E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Stable coronary artery disease (CAD) or unstable angina (troponin negative, i.e. within the normal range for the study site) with low to moderate anatomic risk and a requirement for elective percutaneous coronary angioplasty or stent insertion with an approved device in one or more de novo-treated or re-stenotic lesions in native vessels. |
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MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 7.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10011078 |
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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 |
To obtain information about the safety and effects on various pharmacodynamic markers, of three doses of argatroban when used in combination with clopidogrel and aspirin. |
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E.2.2 | Secondary objectives of the trial |
To assess the results of three doses of argatroban when used in combination with clopidogrel and aspirin and UFH when used in combination with clopidogrel and aspirin on clinical outcomes (composite and each of all-cause and cardiovascular death, myocardial infarction, urgent revascularisation at day 30, and major and minor bleeding episodes during hospital stay), adequacy of anticoagulation, various pharmacodynamic markers, pharmacokinetics and the incidence of heparin antibodies. |
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E.2.3 | Trial contains a sub-study | Information not present in EudraCT |
E.3 | Principal inclusion criteria |
To participate in this trial, patients must meet all of the following criteria:
1. Male or female (women of child bearing potential must have a negative pregnancy test prior to entry into the study)
2. Aged over 18 years
3. Diagnosis of stable coronary artery disease (CAD) or unstable angina (troponin negative, i.e. within the normal range for the study site) with low to moderate anatomic risk and a requirement for elective percutaneous coronary angioplasty or stent insertion with an approved device in one or more de novo-treated or re-stenotic lesions in native vessels
4. Signed written informed consent |
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E.4 | Principal exclusion criteria |
Patients meeting any of the following criteria will be excluded from participation in the study:
1. Any condition which, in the investigator’s opinion, contraindicates the use of argatroban, heparin or clopidogrel or endangers the patient if he/she participated in this study.
2. Known cirrhosis, hepatitis, clinically significant hepatic disorder, or history of hepatic disorder. Hepatic disorder is defined as having levels of liver function tests (bilirubin, AST (SGOT), ALT (SGPT) greater than 3.0 times above the upper limit of the normal range of local laboratory.
3. Patients not currently taking aspirin.
4. Renal insufficiency, defined as serum creatinine greater than 2.0 mg/dL (greater than 177micromol/L).
5. Platelets less than 125,000/microl.
6. If already taking any form of heparin prior to study enrolment, aPTT equal or greater than 35 sec or ACT greater than 160 sec.
7. Use of low molecular heparin (LMWH) during 12 h prior to PCI.
8. If taking oral anticoagulant medication prior to study enrolment, INR greater than 1.2.
9. Q wave MI with cardiogenic shock or thrombolytic therapy within 72 h of study dosing.
10. Use of GPIIb/IIIa inhibitors within prior 3 weeks.
11. Documented coagulation disorder or bleeding diathesis.
12. Lumbar puncture within the past 2 weeks.
13. History of previous cerebral aneurysm, haemorrhagic stroke, or thrombotic stroke within the past 6 months.
14. Active, uncontrolled peptic ulcer disease or any gastrointestinal bleeding or genitourinary bleeding within 3 months prior to study enrolment.
15. Major surgery, serious trauma, puncture of non-compressible vessel, or biopsy of parenchymal organ within prior 2 months.
16. Planned staged procedure, planned rotational atherectomy, directional coronary atherectomy, brachytherapy, or thrombectomy catheters.
17. Planned surgical intervention other than study procedure within next 7 days.
18. Presence of greater than 50% stenosis of unprotected left main coronary artery.
19. Severe peripheral vascular disease, precluding femoral access.
20. History of vasculitis.
21. Uncontrolled hypertension defined as greater than 180/120 mmHg.
22. Pregnancy (exclusion by routine urine test).
23. Lactating woman.
24. Woman of children bearing age who are or were not using accepted contraceptive methods.
25. Participation in other clinical trials of investigational products within 3 months prior to study enrolment.
26. Terminally ill patients with a life expectancy of < 3 months. |
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E.5 End points |
E.5.1 | Primary end point(s) |
A. Triple and quadruple composite and each of all-cause (and cardiovascular) death, myocardial infarction (MI), and urgent revascularisation at Day 30, and major bleeding events during hospital stay
B. Minor Bleeding Events during Hospital Stay
C. ACT value after the first dosing of study treatment (5 - 10 mins after completion of bolus)
D. Effects on pharmacodynamic markers, including some or all of: aPTT and activated clotting time (ACT), thrombin-antithrombin complex (TAT), D-dimer, ecarin test (ECAT), endogenous thrombin potential (ETP), prothrombinase-induced clotting time (PiCT), troponin (Tn), CD40L, C-Reactive Protein (CRP), Interleukin-6 (IL-6), tumour necrosis factor alpha (TNF-alpha), tissue factor (TF), tissue factor pathway inhibitor (TFPI), von Willebrand factor (vWF), low concentration ADP-induced platelet aggregation and monocyte chemotactic protein-1 (MCP-1) Measurements for D-Dimer, TAT, CD40L and CRP will be measured at baseline and 24 h, other measurements will be taken at baseline (prior to argatroban or UFH dosing), 5 - 10 mins and 30 mins after completion of bolus, at end of PCI procedure, 2 h after end of PCI procedure, and at 24 h after the end of the PCI procedure/hospital discharge
E. Number of additional boluses needed to reach minimum ACT target of 250 sec (maximum of two additional for argatroban)
F. Pharmacokinetic assay (for argatroban treatment arms): samples will be taken at baseline (prior to argatroban or UFH dosing), 5 - 10 mins and 30 mins after completion of bolus, every 30 mins until the end of PCI procedure, at the end of the procedure and every 30 mins up to 2 h after the end of the PCI procedure
G. Anti-heparin/PF4 antibody assay: samples will be taken at baseline (prior to argatroban or UFH dosing) and at the 30 days follow-up visit (for randomised patients) |
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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 | Yes |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
E.6.10 | Pharmacogenetic | Information not present in EudraCT |
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 | Yes |
E.8.1.3 | Single blind | Information not present in EudraCT |
E.8.1.4 | Double blind | Information not present in EudraCT |
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.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.5 | The trial involves multiple Member States | Yes |
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 | Information not present in EudraCT |
E.8.7 | Trial has a data monitoring committee | Information not present in EudraCT |
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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The planned termination for this study will be at day 30 for all 140 patients. On completion of the study, the termination page of the screening CRF will be completed.
Premature termination of the study must be mutually agreed upon by the Lead Investigator and Mitsubishi Pharma Corporation and must be documented. However, study results will be reported according to the requirements outlined in this protocol as far as applicable. |
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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 | |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 0 |