E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Coronary Artery Disease (with an indication for coronary angiography) |
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E.1.1.1 | Medical condition in easily understood language |
The narrowing of the coronary arteries (with an indication for coronary angiography) |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cardiovascular Diseases [C14] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10011078 |
E.1.2 | Term | Coronary artery disease |
E.1.2 | System Organ Class | 10007541 - Cardiac disorders |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
Τo compare ticagrelor versus clopidogrel regarding their effect on arterial stiffness as assessed by PWV, at 3 hours after the loading dose of each regimen, in eligible subjects with CAD. |
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E.2.2 | Secondary objectives of the trial |
-To compare ticagrelor versus clopidogrel treatment regarding their effect on arterial stiffness as assessed by PWV, at 24 hours after the loading dose of each regimen, in the acute period populations; -To compare ticagrelor versus clopidogrel treatment regarding their effect on arterial stiffness as assessed by PWV, at 1 month after coronary stent placement, in the chronic period populations; -To compare ticagrelor versus clopidogrel treatment regarding their effect on central blood pressures and augmentation index in both the acute and the chronic period populations; -To compare ticagrelor versus clopidogrel treatment regarding their effect on endothelial function assessed by brachial artery ultrasound and circulating markers of endothelial dysfunction.
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Provision of informed consent prior to any study specific procedures. -Μale and female subjects > 18 and < 79 years of age. - Indication for elective coronary angiography (angina, positive stress test/SPECT/stress echo) with or without PCI for inclusion in the ‘acute’ study period, and indication for either ad hoc or elective PCI for inclusion in the ‘chronic’ study period.
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E.4 | Principal exclusion criteria |
1. Subjects who had ACS within 12 months of screening. 2. Previous stent implantation with dual antiplatelet therapy within 12 months of screening. 3. Subjects being treated with anti-platelet medications other than aspirin prior to diagnostic catheterization including glycoprotein IIb/IIIa inhibitors. 4. Subjects with NYHA class III or IV heart failure or known left ventricular ejection fraction < 30%. 5. Subjects with hemodynamic or electrical instability (including shock). 6. History of gastrointestinal bleeding, genitourinary bleeding or other site abnormal bleeding within the previous 6 months. 7. Other bleeding diathesis, or considered by Investigator to be at high risk for bleeding. 8. Any previous history of ischemic or hemorrhagic stroke, intracranial hemorrhage or disease (neoplasm, arteriovenous malformation, aneurysm). 9. International Normalized Ratio (INR) known to be >1.5 within 1 week of study entry. 10. Poorly controlled blood pressure (>160/100 mmHg). 11. Known platelet count of <100,000/mm3 within 1 week of study entry. 12. Known anemia (hemoglobin [Hb] <10 gr/dL) within 1 week of study entry. 13. Subjects receiving daily treatment with nonsteroidal anti-inflammatory drugs (NSAIDs) or cyclooxygenase-2 (COX-2) inhibitors that cannot be discontinued for the duration of the study. 14. Severe kidney disease (GFR<30 ml/min/1.73m2). 15. Hepatic insufficiency defined as liver cirrhosis, AST/ALT/Alkaline Phosphatase greater than 3 times the upper limit of normal or hyperbilirubinemia defined as peak total serum bilirubin greater than 2 times the upper limit of normal (ULN). 16. Any indication (atrial fibrillation, mitral stenosis or prosthetic heart valve, pulmonary embolism (PE), deep vein thrombosis (DVT)) for anticoagulation treatment during study period. 17. Asthma or chronic obstructive pulmonary disease requiring brochodilating agents. 18. Concomitant use of potent Cytochrome P450 3A4 (CYP3A4) inhibitors (atazanavir, clarithromycin, indinavir, itraconazole, ketoconazole, nefazodone, nelfinavir, ritonavir, saquinavir, telithromycin and voriconazole) or inducers (carbamazepine, dexamethasone, phenobarbital, phenytoin, rifampin, and rifapentine). 19. Concomitant use of drugs that are metabolized through CYP2C19 (omeprazole and esomeprazole, fluvoxamine, fluoxetine, moclobemide, voriconazole, fluconazole, ticlopidine, ciprofloxacin, cimetidine, carbamazepine, oxcarbazepine and chloramphenicol). 20. History of uric acid nephropathy and high levels of uric acid within 1 week of study entry. 21. Increased risk of bradycardic events (e.g. known sick sinus syndrome or third degree AV block or previous documented syncope suspected to be due to bradycardia unless treated with a pacemaker). 22. Known neoplastic or autoimmune disease or any concomitant medical illness that in the opinion of the Investigator may interfere with or prevent completion in this study. 23. Contraindication to clopidogrel, ASA, or ticagrelor. 24. A history of alcohol and/or substance abuse that could interfere with conduct of the trial. 25. Pregnancy or lactation (for premenopausal women 2 methods of reliable contraception, one of which must be barrier method, are required). 26. Treatment with other investigational agents (including placebo) or devices within 30 days prior to randomization or planned use of investigational agents or devices prior to the Day 30 visit. 27. Life expectancy less than 1 year. 28. Indication for major surgery (e.g. cancer treatment, carotid surgery, cerebral surgery, major vascular surgery). 29. High likelihood of being unavailable for the Day 30 follow up. |
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary outcome is the between treatment difference in the mean change in the cfPWV from baseline (0 hours) at 3 hours after the loading dose of each regimen, in ticagrelor and clopidogrel acute period populations. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Αt 3 hours after the loading dose of each regimen, in ticagrelor and clopidogrel acute period populations. |
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E.5.2 | Secondary end point(s) |
• The between treatment difference in the mean change in the cfPWV from baseline (0 hours) at 24 hours after the loading dose of each regimen, in the acute period populations; • The between treatment difference in the mean change in the cfPWV from baseline (0 hours) at 1 month after coronary stent placement, in the chronic period populations; • The between treatment difference in the mean change in the Central Aortic Systolic Blood Pressure (CASBP), Central Aortic Diastolic Blood Pressure (CASDP) and cPP from baseline (0 hours) at 3 and 24 hours after the loading dose of each regimen, in the acute period populations; • The between treatment difference in the mean change in the Central Aortic Systolic Blood Pressure (CASBP), Central Aortic Diastolic Blood Pressure (CASDP) and cPP from baseline at 1 month (30 days) after coronary stent placement, in the chronic period populations; • The between treatment difference in the mean change in the heart-rate-corrected AIx, from baseline (0 hours) at 3 and 24 hours after the loading dose of each regimen, in the acute period populations; • The between treatment difference in the mean change in the heart-rate-corrected AIx from baseline (0 hours) at 1 month (30 days) after coronary stent placement, in the chronic period populations; • The between treatment difference in the mean change in the brachial artery FMD from baseline (0 hours) at 3 and 24 hours after the loading dose of each regimen, in the acute period populations; • The between treatment difference in the mean change in the brachial artery FMD from baseline at 1 month (30 days) after coronary stent placement, in the chronic period populations; • The between treatment difference in the mean change in the circulating endothelial markers (plasma levels of endothelin-1, TNF-a and von-Willebrand factor) from baseline (0 hours) at 3 and 24 hours after the loading dose of each regimen, in the acute period populations; • The between treatment difference in the mean change in the plasma levels of circulating endothelial markers (endothelin-1, TNF-a and von-Willebrand factor) from baseline at 1 month (30 days) after coronary stent placement, in the chronic period populations.
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | No |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | Yes |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | Yes |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 1 |
E.8.9.1 | In the Member State concerned months | 0 |
E.8.9.1 | In the Member State concerned days | 0 |