UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000002940
Receipt number R000003562
Scientific Title An association between post-treatment platelet reactivity and ischemic and bleeding events after stent implantation in patients with acute coronary syndromes: A multicenter, prospective, cohort study.
Date of disclosure of the study information 2010/01/04
Last modified on 2019/01/10 11:14:10

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Basic information

Public title

An association between post-treatment platelet reactivity and ischemic and bleeding events after stent implantation in patients with acute coronary syndromes: A multicenter, prospective, cohort study.

Acronym

Platelet function monitoring in patients with acute coronary syndromes

Scientific Title

An association between post-treatment platelet reactivity and ischemic and bleeding events after stent implantation in patients with acute coronary syndromes: A multicenter, prospective, cohort study.

Scientific Title:Acronym

Platelet function monitoring in patients with acute coronary syndromes

Region

Japan


Condition

Condition

Acute Coronary Syndromes

Classification by specialty

Cardiology

Classification by malignancy

Others

Genomic information

YES


Objectives

Narrative objectives1

To evaluate the association between post-treatment platelet reactivity and ischemic and bleeding events after stent implantation in patients with acute coronary syndromes

Basic objectives2

PK,PD

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

1) Frequency of 1-year composite endpoints (including cardiovascular death, myocardial infarction, stent thrombosis, target vessel revascularization, non-target vessel revascularization, and ischemic stroke and major bleeding) in the first quartile group, the fourth, and the other 2 quartiles according to post-treatment platelet reactivity assessed by VerifyNow P2Y12 assay before PCI.
Myocardial infarction is defined as universal definition in 2007, stent thrombosis is defined as ARC definition(definite, probable, possible), and major bleeding is defined as REPLACE-2 criteria.

Key secondary outcomes

1) Frequency of 1-year adverse cardiac and cerebrovascular events (including cardiovascular death, myocardial infarction, stent thrombosis, target vessel revascularization, non-target vessel revascularization, and ischemic stroke) and major bleeding in patients with high post-treatment platelet reactivity before PCI.
High post-treatment platelet reactivity is defined as P2Y12 reaction unit (PRU) >= 235 assessed by VerifyNow P2Y12 assay before PCI.


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

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients with acute coronary syndromes who are scheduled to undergo coronary stent implantation treated with aspirin and clopidogrel are enrolled.

Key exclusion criteria

1) use of warfarin, ticlopidine, cilostazole, glycoprotein IIb/IIIa inhibitor, or fibrinolytics within 7 days before enrollment or duing study period.
2) serum hemoglobin level <10 g/dl or >18 g/dl
3) platelet count <100,000 /mm3 or >500,000 /mm3
4) hematologic or malignant disordor
5) major bleeding events within 7 days before enrollment
6) severe chronic renal failure (serum creatinine > 2mg/dl)
7) severe liver dysfunction (hepatic cirrhosis or portal hypertension)
8) acute coronary syndromes caused by stent thrombosis or in-stent restenosis
9) drug allergy of aspirin or clopidogrel
10) participating in the other trial (phase 1-3)
11) women of pregnant, childbearing potential or lactation
12) patients who are not allowed to participate in the trial by judgement of the treating physician

Target sample size

360


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Kengo Tsukahara

Organization

Yokohama City University Medical Center

Division name

Division of Cardiology

Zip code


Address

4-57 Urafune-cho, Minami-ku, Yokohama City, 232-0024, Japan

TEL

045-261-5656

Email

k-tsuka@urahp.yokohama-cu.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Kengo Tsukahara

Organization

Yokohama City University Medical Center

Division name

Division of Cardiology

Zip code


Address

4-57 Urafune-cho, Minami-ku, Yokohama City, 232-0024, Japan

TEL

045-261-5656

Homepage URL


Email

k-tsuka@urahp.yokohama-cu.ac.jp


Sponsor or person

Institute

Division of Cardiology, Yokohama City University Medical Center

Institute

Department

Personal name



Funding Source

Organization

Daiichi Sankyo Co.,LTD.

Organization

Division

Category of Funding Organization

Profit organization

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

横浜市立大学附属市民総合医療センター(神奈川県)
神奈川県立循環器呼吸器病センター(神奈川県)
済生会横浜市南部病院(神奈川県)
藤沢市民病院(神奈川県)


Other administrative information

Date of disclosure of the study information

2010 Year 01 Month 04 Day


Related information

URL releasing protocol


Publication of results

Published


Result

URL related to results and publications

https://www.ncbi.nlm.nih.gov/pubmed/30599063

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

2009 Year 12 Month 08 Day

Date of IRB


Anticipated trial start date

2010 Year 01 Month 01 Day

Last follow-up date

2014 Year 03 Month 31 Day

Date of closure to data entry

2015 Year 07 Month 31 Day

Date trial data considered complete

2015 Year 07 Month 31 Day

Date analysis concluded



Other

Other related information

Prospective cohort study


Management information

Registered date

2009 Year 12 Month 25 Day

Last modified on

2019 Year 01 Month 10 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000003562


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name