, and hemoglobin A1c (p < 0.05 each) were independent predictors of post-procedural UA level decline. Significant improvements in both persistent and paroxysmal AF patients were identified, and the magnitude of post-procedural serum UA level decline after ablation was significantly greater in patients with persistent AF than in those with paroxysmal AF (p < 0.001). Of the 48 patients with high UA level before procedure, 28 patients showed improvement in UA level to normal range.

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2021 Year 06 Month 26 Day

Date of IRB

2021 Year 05 Month 12 Day

Anticipated trial start date

2021 Year 06 Month 28 Day

Last follow-up date

2021 Year 08 Month 01 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This study was a single-center, retrospective cohort analysis and AF patients who underwent initial AF ablation in our hospital between January 2011 and April 2021 was included.


Management information

Registered date

2021 Year 06 Month 26 Day

Last modified on

2022 Year 12 Month 29 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000051012


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name