NCT01069302

Brief Summary

The purpose of this study is to evaluate the effect of high dose clopidogrel as the antiplatelet therapy on inhibition of platelet aggregation in Japanese patients scheduled for percutaneous coronary intervention due to ischemic heart disease.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
106

participants targeted

Target at P25-P50 for phase_4 coronary-artery-disease

Timeline
Completed

Started Feb 2010

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2010

Completed
15 days until next milestone

First Submitted

Initial submission to the registry

February 16, 2010

Completed
1 day until next milestone

First Posted

Study publicly available on registry

February 17, 2010

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2011

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2011

Completed
Last Updated

January 11, 2016

Status Verified

January 1, 2016

Enrollment Period

1.7 years

First QC Date

February 16, 2010

Last Update Submit

January 7, 2016

Conditions

Keywords

Coronary artery disease

Outcome Measures

Primary Outcomes (1)

  • Inhibition of platelet aggregation 24 hours after loading

    24 hours

Secondary Outcomes (9)

  • Inhibition of platelet aggregation 7 days after loading

    7 days

  • Inhibition of platelet aggregation 28 days after loading

    28 days

  • all cause death

    1 year

  • cardiac death

    1 year

  • myocardial infarction

    1 year

  • +4 more secondary outcomes

Study Arms (4)

High loading and high maintenance

ACTIVE COMPARATOR

Clopidogrel loading 600mg and maintenance 150mg for 7days

Drug: Clopidogrel

High loading and low maintenance

ACTIVE COMPARATOR

Clopidogrel loading 600mg and maintenance 75mg for 7days

Drug: Clopidogrel

Low loading and high maintenance

ACTIVE COMPARATOR

Clopidogrel loading 300mg and maintenance 150mg for 7days

Drug: Clopidogrel

Low loading and low maintenance

ACTIVE COMPARATOR

Clopidogrel loading 300mg and maintenance 75mg for 7days

Drug: Clopidogrel

Interventions

Clopidogrel loading 600mg and maintenance 150mg for 7days

High loading and high maintenance

Eligibility Criteria

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Patients scheduled for percutaneous coronary intervention due to ischemic heart disease
  • Patients taking aspirin 81-100mg at least 1 week.

You may not qualify if:

  • Patients with ST elevation myocardial infarction
  • Patients have contraindication of aspirin or clopidogrel
  • Patients taking warfarin
  • Patients received thrombolytic therapy within 2 weeks
  • Patients taking anti-platelet agents except aspirin within 1 month
  • Patients taking corticosteroid.
  • Patients taking proton pump inhibitor

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Division of Cardiology, Kyoto University Hospital

Kyoto, Kyoto, 606-8507, Japan

Location

MeSH Terms

Conditions

Coronary Artery Disease

Interventions

Clopidogrel

Condition Hierarchy (Ancestors)

Coronary DiseaseMyocardial IschemiaHeart DiseasesCardiovascular DiseasesArteriosclerosisArterial Occlusive DiseasesVascular Diseases

Intervention Hierarchy (Ancestors)

TiclopidineThienopyridinesThiophenesSulfur CompoundsOrganic ChemicalsPyridinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Study Officials

  • Takeshi Kimura, MD

    Professor of Medicine, Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
FACTORIAL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

February 16, 2010

First Posted

February 17, 2010

Study Start

February 1, 2010

Primary Completion

November 1, 2011

Study Completion

December 1, 2011

Last Updated

January 11, 2016

Record last verified: 2016-01

Locations