E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Healthy subjects between 25 and 65 years old |
Volontaires sains, d’âge compris entre 25 et 65 ans |
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E.1.1.1 | Medical condition in easily understood language |
Healthy subjects between 25 and 65 years old |
Volontaires sains, d’âge compris entre 25 et 65 ans |
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E.1.1.2 | Therapeutic area | Body processes [G] - Circulatory and Respiratory Physiological Phenomena [G09] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 18.0 |
E.1.2 | Level | HLT |
E.1.2 | Classification code | 10007574 |
E.1.2 | Term | Cardiac imaging procedures |
E.1.2 | System Organ Class | 10022891 - Investigations |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 18.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10052677 |
E.1.2 | Term | Vascular imaging |
E.1.2 | System Organ Class | 10022891 - Investigations |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 18.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10006093 |
E.1.2 | Term | Bradycardia |
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 |
To assess the effect of heart rate reduction after repeated administration of ivabradine on wall viscosity of the common carotid artery in healthy subjects |
Evaluer l'effet de la bradycardie induite par l’administration répétée d’ivabradine sur la viscosité pariétale de l’artère carotide primitive chez des sujets sains. |
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E.2.2 | Secondary objectives of the trial |
- To assess the effect of heart rate reduction after repeated administration of ivabradine on vascular geometry and function, and cardiovascular haemodynamics in healthy subjects
- To assess the role of aging on the effect of heart rate reduction after repeated administration of ivabradine on all these parameters in healthy subjects
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- Evaluer l'effet de la bradycardie induite par l’administration répétée d’ivabradine sur la géométrie et la fonction vasculaire et sur l'hémodynamique systémique chez des sujets sains. - Evaluer l’influence de l’âge sur l'effet de la bradycardie induite par l’administration répétée d’ivabradine pour l’ensemble des paramètres précédents chez des sujets sains. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
• Healthy subject • Aged between 25 and 65 years old • Caucasian • Resting heart rate mesured three times after a rest period of 15 min ≥ 70 bpm • No significant ECG abnormality • No significant biological abnormality • Childbearing age women must have effective contraception (estrogen-progestin contraceptives, intrauterin device or tubal ligation). Will be considered postmenopausal women with amenorrhea for more than 2 years • Able to read and understand information form and to give written informed consent • Subjects with medical insurance |
Sujet sain Agé de 25 à 65 ans Origine caucasienne FC de base ≥ 70 bpm, calculée sur 3 mesures après une période de repos de 15 minutes Absence d’anomalie cliniquement significative de l’ECG Absence d’anomalie cliniquement significative sur la biologie d’inclusion Volontaire sain ayant lu et compris la lettre d’information et signé le formulaire de consentement. Volontaire sain bénéficiant d'un régime d'assurance maladie Femmes en âge de procréer ayant une contraception efficace (oestro-progestatifs ou dispositif intra-utérin ou ligature des trompes) depuis 2 mois. (NB : Seront considérées comme ménopausées les femmes présentant une aménorrhée depuis plus de 2 ans) |
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E.4 | Principal exclusion criteria |
• Subjects who don’t understand French language
• Subjects deprived of liberty by an administrative or judicial decision or protected adult subject (under guardianship)
• Pregnant women, nursing mother or women without contraception
• Subjects who participate to an other trial / participated to an other interventional research without drugs during the last month or a trial with drugs during the last 3 months
• Hypersensitivity to the active substance or to any of the excipients
• Congenital galactosemia, lactase deficiency (Lapp), malabsorption of glucose and galactose
• Severe hypotension, mesured three times after a rest period of 15 min (< 90/50 mmHg)
• Essential or secondary hypertension, mesured three times after a rest period of 15 min (SBP ≥140 mmHg and/or DBP ≥90 mmHg)
• Smoking at the day of inclusion (>5 cigarettes/day)
• Severe hypercholesterolemia (Total cholesterol >2,5 g/L)
• Subjects who practice sports intensively (≥ 1 hour/day)
• Renal insufficiency (creatinine clearance ≤ 60 ml/min/1,73 m² Cockroft and Gault formula)
• Known liver failure
• Known heart failure or suspected heart failure (congestive episode)
• Atrial fibrillation
• High-grade conduction block (Sick sinus syndrome, sino-atrial block or grade 2 or 3 atrio-ventricular block)
• Abnormal corrected QT with Bazett formula (cQT > 450 ms (men) or > 470 ms (women)).
• Pacemaker
• All cardiac or no cardiac diseases, active or with sequelae, which, in the opinion of the investigator, is accompanied by a risk of cardiac or vascular abnormality
• Known retinal disease
• Subject disagrees with the prohibition of taking grapefruit juice, millepertuis or any medication during the study except oral contraceptive, acetaminophene or decision of the investigator. (annex n°02)
• Administration of any medication listed in anex n°02 (aspirin, NSAID and inhibitors of cytochrome P450 3A4) during the previous week. |
• Sujets comprenant mal le français parlé ou écrit • Personne privée de liberté par une décision administrative ou judiciaire ou sujet majeur protégé (sous tutelle ou curatelle) • Femme enceinte ou allaitant ou absence de contraception avérée • Volontaire sain participant à un autre essai / ayant participé à une autre recherche interventionnelle dans un délai de 1 mois ou à un essai médicament dans un délai de 3 mois • Hypersensibilité connue à la substance active, aux excipients ou au contenant (gélules) • Galactosémie congénitale, déficit en lactase (Lapp), ou syndrome de malabsorption du glucose et du galactose • Indice de masse corporelle (IMC) < 18 kg/m² ou > 30 kg/m² • Hypotension sévère calculée sur 3 mesures après une période de repos de 15 minutes (< 90/50 mmHg) • Hypertension artérielle primaire ou secondaire connue ou découverte à l’inclusion sur 3 mesures après une période de repos de 15 minutes (PAS≥140 mmHg et/ou PAD≥90 mmHg) • Tabagisme au jour de l’inclusion (>5 cigarettes/jour) • Hypercholestérolémie sévère (cholestérol total>2,5 g/L) • Pratique du sport de façon intensive (≥ 1 heure/jour) • Insuffisance rénale définie par une clairance de la créatinine ≤ 60 ml/min/1,73 m² avec la formule de Cockroft et Gault • Insuffisance hépatique connue • Insuffisance cardiaque connue ou suspectée sur la notion d’épisode congestif • Fibrillation auriculaire • Troubles de conduction de haut degré (Maladie du sinus, bloc sino-auriculaire, bloc auriculo-ventriculaire du 2e et 3e degré) • QT corrigé par la formule de Bazett anormal (QTc > 450 ms (homme) ou > 470 ms (femme)). • Porteurs d’un stimulateur cardiaque • Toute autre pathologie susceptible d’altérer l’état du système cardio-vasculaire : toute pathologie cardiaque ou non, active ou ancienne avec séquelles qui selon l’avis de l’investigateur s’accompagne d’un risque d’atteinte cardiaque ou vasculaire • Pathologie rétinienne connue • Administration de tous médicaments (sauf contraceptif oral, paracétamol ou avis contraire de l’investigateur) listés en annexe 2 dans les 4 semaines qui précèdent la visite d’inclusion.
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E.5 End points |
E.5.1 | Primary end point(s) |
Magnitude of change in wall viscosity of the common carotid artery after repeated administration of ivabradine and placebo in healthy subjects. |
Différence d'amplitude de la variation de la viscosité de l’artère carotide primitive entre l’ivabradine et un placebo chez des sujets sains. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
This study contain five visits. At each visit, from the first (V1) to the fourth visit (V4), the primary criteria will be evaluated. In fact, vascular echotracking and applanation tonometry will enable us to evaluate the primary criteria during the first(two to ten days after inclusion visit), second (6 days after V1), third (12 to 16 days after V2) and fourth (6 days after V3) visit. |
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E.5.2 | Secondary end point(s) |
- Magnitude of change in diameter, intima-media thickness and carotid distensibility and carotid to femoral pulse wave velocity after repeated administration of ivabradine and placebo in healthy subjects . - Magnitude of change in plasma levels of biomarkers of endothelial function and in endothelial shear stress after repeated administration of ivabradine and placebo in healthy subjects - Magnitude of change in peripheral and central pressures, augmentation index, Buckberg index and cardiac output after repeated administration of ivabradine and placebo in healthy subjects. - Relationship between age and the magnitude of change in all previous parameters after repeated administration of ivabradine and placebo, in healthy subjects. |
- Différence d'amplitude de la variation du diamètre, de l'épaisseur intima-média et de la distensibilité carotidienne et de la vitesse de l'onde de pouls carotido-fémorale entre l’ivabradine et un placebo chez des sujets sains. - Différence d'amplitude de la variation des concentrations plasmatiques des marqueurs biologiques de fonction endothéliale et de la contrainte de cisaillement endothéliale entre l’ivabradine et un placebo chez des sujets sains. - Différence d'amplitude de la variation des pressions centrales et périphériques de l’index d’augmentation, de l’index de Buckberg et du débit cardiaque entre l’ivabradine et un placebo chez des sujets sains. - Relation entre l’âge et la différence d’amplitude de variation, entre l’ivabradine et un placebo, de l’ensemble des paramètres précédents chez des sujets sains.
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
The examinations which will allow to assess these secondary criteria are : -Applanation tonometry -Vascular echo-tracking -Automated velocimetry -Biological examination -High Resolution Doppler -Vascular oscillometry -Bio-impedancemetry This study contain five visits. At each visit, from the first (V1) to the fourth visit (V4), the secondary cirteria will be evaluated : -First visit (V1), two to ten days after inclusion visit, -Second visit(V2), 6 days after V1, -Third visit (V3), 12 to 16 days after V2, -Fourth visit (V4), 6 days after V3. |
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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) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
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 | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
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) | No |
E.8.2.2 | Placebo | Yes |
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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LVLS |
Dernière visite dernier patient |
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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 | |
E.8.9.1 | In the Member State concerned months | 20 |
E.8.9.1 | In the Member State concerned days | |