E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Prevention of thromboembolic events in ESRD patients on hemodialysis who are at risk for thromboembolic events |
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E.1.1.1 | Medical condition in easily understood language |
Prevention of blood clots in end-stage renal disease patients |
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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 | 21.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10049910 |
E.1.2 | Term | Thromboembolism prophylaxis |
E.1.2 | System Organ Class | 100000004865 |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10066622 |
E.1.2 | Term | Chronic hemodialysis |
E.1.2 | System Organ Class | 100000004865 |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10077512 |
E.1.2 | Term | End stage renal disease |
E.1.2 | System Organ Class | 10038359 - Renal and urinary 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 clinically assess the safety of different doses of osocimab administered subcutaneously once a month as compared to placebo |
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E.2.2 | Secondary objectives of the trial |
To assess the change of key pharmacodynamic parameter from baseline |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
• Participants must be at least 18 years of age • Patients with end-stage renal disease on hemodialysis (including hemodiafiltration) for ≥3 months, receiving dialysis at least 9 hours a week and stable in the view of the investigator • Body weight of at least 50 kg • Male and/or female. Contraceptive use by men or women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies. |
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E.4 | Principal exclusion criteria |
• Recent (<6 months before screening) clinically significant bleeding • Hemoglobin (Hb) < 9.0 g/dL at screening • Platelet count < 100 x 109/L • aPTT or PT > ULN (upper limit of normal) • Hepatic disease associated with ALT > 3x ULN, or total bilirubin >2x ULN with direct bilirubin > 20% of the total • Sustained uncontrolled hypertension (diastolic blood pressure ≥100 mmHg and/or systolic blood pressure ≥ 180 mmHg) • Known intracranial neoplasm, arteriovenous malformation or aneurysm • Known bleeding disorders e.g. von-Willebrand disease or Hemophilia A, B or C • Recent (<3 months before screening) thromboembolic event, e.g. acute coronary syndrome, stroke or VTE (except dialysis access thrombosis) • Recent (<3 months before screening) major surgery or scheduled major surgery during study participation • Scheduled living donor renal transplant during study participation • Persistent heart failure as classified by the New York Heart Association (NYHA) classification of 3 or higher • Receiving antiplatelet therapy except daily ASA ≤ 150 mg/day • Receiving anticoagulation in therapeutic doses, other than standard anticoagulation during the hemodialysis procedure |
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E.5 End points |
E.5.1 | Primary end point(s) |
• Composite of major and clinically-relevant non-major bleeding events (in alignment with ISTH guidelines), as assessed by blinded Central Independent Adjudication Committee (CIAC) • Composite of moderate and severe AEs and SAEs |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
From the first dose at month 1 and up to 6 months |
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E.5.2 | Secondary end point(s) |
• Activated partial thromboplastin time (aPTT) at trough levels measured by the kaolin-trigger method and analyzed as ratio to baseline • Factor XIa (FXIa) activity at trough levels assessed with an aPTT-based coagulation test using FXI deficient plasma and analyzed as ratio to baseline |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
At baseline and after 6 months |
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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 | 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 | 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 | No |
E.8.1.4 | Double blind | Yes |
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) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 4 |
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 | 8 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 93 |
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 | No |
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 |
Austria |
Belgium |
Bulgaria |
China |
Czechia |
France |
Greece |
Hungary |
Israel |
Italy |
Japan |
Lithuania |
Netherlands |
Poland |
Portugal |
Russian Federation |
Spain |
Ukraine |
United States |
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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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The end of the study is defined as the date of the last visit of the last subject in the study globally (LVLS) |
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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 | 1 |
E.8.9.1 | In the Member State concerned days | 1 |
E.8.9.2 | In all countries concerned by the trial years | 2 |
E.8.9.2 | In all countries concerned by the trial months | 2 |
E.8.9.2 | In all countries concerned by the trial days | 15 |