UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000057768
Receipt number R000065750
Scientific Title Transcatheter versus conservative strategies for severe mitral regurgitation requiring Impella support
Date of disclosure of the study information 2025/05/03
Last modified on 2025/12/18 06:07:46

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Basic information

Public title

The Transcatheter strategy for severe mitral regurgitation requiring percutaneous ventricular assist device support study

Acronym

TREAT MR study

Scientific Title

Transcatheter versus conservative strategies for severe mitral regurgitation requiring Impella support

Scientific Title:Acronym

Treatment strategies with Impella for MR

Region

Japan


Condition

Condition

Isolated severe MR complicated by either drug-refractory heart failure or cardiogenic shock requiring Impella support

Classification by specialty

Cardiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study sought to evaluate the short-term clinical outcomes of transcatheter strategy for severe MR requiring Impella support for hemodynamic stabilization, using a nationwide registry of all Impella-treated patients in Japan.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The primary outcome was in-hospital mortality.

Key secondary outcomes

Secondary outcomes were in-hospital events, including cardiac death, stroke, cardiac tamponade, acute kidney injury, sepsis, severe bleeding, limb ischemia, and ventricular tachycardia or fibrillation.


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

Patients with severe MR complicated by drug-refractory heart failure or cardiogenic shock requiring Impella support

Key exclusion criteria

Patients who required therapeutic interventions other than for the mitral valve

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Tsuyoshi
Middle name
Last name Isawa

Organization

Sendai Kousei Hospital

Division name

Cardiology Department

Zip code

981-0914

Address

1-20, Tsutsumidouri-amamiya, Sendai, Japan

TEL

022-728-8000

Email

isa_tsuyo@yahoo.co.jp


Public contact

Name of contact person

1st name Tsuyoshi
Middle name
Last name Isawa

Organization

Sendai Kousei Hospital

Division name

Cardiology Department

Zip code

981-0914

Address

1-20, Tsutsumidouri-amamiya, Sendai, Japan

TEL

022-728-8000

Homepage URL


Email

isa_tsuyo@yahoo.co.jp


Sponsor or person

Institute

Sendai Kousei Hospital

Institute

Department

Personal name



Funding Source

Organization

None

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

Sendai Kousei Hospital

Address

1-20, Tsutsumidouri-amamiya, Sendai, Japan

Tel

0227288000

Email

isa.tsuyo@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

2025 Year 05 Month 03 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

82

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

No longer recruiting

Date of protocol fixation

2020 Year 02 Month 01 Day

Date of IRB

2025 Year 01 Month 20 Day

Anticipated trial start date

2020 Year 02 Month 01 Day

Last follow-up date

2025 Year 02 Month 01 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Retrospective cohort study


Management information

Registered date

2025 Year 05 Month 03 Day

Last modified on

2025 Year 12 Month 18 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000065750