- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02297971
Assessment of Coagulation and Thrombocyte Function After Termination of Ticagrelor (BRILIQUE)
Assessment of Coagulation and Thrombocyte Function After Termination of Ticagrelor in Patients Who Have Previously Undergone PCI Procedures and Insertion of Coronary Stents
Study Overview
Status
Conditions
Detailed Description
Patients who have an acute coronary syndrome are today often treated by percutaneous coronary intervention (PCI) and insertion of one or several coronary stents. Subsequently, these patients are treated with oral anti-platelet (OAP) drugs, usually a combination of acetyl salicylic acid (aspirin) and clopidogrel/ticagrelor. Although aspirin is continued for a life-long period, clopidogrel/ticagrelor are used for a variable period of time, often from 3 months - 1 year after PCI, depending on the type of stent. Interventional elective non-cardiac surgery during the time of clopidogrel/ticagrelor therapy is not recommended except for life-threatening (acute surgery) or life-prolonging (cancer surgery) procedures. Specifically for life-prolonging procedures, surgery can be planned, and therefore the question often arises as to when OAPs should be terminated prior to planned surgery. This decision rests on balancing the risks of bleeding (when continued) or coronary stent thrombosis (when stopped). Certainly, because of the small risk of severe bleeding when using aspirin, this drug should be continued throughout the perioperative period in patients with coronary stents. However, continuing clopidogrel/ticagrelor is more controversial since severe perioperative bleeding is difficult to reverse in these patients. Therefore, surgeons would normally discontinue clopidogrel/ticagrelor prior to surgery, specifically when the potential for bleeding is high, and the consequences major. The exact duration for which these drugs should be discontinued remains unclear and, depending on the drug used, a period of 3 - 5 days is generally recommended, based on the pharmacokinetics and dynamics of clopidogrel/ticagrelor in otherwise healthy patients.
This study was done to better understand coagulation and thrombocyte function immediately before discontinuation of ticagrelor and at regular intervals after termination, in patients who have previously undergone PCI, have coronary stents, are taking ticagrelor but discontinue it after one-year of therapy in accordance with hospital routines. No surgical intervention was planned in these patients after termination of ticagrelor.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Örebro, Sweden, 701 85
- University Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patients who are on the Cardiology Clinic's database at the University Hospital, Örebro and shall terminate ticagrelor after one year following PCI and stent placement would be identified and offered to take part in this study.
Exclusion Criteria:
- Non-responders (not partial responders) to ticagrelor would be excluded from the study. Additionally, patients who are either taking NSAID's regularly or during the last 2 weeks prior to study start would also be excluded as those who have language or cognitive limitations.
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Only
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Platelet aggregometry
Time Frame: 0 - 10 days
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Platelet aggregometry using Multiplate assay would be done prior to termination of ticagrelor treatment and thereafter every other day of 10 days.
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0 - 10 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Thromboelstography
Time Frame: 0-10 days
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Thromboelastography would be performed prior to termination of ticagrelor treatment and thereafter every other day of 10 days.
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0-10 days
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Coagulation function tests
Time Frame: 0-10 days
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Coagulation function would be performed on alternate days starting before termination of ticagrelor.
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0-10 days
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Anil Gupta, MD, PhD, Örebro University, Sweden
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 2013/001
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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