E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Acute major bleeding in patients receiving DOAC therapy with factor Xa inhibitor |
Hemorragia grave aguda en pacientes que reciben tratamiento con DOAC e inhibidores del factor Xa |
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E.1.1.1 | Medical condition in easily understood language |
Acute major bleeding in patients on oral anticoagulants |
Hemorragia grave aguda en pacientes con anticoagulantes orales |
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E.1.1.2 | Therapeutic area | Diseases [C] - Blood and lymphatic diseases [C15] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10009731 |
E.1.2 | Term | Coagulation disorder |
E.1.2 | System Organ Class | 100000004851 |
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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 demonstrate superior haemostatic effectiveness of OCTAPLEX dosed at 50 IU/Kg body weight vs. 15 IU/Kg body weight for emergency reversal of the anticoagulant effect of DOACs in patients with major bleeding associated with factor Xa inhibition. |
Demostrar la superioridad de la eficacia hemostática de OCTAPLEX administrado a 50 UI/kg de peso corporal frente a 15 UI/kg de peso corporal para la reversión de urgencia del efecto anticoagulante de los ACOD en pacientes con hemorragia grave asociada a la inhibición del factor Xa. |
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E.2.2 | Secondary objectives of the trial |
To evaluate the effect of OCTAPLEX on thrombin generation in patients with acute major bleeding on DOAC therapy with factor Xa inhibitor.
To evaluate the safety of OCTAPLEX in patients with acute major bleeding on DOAC therapy with factor Xa inhibitor. |
Evaluar el efecto de OCTAPLEX en la generación de trombina en pacientes con hemorragia grave aguda en tratamiento con ACOD con inhibidor del factor de Xa.
Evaluar la seguridad de OCTAPLEX en pacientes con hemorragia grave aguda en tratamiento con ACOD con inhibidor del factor de Xa. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Patients who received or who are believed by the investigator to have received a dose of oral factor Xa inhibitor • Aged ≥18 years • Patients who have given written informed consent or for whom written informed consent has been obtained from the patient's legally authorised representative on their behalf • Patients who have acute major bleeding defined as follows: - Bleeding that is potentially life-threatening or uncontrolled, e.g., with signs or symptoms of haemodynamic compromise, such as severe hypotension, poor skin perfusion, or low cardiac output that cannot be otherwise explained OR - Symptomatic bleeding in critical organs (intracranial, intraspinal, intraocular, retroperitoneal, intra-articular, pericardial, or intramuscular with compartment syndrome) OR - Acute overt bleeding associated with a fall in haemoglobin (Hgb) level of ≥2 g/dL, OR a Hgb level ≤8 g/dL if no baseline Hgb level is available, OR in the opinion of the investigator that the patient’s Hgb level will fall to ≤8 g/dL with resuscitation • Patients with baseline anti-factor Xa activity equivalent to at least 100 ng/mL according to the available test (e.g., chromogenic assay) |
Pacientes que hayan recibido o que el investigador crea que han recibido una dosis de inhibidor del factor Xa oral • Edad ≥18 años • Pacientes que hayan dado su consentimiento informado por escrito o para los que se haya obtenido el consentimiento informado por escrito del representante legalmente autorizado del paciente en su nombre. • Pacientes con hemorragia grave aguda, definida como sigue: - Hemorragia potencialmente mortal o sin controlar, p. ej., con signos y síntomas de afectación hemodinámica, como hipotensión grave, perfusión cutánea deficiente o gasto cardiaco bajo que no pueda explicarse de otro modo O - Hemorragia sintomática en órganos esenciales (intracraneal, intravertebral, intraocular, retroperitoneal, intraarticular, pericárdica o intramuscular con síndrome compartimental) O - Hemorragia aguda manifiesta asociada a una disminución del nivel de hemoglobina (Hgb) de ≥2 g/dl O un nivel de Hgb ≤8 g/dl si no se dispone del nivel de Hgb inicial O, a juicio del investigador, que el nivel de Hgb del paciente vaya a disminuir a ≤8 g/dl con la reanimación • Pacientes con actividad antifactor Xa inicial equivalente a al menos 100 ng/ml de acuerdo con la prueba disponible (p. ej., ensayo cromogénico) |
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E.4 | Principal exclusion criteria |
• Patients with bleeding that is immediately life-threatening • Patients with ‘Do not resuscitate’ (DNR) orders • Patients with acute trauma for which reversal of DOAC therapy with factor Xa inhibitor alone would not be expected to control the bleeding event • Hgb decrease without accompanying evidence of source of bleeding • Acute coronary syndrome, ischaemic stroke or venous thromboembolism (VTE) within the preceding 3 months • Patients with a history, within the last 3 months, of disseminated intravascular coagulation (DIC) or hyperfibrinolysis • Patients with a known congenital bleeding disorder • Known inhibitors to coagulation factors II, VII, IX, or X; heparin-induced, type II thrombocytopenia; or immunoglobulin A (IgA) deficiency with known antibodies against IgA • Known hypersensitivity to plasma-derived products • Patients who received haemostatic agents, including plasma, platelets, PCC, activated PCC (aPCC), recombinant factor VIIa, or recombinant factor Xa inactivated-zhzo (andexanet alfa), for the current bleeding event prior to enrolment (antifibrinolytic drugs and local haemostatic agents are allowed) • Patients who received ticlopidine within 14 days, prasugrel within 7 days, clopidogrel within 5 days, ticagrelor within 5 days or cangrelor within 1 hour preceding the bleeding event • Patients on enoxaparin therapy for thromboembolic prophylaxis • A score of less than 7 on the Glasgow Coma Scale or an estimated intracerebral haematoma volume of more than 60 mL • Patients with expected survival of less than 3 days • Patients scheduled to undergo surgery in less than 12 hours, with the exception of some minor/invasive procedures that are allowed for diagnostic or therapeutic reasons (see Section 4.1.2) • Patients who are pregnant or breastfeeding at the time of enrolment • Patients previously enrolled in this study • Patients participating in another interventional clinical treatment study currently or during the past 1 month prior to study inclusion |
Pacientes con hemorragia que sea potencialmente mortal de inmediato (véase el apartado 4.1.2) 2. Pacientes con órdenes de no reanimación 3. Pacientes con traumatismos agudos para los que no se espera que la reversión del tratamiento con ACOD con inhibidor del factor Xa por sí solo controle el acontecimiento hemorrágico 4. Disminución de la Hgb sin evidencia de la fuente de la hemorragia 5. Síndrome coronario agudo, accidente cerebrovascular isquémico o tromboembolia venosa (TEV) en los 3 meses anteriores 6. Pacientes con antecedentes, en los últimos 3 meses, de coagulación intravascular diseminada (CID) o hiperfibrinólisis 7. Pacientes con un trastorno hemorrágico congénito conocido 8. Inhibidores conocidos de los factores de coagulación II, VII, IX o X; trombocitopenia de tipo II inducida por heparina; o deficiencia de inmunoglobina A (IgA) con anticuerpos conocidos frente a IgA 9. Hipersensibilidad conocida a los productos derivados de plasma 10. Pacientes que recibieron fármacos hemostáticos, incluido plasma, plaquetas, CCP, CCP activado (CCPa), factor VIIa recombinante o factor Xa recombinante con zhzo inactivado (andexanet alfa) para el acontecimiento hemorrágico actual con anterioridad a la inclusión (se permiten los fármacos antifibrinolíticos y los fármacos hemostáticos locales) 11. Pacientes que recibieron ticlopidina en los 14 días anteriores, Prasugrel en los 7 días anteriores, clopidogrel en los 5 días anteriores, ticagrelor en los 5 días anteriores o cangrelor en la hora anterior al acontecimiento hemorrágico 12. Pacientes en tratamiento con enoxaparina para la profilaxis tromboembólica 13. Una puntuación de menos de 7 en la Escala de Coma de Glasgow o un volumen estimado del hematoma intracerebral de más de 60 ml 14. Pacientes con una supervivencia prevista de menos de 3 días 15. Pacientes que tienen programado someterse a cirugía en menos de 12 horas, a excepción de algunos procedimientos menos/invasivos que se permiten por razones diagnósticas o terapéuticas 16. Pacientes que estén embarazadas o en periodo de lactancia en el momento de la inclusión 17. Pacientes incluidos anteriormente en este estudio 18. Pacientes que participen en otro estudio con un tratamiento clínico intervencionista en la actualidad |
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E.5 End points |
E.5.1 | Primary end point(s) |
The proportion of patients in whom OCTAPLEX demonstrates haemostatic effectiveness, i.e., binary outcome of effective (rating of excellent or good) or non-effective (rating of poor/none) in management of major bleeding events. |
La proporción de pacientes en los que OCTAPLEX demuestre una eficacia hemostática, es decir, variable binaria de eficaz (valoración de excelente o buena) o no eficaz (valoración de deficiente/ninguna) en el tratamiento de los acontecimientos hemorrágicos graves |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Within 24 hours after the start of initial management, as assessed by the Independent Data Monitoring and Endpoint Adjudication Committee (IDMEAC) according to predefined criteria (Section 7.2 of the protocol). |
En las 24 horas posteriores al inicio del tratamiento inicial, según la evaluación del Comité de Monitorización de Datos y Adjudicación de Criterios (IDMEAC, en inglés) de acuerdo con los criterios preestablecidos (Seccion 7.2 del protocolo) |
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E.5.2 | Secondary end point(s) |
• Change in endogenous thrombin potential (ETP) as measured by thrombin generation assay (TGA) from baseline to 1 hour after OCTAPLEX administration • 30-day event rate of thromboembolic events (TEEs) and all-cause mortality • Occurrence of adverse events (AEs) during a 48-hours follow up period after OCTAPLEX administration • Vital signs and laboratory parameters during a 48-hours follow up period after OCTAPLEX administration |
Cambio en el potencial endógeno de trombina (ETP, en inglés), según la medición del ensayo de generación de trombina (TGA) desde el inicio hasta 1 hora después de la administración de OCTAPLEX Tasa de acontecimientos tromboembólicos (ATE) a los 30 días y mortalidad por cualquier causa Aparición de acontecimientos adversos (EA) durante un período de seguimiento de 48 horas tras la administración de OCTAPLEX Signos vitales y parámetros de laboratorio durante un período de seguimiento de 48 horas después de la administración de OCTAPLEX |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
From baseline to 30 days after infusion. |
Desde el inicio hasta 30 días después de la infusión. |
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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 | Yes |
E.6.4 | Safety | Yes |
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 | 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 | No |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
Mismo fármaco con distinta dosis |
Same study drug with different dose |
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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 | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 30 |
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 |
Canada |
United States |
Austria |
France |
Poland |
Spain |
Germany |
Ukraine |
United Kingdom |
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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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Last visit last subject |
Última visita del último paciente. |
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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 | 4 |
E.8.9.1 | In the Member State concerned days | |
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 | 6 |