UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000004812
Receipt number R000005626
Scientific Title Efficacy of Ischemic Postconditioning Combined with Thrombus Aspiration Therapy in Patients with ST-segment. Elevation Myocardial Infarction.
Date of disclosure of the study information 2011/01/02
Last modified on 2020/05/20 09:30:34

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Basic information

Public title

Efficacy of Ischemic Postconditioning Combined with Thrombus Aspiration Therapy in Patients with ST-segment. Elevation Myocardial Infarction.

Acronym

iPost study

Scientific Title

Efficacy of Ischemic Postconditioning Combined with Thrombus Aspiration Therapy in Patients with ST-segment. Elevation Myocardial Infarction.

Scientific Title:Acronym

iPost study

Region

Japan


Condition

Condition

Patients with ST-elevation AMI admitted or referred to the Coronary Care Unit of the Division of Cardiology of St.Lukes.International Hospital in Japan, after successful percutaneous coronary intervention and who are eligible for cardiac MRI will be enrolled prospectively. Informed consent
will be obtained from each patient before enrollment in the study, according to the approved protocol.

Classification by specialty

Cardiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The primary objective is to evaluate whether postconditioning combined thrombus aspiration induced by brief episodes of ischemia-reperfusion
performed during the first minutes of reperfusion obtained by percutaneous coronary intervention, compared to percutaneous coronary intervention without additional intervention.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Phase II,III


Assessment

Primary outcomes

ST segment resolution

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Single blind -participants are blinded

Control

Active

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Numbered container method


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Maneuver

Interventions/Control_1

ipost procedure group; n=58

Interventions/Control_2

standard treatment group; n=58

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

Inclusion Criteria
1)Subject must have ST-segment Elevation Myocardial Infarction
2)Subject must be 20 years of age or older.
3)histry of cardiac-ischemia-related symptoms <12 hours prior to initial presentation.
4)clinical decision was made to treat with PCI.
5)Subject must be willing and able to give informed consent.

Key exclusion criteria

Exclusion criteria will be previous AMI, candidate of CABG cardiogenic shock or Killip 4, rescue angioplasty after thrombolytic therapy, evidence of coronary collaterals in the risk area, TIMI flow grade 3 before intervention, inability to lay flat due to severe cardiac heart failure/respiratory insufficiency, pregnancy, known existence of a life threatening disease, and inability to give informed consent. In addition, exclusion criteria will be any contraindication to undergo CMR, such as severe renal dysfunction implanted metallic objects;cardiac pacemakers and/or implantable cardioverter defibrillator or any other type of electronic devices, or any other contraindication to CMR. Patients with newly placed intracoronary stents will be included.

Target sample size

116


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Takuya Watanabe

Organization

St.Luke's International Hospital

Division name

Cardiology Department

Zip code


Address

9-1,Akashi-cho,Chuou-ku Tokyo,Japan

TEL

03-3541-5151

Email



Public contact

Name of contact person

1st name
Middle name
Last name Takuya Watanabe

Organization

St.Luke's International Hospital

Division name

Cardiology Department

Zip code


Address

9-1,Akashi-cho,Chuou-ku Tokyo,Japan

TEL

03-3541-5151

Homepage URL


Email

watataku@luke.or.jp


Sponsor or person

Institute

St.Luke's International 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


Address


Tel


Email



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

2011 Year 01 Month 02 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

Completed

Date of protocol fixation

2010 Year 11 Month 30 Day

Date of IRB

2010 Year 12 Month 01 Day

Anticipated trial start date

2010 Year 12 Month 01 Day

Last follow-up date

2012 Year 06 Month 01 Day

Date of closure to data entry

2012 Year 12 Month 01 Day

Date trial data considered complete

2013 Year 02 Month 01 Day

Date analysis concluded

2013 Year 04 Month 01 Day


Other

Other related information



Management information

Registered date

2011 Year 01 Month 02 Day

Last modified on

2020 Year 05 Month 20 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000005626


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name