UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000003898
Receipt number R000004685
Scientific Title A randomized study of the influence of proton pump inhibitors on antiplatelet effect by Clopidogrel based on CYP2C19 genotypes
Date of disclosure of the study information 2010/07/20
Last modified on 2010/07/20 11:05:09

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Basic information

Public title

A randomized study of the influence of proton pump inhibitors on antiplatelet effect by Clopidogrel based on CYP2C19 genotypes

Acronym

CYP2C19, Clopidgrel and Proton Pump Inhibitor Estimation study(CYCLON study)

Scientific Title

A randomized study of the influence of proton pump inhibitors on antiplatelet effect by Clopidogrel based on CYP2C19 genotypes

Scientific Title:Acronym

CYP2C19, Clopidgrel and Proton Pump Inhibitor Estimation study(CYCLON study)

Region

Japan


Condition

Condition

Angina pectoris and myocardial infarction

Classification by specialty

Medicine in general Cardiology

Classification by malignancy

Others

Genomic information

YES


Objectives

Narrative objectives1

We hypothesized that proton pomp inhibitors may affect antiplatelet effect by clopidogrel based on CYP2C19 genotypes in patients with coronary artery disease.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Inhibitory effect of anti-platelet aggregation estimated by phosphorytation of VASP after administration of clopidgrel and proton pump inhibitors

Key secondary outcomes

relationship between CYP2C19 genotypes and the effect of proton pump inhibitors on anti-platelet aggregation by clopidgrel


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

3

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Study patients are randomized into three groups according to proton pump inhibitors administration.
a) Rabeprazole 10mg

Interventions/Control_2

b) Lansoprazole 30mg

Interventions/Control_3

c) Omeprazole 20mg

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

The patient with angina pectoris or myocardial infarction, who underwent de novo coronary stent implantation

Key exclusion criteria

1) the patient of severe liver disease
2) the patient of severe renal disease
3) the patient of congenital heart disease
4) the patient of myocardial infarction within 3 months from onset or of severe cardiac function
5) the patient of endocrine disease
6) the patient of malignant or inflammatory disease
7) the patient of severe respiratory disease including idiopathic pulmonary artery hypertension
8) the patient of impaired activities of daily living by neurological or orthopedic disease
9) the patient of severe hypertension
10) the patient who taking corticosteroid or immunosuppressive drug
11) the patient of type 1 diabetes mellitus
12) the patient pregnant or probable of pregnancy
13) the catecholamine injected patient
14) the patient of symptomatic hypotension
15) the patient with left ventricular outflow tract obstruction, hypertrophic obstructive cardiomyopthy or aortic stenosis, effecting hemodynamics significantly
16) the patient who is judged inappropriate for any reason by doctor

Target sample size

150


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Nonogi Hiroshi

Organization

National Cerebral and Cardiovascular center

Division name

Division of cardiology, Department of Medicine

Zip code


Address

5-7-1 Fujishirodai, Suita, Osaka, Japan

TEL

06-6833-5012

Email



Public contact

Name of contact person

1st name
Middle name
Last name Noguchi Teruo

Organization

National Cerebral and Cardiovascular center

Division name

Division of cardiology, Department of Medicine

Zip code


Address

5-7-1 Fujishirodai, Suita, Osaka, Japan

TEL

06-6833-5012

Homepage URL


Email

tnoguchi@hsp.ncvc.go.jp


Sponsor or person

Institute

National Cerebral and Cardiovascular Center

Institute

Department

Personal name



Funding Source

Organization

National Cerebral and Cardiovascular 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


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

2010 Year 07 Month 20 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

Preinitiation

Date of protocol fixation

2009 Year 10 Month 20 Day

Date of IRB


Anticipated trial start date

2010 Year 07 Month 01 Day

Last follow-up date


Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2010 Year 07 Month 09 Day

Last modified on

2010 Year 07 Month 20 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000004685


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name