UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000045637
Receipt number R000052102
Scientific Title Surgical Managements for Mitral valve regurgitation in Infancy: Its Mid-term Results.
Date of disclosure of the study information 2021/10/04
Last modified on 2022/12/06 10:05:19

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Basic information

Public title

Surgical Managements for Mitral valve regurgitation in Infancy: Its Mid-term Results.

Acronym

Surgical Managements for Mitral valve regurgitation in Infancy: Its Mid-term Results.

Scientific Title

Surgical Managements for Mitral valve regurgitation in Infancy: Its Mid-term Results.

Scientific Title:Acronym

Surgical Managements for Mitral valve regurgitation in Infancy: Its Mid-term Results.

Region

Japan


Condition

Condition

mitral valve regurgitation

Classification by specialty

Cardiovascular surgery

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

We reviewed early and mid-term outcome of the patients underwent mitral valve surgery for moderate or more mitral valve regurgitation in less than 12 months old.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Death at last follow-up.

Key secondary outcomes

Reoperation, mitral valve replacement and moderate or more mitral valve regurgitation at last follow-up.


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

12 months-old >

Gender

Male and Female

Key inclusion criteria

Patients less than 12 months old who underwent mitral valve surgery for moderate or more mitral valve regurgitation at Hyogo prefectural Amagasaki general medical center from October 2005 to March 2019.

Key exclusion criteria

Patients of 1 year old or older. Patients with atrioventricular septal defect, functional single ventricle, atrioventricular and/or ventriculoarterial discordance, and dominance of atrioventricular valve stenosis.

Target sample size

18


Research contact person

Name of lead principal investigator

1st name Toshi
Middle name
Last name Maeda

Organization

Hyogo Prefectural Amagasaki General Medical Center

Division name

Cardiovascular Surgery

Zip code

660-8550

Address

2-17-77, Higashi-Naniwa-cho, Amagasaki, Hyogo, Japan

TEL

+81-6-6480-7000

Email

tmsirius825@gmail.com


Public contact

Name of contact person

1st name Toshi
Middle name
Last name Maeda

Organization

Hyogo Prefectural Amagasaki General Medical Center

Division name

Cardiovascular Surgery

Zip code

660-8550

Address

2-17-77, Higashi-Naniwa-cho, Amagasaki, Hyogo, Japan

TEL

+81-6-6480-7000

Homepage URL


Email

tmsirius825@gmail.com


Sponsor or person

Institute

Hyogo Prefectural Amagasaki General Medical Center

Institute

Department

Personal name



Funding Source

Organization

Self funding

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

Hyogo Prefectural Amagasaki General Medical Center

Address

2-17-77, Higashi-Naniwa-cho, Amagasaki, Hyogo, Japan

Tel

+81-6-6480-7000

Email

agmc.irb@gmail.com


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 10 Month 04 Day


Related information

URL releasing protocol

Already accepted and published by the journal

Publication of results

Published


Result

URL related to results and publications

Already accepted and published by the journal

Number of participants that the trial has enrolled

18

Results

There was no operative mortality, one case of late death. The median follow-up period was 7 years and 9 months. Reoperation was performed in three patients. Fifteen patients had at most mild MR at the last follow-up. A transmitral mean pressure gradient of over 5 mmHg was observed in three cases. Postoperative mitral annular diameter increased within normal range. Survival and reoperation-free rates at 5 and 10 years were 94.4% and 83.0%, respectively.

Results date posted

2022 Year 10 Month 03 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

We retrospectively reviewed 18 patients (aged< 12 months old) undergoing mitral valve surgery for mitral regurgitation. The patients had ten acquired and eight congenital valve lesions as follows: torn chordae (n = 6), leaflet prolapse (n = 4), posterior leaflet hypoplasia (n = 3), anterior leaflet cleft (n = 2), infective endocarditis (n = 1), papillary muscle rupture (n = 1), and hammock valve (n = 1).

Participant flow

All patients already underwent operations, and follow-up data was used.

Adverse events

No adverse events occurred due to this study.

Outcome measures

death, reoperation, MR moderate/severe-free rate.

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Main results already published

Date of protocol fixation

2005 Year 10 Month 01 Day

Date of IRB

2021 Year 06 Month 16 Day

Anticipated trial start date

2005 Year 10 Month 01 Day

Last follow-up date

2021 Year 06 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

The medical records of all 18 patients less than 12 months old who underwent mitral valve surgery for moderate or more mitral valve regurgitation at Hyogo prefectural Amagasaki general medical center between October 2005 and March 2019 were retrospectively reviewed about early and mid-term outcomes.


Management information

Registered date

2021 Year 10 Month 01 Day

Last modified on

2022 Year 12 Month 06 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000052102