E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Paroxysmal, persistent or permanent nonvalvular atrial fibrillation |
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MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 8.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10003658 |
E.1.2 | Term | Atrial fibrillation |
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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 provide dose-guiding information through evaluation of safety and tolerability of four dosing regimens of AZD0837 in relation to Vitamin-K antagonist (VKA) treatment in atrial fibrillation (AF) patients with moderate to high risk of stroke. |
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E.2.2 | Secondary objectives of the trial |
To evaluate the pharmacokinetics (PK) of the active form of AZD0837 (AR H067637XX) with special regard to: - Evaluation of the influence of concomitant medications on the PK variables of AR H067637XX in plasma with special regards to estimated systemic exposure - Assessment of the relationship between systemic plasma exposure of AR H067637XX and clinical events (AEs) To evaluate the pharmacodynamic (PD) properties of AZD0837 in the patient population.
To evaluate the influence of a genetic variant (C3435T) of the MDR1 gene, coding for the drug transporter P-glycoprotein (P-gp), on PK parameters of AZD0837 and/or its metabolites. To collect and store DNA, for future retrospective research into genes that may influence therapeutic response of AZD0837 and VKA. Appropriate informed consent will be obtained before genetic blood sampling.
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Signed informed consent given by the patient before any study-specific procedures are initiated.
Paroxysmal, persistent or permanent nonvalvular AF (NVAF) verified by at least two ECGs in the last year separated by at least one week; for: Patients not on VKA treatment: the second ECG should be carried out within the 2 weeks prior to randomization. VKA treated patients: the second ECG should be carried out within the 12 weeks prior to randomization.
In addition to AF the patient must have one or more risk factors according to the following:
Either one of the following risk factors (high risk patient): - Previous cerebral ischemic attack (stroke or TIA, >30 days prior to randomization) - Previous systemic embolism
or at least one of the following risk factors (1 risk factor = moderate risk patient, 2 or more risk factors = high risk patient): - Age ≥75 years - Symptomatic congestive heart failure (CHF) - Impaired left ventricular systolic function - Diabetes mellitus - Hypertension requiring anti-hypertensive treatment (Hypertensive patients who are enrolled and randomized into the study should be well controlled and have antihypertensive treatment aiming for a blood pressure <160/100 mmHg).
For inclusion in the genetic research (see Appendix D), patients must fulfil the following criterion:
Provision of informed consent for genetic research
If a patient declines to participate in the genetic research, there will be no penalty or loss of benefit to the patient. The patient will not be excluded from other aspects of the study described in this Clinical Study Protocol, so long as they consent.
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E.4 | Principal exclusion criteria |
Aged <18 years at randomization
Weight <40 kg at enrolment
Child bearing potential, ie women must be either post-menopausal a, permanently sterilised or, if of childbearing potential, must have a negative pregnancy test prior to initiation of study drug and use a reliable form of contraception b before and during participation in the study. a Post menopausal patients are defined as patients with: natural or induced menopause with last menstruation >1 year ago or bilateral oophorectomy. b Reliable form of contraception is defined as: double-barrier method (condoms with spermicide, diaphragm with spermicide), oral contraceptive, implant, long term injectable contraceptive, intrauterine device or tubal ligation. However, female patients using hormonal anti conception method (oral, transdermal, vaginal ring or combination injectables) must agree to use an additional barrier method for contraception (condom or diaphragm).
AF secondary to reversible disorders, eg hyperthyroidism, drugs and pulmonary embolism
Known contraindication to VKA treatment
Presence of a valvular heart disease, mechanical heart valves, active endocarditis, left ventricular aneurysm or thrombus, atrial myxoma or any condition other than AF requiring chronic anticoagulation treatment
Myocardial infarction, heart surgery (eg coronary artery bypass graft, CABG) or percutaneous transluminal coronary angioplasty (PTCA) within the previous three months prior to randomization
Stroke or transient ischaemic attack (TIA) and/or systemic embolism within the previous 30 days prior to randomization
Conditions associated with increased risk of major bleeding for example: - history of intracranial bleeding - history of bleeding gastrointestinal disorder and/or endoscopically verified ulcer disease within the last year prior to randomization - major surgical procedure or trauma two weeks prior to randomization
Diastolic blood pressure (DBP) >100 mmHg or systolic blood pressure (SBP) >180 mmHg with or without antihypertensive treatment
Renal impairment (calculated creatinine clearance <30 ml/min)
Known hepatic disease and/or ALAT >3xULN at enrolment
History or presence of Human Immunodeficiency Virus (HIV) or infectious hepatitis including known HbSAg positive or antibodies against Hepatitis C
Known Gilberts syndrome
Anaemia (Hb<100 g/L = 6.2 mmol/L)
Platelet count <100 x 109/L
Treatment with antiplatelet other than ASA ≤100 mg/day or fibrinolytic agents within 10 days before randomization
Planned cardioversion or surgery during the study
Other serious disease that give a calculated survival less than 12 months or any condition making a patient too frail to participate in the study
Known drug addiction and/or alcohol abuse
Inability to complete the study according to the protocol
Previous enrolment or randomization of treatment in the present study. Participating in any other clinical study within 4 weeks (in UK within 12 weeks) prior to enrolment
Treatment with AZD0837 in previous or ongoing AZD0837 study(ies)
Involvement in the planning and conduct of the study (applies to both AstraZeneca staff or staff at the study site)
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E.5 End points |
E.5.1 | Primary end point(s) |
Primary outcome variables (safety):
- Adverse events (AE), including bleedings - electrocardiogram - vital signs (blood pressure and pulse) - laboratory values - physical examination
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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 | 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 | Yes |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | Information not present in EudraCT |
E.6.13 | Others | Information not present in EudraCT |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | Information not present in EudraCT |
E.7.1.2 | Bioequivalence study | Information not present in EudraCT |
E.7.1.3 | Other | Information not present in EudraCT |
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 | No |
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 | Yes |
E.8.1.7.1 | Other trial design description |
4 groups will receive AZD0837 in a double-blind fashion, 1 group will receive open label VKA |
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E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | Yes |
E.8.2.2 | Placebo | Yes |
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.8.4.1 | Number of sites anticipated in Member State concerned | 7 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 100 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | Information not present in EudraCT |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
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E.8.7 | Trial has a data monitoring committee | Yes |
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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End of trial is defined as date of database lock (including data from TC follow-up). After this time point, no patient will be exposed to study-related activities. |
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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 | 21 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial months | 21 |