- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04032665
Reveal Transition - A Mechanistic Study in Transition / Stabilized Phase of CAD (RevealTrans)
Reveal Transition: Rivaroxaban-Evaluation of Variables Enhancing Antithrombotic Efficacy and Longterm-Outcome in Stabilized Patients With Cardiovascular Disease. A Mechanistic Study in Transition / Stabilized Phase of CAD
Longterm oral anticoagulation with very low dose rivaroxaban (2.5mg bid) in combination with aspirin has been shown superior over standard aspirin monotherapy in patients with stable coronary artery disease (CAD) in the COMPASS trial. To date, there are no data comparing these - antithrombotic strategies and to provide insights about mechanistic effects of very low dose rivaroxaban on top of aspirin for longterm treatment.
Thus, the goal of the planned pilot study will be to identify effects of rivaroxaban on platelet function, platelet-mediated vascular inflammation and particularly, platelet-mediated thrombin generation as well as the underlying mechanisms and to reveal differences in mechanistic effects during longterm treatment with combined novel antiplatelet/anticoagulant strategies. This study is planned as descriptive study.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Contacts and Locations
Study Locations
-
-
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Tuebingen, Germany, 72076
- University Hospital Tuebingen
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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≥ 18 years.
- troponin-positive acute coronary syndrome (NSTEMI/STEMI) with planned dual antiplatelet therapy (DAPT, ASA + ticagrelor) for 12 months or stable CAD with previous PCI and drug eluting-stent (DES) + pre-existing PAD under treatment with DAPT (ASA + clopidogrel).
- Patients with coronary artery disease who are younger than 65 years of age are required to have documentation of atherosclerosis involving at least two vascular beds or to have at least two additional risk factors (current smoking, diabetes mellitus, an estimated glomerular filtration rate [GFR] <60 ml per minute, heart failure, or nonlacunar ischemic stroke ≥1 month earlier).
- informed written consent.
Exclusion Criteria:
- any condition that requires longterm or already ongoing full oral anticoagulation (e.g. recent systemic embolism, prosthetic heart valves or chronic atrial fibrillation).
- patients with increased bleeding risk preventing guideline adherent dual antiplatelet therapy
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Stable coronary and peripheral artery disease (CAD/PAD)
Stable CAD/PAD patients with previous percutaneous coronary intervention and drug eluting stent-implantation treated with dual antiplatelet therapy (ASA+clopidogrel)
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In stable CAD/PAD patients with previous PCI and DES-implantation treated with DAPT (ASA+clopidogrel) platelet rich plasma (PRP) and washed platelets as well as serum/plasma/urinary samples will be collected between 2 and 4 weeks before switching from DAPT to ASA + rivaroxaban (2,5 mg b.i.d.), between 2 and 4 weeks under monotherapy with ASA 100mg o.d., and between 2 and 4 weeks under therapy with ASA 100mg o.d.
+ rivaroxaban (2,5 mg b.i.d.) and treated ex vivo with rivaroxaban to asses platelet activation and function, platelet-triggered thrombin generation and platelet-dependent vascular inflammation.
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Acute coronary artery disease (ACS)
Patients with troponin-positive ACS (NSTEMI/STEMI) with planned percutaneous coronary intervention and drug eluting stent-implantation treated with P2Y12 inhibitor (ticagrelor) and ASA
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In stable CAD/PAD patients with previous PCI and DES-implantation treated with DAPT (ASA+clopidogrel) platelet rich plasma (PRP) and washed platelets as well as serum/plasma/urinary samples will be collected between 2 and 4 weeks before switching from DAPT to ASA + rivaroxaban (2,5 mg b.i.d.), between 2 and 4 weeks under monotherapy with ASA 100mg o.d., and between 2 and 4 weeks under therapy with ASA 100mg o.d.
+ rivaroxaban (2,5 mg b.i.d.) and treated ex vivo with rivaroxaban to asses platelet activation and function, platelet-triggered thrombin generation and platelet-dependent vascular inflammation.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Inflammation, Thrombogenicity and Mechanistic Insights During Transition from acute to chronic phase
Time Frame: 2 years
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Define the course of vascular inflammation and thrombogenicity during transition from acute to chronic phase after percutaneous coronary intervention and to provide mechanistic insights of very low dose rivaroxaban (VLDR) on platelet activation and function, platelet-triggered thrombin generation and platelet-dependent vascular inflammation.
Platelet function as well as platelet-dependent vascular inflammation will be determined by flow cytometry, thrombinoscopy, spectrofluorimetry, aggregometry, total thromus-formation analysis system (T-TAS) and thrombelastography (TEG) studies
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2 years
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Biomarker Expression
Time Frame: 2 years
|
To reveal course of prothrombotic and inflammatory markers after acute coronary syndromes to better understand the transition from acute to stabilized phase.
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2 years
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Tobias Geisler, Professor, University Hospital of Tuebingen
- Principal Investigator: Oliver Alexander Borst, Professor, University Hospital of Tuebingen
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Reveal Transition
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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