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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00335452
Registration number
NCT00335452
Ethics application status
Date submitted
8/06/2006
Date registered
9/06/2006
Date last updated
18/11/2010
Titles & IDs
Public title
Clopidogrel Optimal Loading Dose Usage to Reduce Recurrent EveNTs/Optimal Antiplatelet Strategy for InterventionS
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Scientific title
Randomized, Multinational, Double-blind Study, Comparing a High Loading Dose Regimen of Clopidogrel Versus Standard Dose in Patients With Unstable Angina or Myocardial Infarction Managed With an Early Invasive Strategy.
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Secondary ID [1]
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EUDRACT: 2006-000313-38
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Secondary ID [2]
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EFC5965
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Universal Trial Number (UTN)
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Trial acronym
CURRENT/OASIS7
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Acute Coronary Disease
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Angina Unstable
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Condition category
Condition code
Cardiovascular
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Coronary heart disease
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Clopidogrel
Treatment: Drugs - acetylsalicyclic acid (ASA)
Experimental: Clopidogrel high dose treatment regimen + ASA high dose -
Experimental: Clopidogrel high dose treatment regimen + ASA low dose -
Active comparator: Clopidogrel standard treatment regimen + ASA high dose -
Active comparator: Clopidogrel standard treatment regimen + ASA low dose -
Treatment: Drugs: Clopidogrel
oral administration
Treatment: Drugs: acetylsalicyclic acid (ASA)
oral administration
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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First Occurrence of CV Death / MI / Stroke - Clopidogrel Treatment Regimen Comparison
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Assessment method [1]
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The primary endpoint is the first occurrence of any of the following events:
* Cardiovascular death (any death with a clear cardiovascular or unknown cause),
* Myocardial Infarction (diagnosis of new Myocardial Infarction (MI) - nonfatal or fatal)
* Stroke (presence of a new focal neurologic deficit thought to be vascular in origin, with signs or symptoms lasting more than 24 hours - nonfatal or fatal)
reported between the randomization and Day 30 (inclusive), and validated by the blinded Event Adjudication Committee (EAC).
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Timepoint [1]
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30 days
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Primary outcome [2]
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First Occurrence of CV Death / MI / Stroke - ASA Dose Comparison
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Assessment method [2]
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Timepoint [2]
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30 days
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Primary outcome [3]
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First Occurrence of CV Death / MI / Stroke - Interaction Clopidogrel Treatment Regimen and ASA Dose Level
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Assessment method [3]
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Timepoint [3]
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30 days
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Primary outcome [4]
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First Occurrence of CV Death / MI / Stroke - Clopidogrel Treatment Regimen Comparison in PCI Subgroup
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Assessment method [4]
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Timepoint [4]
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30 days
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Secondary outcome [1]
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Occurrence of Major Bleeding - Clopidogrel Dose Regimen Comparison
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Assessment method [1]
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Major bleeding is defined as any severe bleeding (associated with any of the following: death, leading to a drop in hemoglobin = 5 g/dl, significant hypotension with the need for inotropic agents, symptomatic intracranial hemorrhage, requirement for surgery or for a transfusion = 4 units of red blood cells or equivalent whole blood) and other major bleeding (significantly disabling bleeding, or intraocular bleeding leading to significant loss of vision or bleeding requiring transfusion of 2-3 units of red blood cells or equivalent whole blood) after validation by the independent EAC.
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Timepoint [1]
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30 days
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Secondary outcome [2]
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Occurrence of Major Bleeding - ASA Dose Level Comparison
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Assessment method [2]
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Timepoint [2]
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30 days
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Eligibility
Key inclusion criteria
* Diagnosed with acute coronary disease with clinical symptoms and at least electrocardiogram changes or cardiac enzymes elevated
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Use of anticoagulants within 10 days with an international normalized ratio (INR) > 1.5 or planned use during the hospitalisation period
* Administration of clopidogrel > 75 mg prior to randomization
* Contraindication to clopidogrel or aspirin
* Active bleeding or significant risk of bleeding
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Factorial
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Other design features
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Phase
Phase 3
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/06/2006
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
1/09/2009
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Sample size
Target
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Accrual to date
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Final
25086
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Recruitment in Australia
Recruitment state(s)
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Recruitment hospital [1]
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sanofi-aventis Australia & New Zealand administrative office - Macquarie Park
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Recruitment postcode(s) [1]
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- Macquarie Park
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Recruitment outside Australia
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United States of America
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New Jersey
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Argentina
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Buenos Aires
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Vienna
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Diegem
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Laval
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Beijing
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Mumbai
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Natanya
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Warszawa
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Bucuresti
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Brastislava
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Geneva
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Istanbul
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Surrey
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Sanofi
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Commercial sector/industry
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Name [1]
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Bristol-Myers Squibb
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this study is to evaluate whether a higher dosage of clopidogrel with aspirin (two doses) will decrease the risk of ischemic complications (cardiac death (CV death), myocardial infarction (MI), stroke) after a percutaneous coronary intervention (PCI).
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Trial website
https://clinicaltrials.gov/study/NCT00335452
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Trial related presentations / publications
CURRENT-OASIS 7 Investigators; Mehta SR, Bassand JP, Chrolavicius S, Diaz R, Eikelboom JW, Fox KA, Granger CB, Jolly S, Joyner CD, Rupprecht HJ, Widimsky P, Afzal R, Pogue J, Yusuf S. Dose comparisons of clopidogrel and aspirin in acute coronary syndromes. N Engl J Med. 2010 Sep 2;363(10):930-42. doi: 10.1056/NEJMoa0909475. Erratum In: N Engl J Med. 2010 Oct 14;363(16):1585. Fuster V. Fine-tuning therapy for acute coronary syndromes. N Engl J Med. 2010 Sep 2;363(10):976-7. doi: 10.1056/NEJMe1008891. No abstract available. Mehta SR, Tanguay JF, Eikelboom JW, Jolly SS, Joyner CD, Granger CB, Faxon DP, Rupprecht HJ, Budaj A, Avezum A, Widimsky P, Steg PG, Bassand JP, Montalescot G, Macaya C, Di Pasquale G, Niemela K, Ajani AE, White HD, Chrolavicius S, Gao P, Fox KA, Yusuf S; CURRENT-OASIS 7 trial investigators. Double-dose versus standard-dose clopidogrel and high-dose versus low-dose aspirin in individuals undergoing percutaneous coronary intervention for acute coronary syndromes (CURRENT-OASIS 7): a randomised factorial trial. Lancet. 2010 Oct 9;376(9748):1233-43. doi: 10.1016/S0140-6736(10)61088-4. Stone GW. Acute coronary syndromes: finding meaning in OASIS 7. Lancet. 2010 Oct 9;376(9748):1203-5. doi: 10.1016/S0140-6736(10)61262-7. No abstract available. Bossard M, Gao P, Boden W, Steg G, Tanguay JF, Joyner C, Granger CB, Kastrati A, Faxon D, Budaj A, Pais P, Di Pasquale G, Valentin V, Flather M, Moccetti T, Yusuf S, Mehta SR. Antiplatelet therapy in patients with myocardial infarction without obstructive coronary artery disease. Heart. 2021 Nov;107(21):1739-1747. doi: 10.1136/heartjnl-2020-318045. Epub 2021 Jan 27. Bossard M, Granger CB, Tanguay JF, Montalescot G, Faxon DP, Jolly SS, Widimsky P, Niemela K, Steg PG, Natarajan MK, Gao P, Fox KAA, Yusuf S, Mehta SR. Double-Dose Versus Standard-Dose Clopidogrel According to Smoking Status Among Patients With Acute Coronary Syndromes Undergoing Percutaneous Coronary Intervention. J Am Heart Assoc. 2017 Nov 3;6(11):e006577. doi: 10.1161/JAHA.117.006577. Mehta SR, Bassand JP, Chrolavicius S, Diaz R, Fox KA, Granger CB, Jolly S, Rupprecht HJ, Widimsky P, Yusuf S; CURRENT-OASIS 7 Steering Committee. Design and rationale of CURRENT-OASIS 7: a randomized, 2 x 2 factorial trial evaluating optimal dosing strategies for clopidogrel and aspirin in patients with ST and non-ST-elevation acute coronary syndromes managed with an early invasive strategy. Am Heart J. 2008 Dec;156(6):1080-1088.e1. doi: 10.1016/j.ahj.2008.07.026. Epub 2008 Nov 1.
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Public notes
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Contacts
Principal investigator
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Shamir MEHTA, MD
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Address
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Hamilton General Hospital, McMaster University, CANADA
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Type
Citations or Other Details
Journal
CURRENT-OASIS 7 Investigators; Mehta SR, Bassand J...
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More Details
]
Journal
Fuster V. Fine-tuning therapy for acute coronary s...
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Journal
Mehta SR, Tanguay JF, Eikelboom JW, Jolly SS, Joyn...
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Journal
Stone GW. Acute coronary syndromes: finding meanin...
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More Details
]
Results are available at
https://clinicaltrials.gov/study/NCT00335452
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