E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Coronary artery disease |
Enfermedad arterial coronaria |
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E.1.1.1 | Medical condition in easily understood language |
Narrowing of coronary arteries that can cause lack of oxygen supply to the heart producing chest pain and infarction |
Estrechamiento de las arterias coronarias que puede causar falta de aporte de oxígeno al corazón produciendo dolor torácico e infarto |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cardiovascular Diseases [C14] |
MedDRA Classification |
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 |
The primary objective of the present study is to compare platelet inhibitory effects achieved after one week of treatment with ticagrelor versus clopidogrel, both on top of aspirin therapy, in patients with type 2 diabetes mellitus and coronary artery disease |
El objetivo primario de este estudio es comparar la inhibición plaquetar alcanzada tras una semana de tratamiento con ticagrelor frente a clopidogrel, asociados a ácido acetilsalicílco, en pacientes con Diabetes Mellitus tipo 2 y cardiopatía isquémica |
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E.2.2 | Secondary objectives of the trial |
1. To assess the pharmacodynamic impact of ticagrelor and clopidogrel loading and maintenance doses in type 2 diabetes mellitus patients, measured with different platelet function assays 2. To compare the percentage of patients with low-responsiveness to either ticagrelor or clopidogrel therapy. |
1. Evaluar el impacto farmacodinámico de la dosis carga y de mantenimiento de ticagrelor y clopidogrel en pacientes con diabetes mellitus tipo 2, medidos con diferentes tests de función plaquetar 2. Comparar el porcentaje de pacientes con baja respuesta a ticagrelor o clopidogrel |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Provision of informed consent prior to any study specific procedures 2. Age between 18 and 75 years 3. Type 2 diabetes mellitus according to ADA criteria 4. Angiographically documented coronary artery disease 5. Chronic treatment (>1 month) with aspirin (100mg/day) |
1. Firma del consentimiento informado antes de recibir cualquier tratamiento o procedimiento específico del estudio. 2. Edad entre 18 y 75 años. 3. Diabetes mellitus tipo 2 de acuerdo a los criterios de la ADA. 4. Cardiopatía isquémica confirmada por angiografía. 5. Tratamiento crónico (>1 mes) con aspirina (100mg/día). |
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E.4 | Principal exclusion criteria |
1. Known allergies to aspirin, clopidogrel, or ticagrelor 2. Blood dyscrasia or bleeding diathesis 3. Any recent acute coronary syndrome (<30 days) or hemodinamic instability 4. Recent antiplatelet therapy (<14 days), with the exception of ASA, including: thienopyridines, cilostazol, dipiridamol, glycoprotein IIb/IIIa inhibitors 5. Oral anticoagulation with a coumarin derivative 6. Any active bleeding 7. Recent history of stroke, transient ischemic attack or intracranial bleeding (<6 months prior to inclusion) 8. Platelet count <100x106/microl 9. Any active neoplasm 10. Severe chronic kidney disease (creatinine clearance measured with Cockcroft-Gault formula <30ml/min) 11. Baseline ALT >2.5 times the upper limit of normality 12. Pregnant or childbearing females |
1. Alergias a aspirina, clopidogrel o ticagrelor. 2. Discrasias sanguíneas. 3. Cualquier síndrome coronario agudo reciente (<30 días) o inestabilidad hemodinámica. 4. Tratamiento antiplaquetar reciente (<14 días), con la excepción de aspirina, incluyendo: tienopiridinas, cilostazol, dipiridamol, inhibidores de la glicoproteína IIb/IIIa. 5.Anticoagulación oral con un derivado cumarínico. 6. Hemorragia activa. 7. Historia reciente de ictus, accidente isquémico transitorio o hemorragia intracraneal (<6 meses previos al período de inclusión). 8. Recuento plaquetar <100x106/microl. 9. Insuficiencia renal severa, definida como filtrado glomerular (fórmula de Cockcroft-Gault) <30mL/min. 10. Neoplasia activa. 11. ALT basal superior a 2,5 veces el límite normal de la normalidad. 12. Gestación. |
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary endpoint is the comparison of the degree of maximal platelet aggregation, measured with light transmittance aggregometry (using 20 ?M ADP as agonist), achieved after 1 week of treatment |
El end point primario es la comparación en la máxima agregación plaquetar, medida con agregometría óptica (utilizando 20microM de ADP como agonista), alcanzada tras una semana de tratamiento |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
After 1 week of treatment with ticagrelor compared to clopidogrel |
Tras 1 semana de tratamiento con ticagrelor comparado con clopidogrel |
|
E.5.2 | Secondary end point(s) |
Assessment of platelet reactivity after 1 week of treatment with ticagrelor compared with clopidogrel (maintenance dose) measured by: a) Analysis of phosphorilation of vasodilator-stimulated phosphoprotein; b) VerifyNow system; c) Multiple electrode aggregometry Assesment of platelet reactivity after a loading dose of ticagrelor compared to clopidogrel with all platelet funtion assays performed |
Evaluación de la reactividad plaquetar tras 1 semana de tratamiento con ticagrelor comparado con clopidogrel (dosis mantenimiento) medida con: a) Análisis de la fosforilación de la vasodilator-stimulated phosphoprotein; b) VerifyNow system; c) Agregometría de electrodos múltiples Evaluación de la reactividad plaquetar tras dosis de carga de ticagrelor comparado con clopidogrel con todos los tests de función plaquetar empleados |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Loading dose: 2 hours and 24 hours Maintenance dose: 1 week |
Dosis de carga: 2 horas y 24 horas Dosis de mantenimiento: 1 semana |
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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 | No |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | Yes |
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) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
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 | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | Yes |
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
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 2 |
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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LVLS |
Última visita del último sujeto incluido |
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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 | 2 |
E.8.9.1 | In the Member State concerned months | 6 |
E.8.9.1 | In the Member State concerned days | |