UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000041615
Receipt number R000047503
Scientific Title Pathological and biological assessment of arterial thrombus retrieved from infarct-related artery in patients with or without atrial fibrillation
Date of disclosure of the study information 2020/08/31
Last modified on 2023/03/06 11:04:47

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Basic information

Public title

Pathological and biological assessment of arterial thrombus retrieved from infarct-related artery in patients with or without atrial fibrillation

Acronym

Macrophage in thrombus study

Scientific Title

Pathological and biological assessment of arterial thrombus retrieved from infarct-related artery in patients with or without atrial fibrillation

Scientific Title:Acronym

Macrophage in thrombus study

Region

Japan


Condition

Condition

Stroke and acute myocardial infarction

Classification by specialty

Cardiology Neurosurgery

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To assess the difference in pathology of thrombus retrieved from infarct-related artery between atrial fibrillation and non-atrial fibrillation

Basic objectives2

Others

Basic objectives -Others

To assess the difference in pathology or biological markers of thrombus retrieved from infarct-related artery between atrial fibrillation and non-atrial fibrillation

Trial characteristics_1

Exploratory

Trial characteristics_2

Explanatory

Developmental phase

Not applicable


Assessment

Primary outcomes

Distribution of M1, M2 macrophage in thrombus

Key secondary outcomes

classification of thrombus defined as follows; fresh, lytic, organized,
markers in thrombus,
biomarkers in serum


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

stroke within 6 hours from symptom onset,
acute myocardial infarction within 12 hours from symptom onset,
successfully retrieved thrombus from infarct-related artery

Key exclusion criteria

hepatic disease, renal failure(eGFR<30), active malignancy, collagen disease, contraindication of emergent catheter treatment, not suitable for the inclusion judged by operator.

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Tomomi
Middle name
Last name Koizumi

Organization

National Hospital Organization Mito Medical Center

Division name

Division of Cardiovascular Medicine

Zip code

311-3193

Address

280 Sakuranosato Ibarakimachi, Higashi-Ibarakigun, Ibaraki, Japan

TEL

+81292407711

Email

tkoizumioffice@gmail.com


Public contact

Name of contact person

1st name Tomomi
Middle name
Last name Koizumi

Organization

National Hospital Organization Mito Medical Center

Division name

Division of Cardiovascular Medicine

Zip code

311-3193

Address

280 Sakuranosato Ibarakimachi

TEL

+81292407711

Homepage URL


Email

tkoizumioffice@gmail.com


Sponsor or person

Institute

National Hospital Organization Mito Medical Center

Institute

Department

Personal name



Funding Source

Organization

National Hospital Organization Mito Medical Center

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

National Hospital Organization Mito Medical Center

Address

280 Sakuranosato Ibarakimachi

Tel

+81292407711

Email

tkoizumioffice@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

国立病院機構水戸医療センター(茨城県)


Other administrative information

Date of disclosure of the study information

2020 Year 08 Month 31 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

93

Results

Distribution of CD163 positive macrophage in thrombus from IRA in patients with atrial fibrillation is larger than that in patients with sinus rhythm.

Results date posted

2022 Year 03 Month 15 Day

Results Delayed

Delay expected

Results Delay Reason

Pathological analyses have been almost finished and overall analysis has been started.

Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events

none

Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

No longer recruiting

Date of protocol fixation

2019 Year 05 Month 31 Day

Date of IRB

2019 Year 05 Month 15 Day

Anticipated trial start date

2019 Year 06 Month 01 Day

Last follow-up date

2020 Year 12 Month 30 Day

Date of closure to data entry

2021 Year 02 Month 28 Day

Date trial data considered complete

2021 Year 03 Month 31 Day

Date analysis concluded

2021 Year 03 Month 31 Day


Other

Other related information

Once pathological samples are collected, the samples are stained. When other stains are needed, the samples are stained again.


Management information

Registered date

2020 Year 08 Month 31 Day

Last modified on

2023 Year 03 Month 06 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000047503


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name