E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Acquired thrombotic thrombocytopenic purpura (TTP) |
Púrpura trombocitopénica trombótica (PTT) adquirida |
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E.1.1.1 | Medical condition in easily understood language |
TPP is a rare condition in which the blood becoms "sticky" and forms clots within the blood vessels in different parts of the body. |
La PTT es una enfermedad rara que se caracteriza por la viscosidad excesiva de la sangre y por la formación de coágulos en los vasos sanguíneos de distintas partes del cuerpo. |
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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 | 19.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10043648 |
E.1.2 | Term | Thrombotic thrombocytopenic purpura |
E.1.2 | System Organ Class | 10005329 - Blood and lymphatic system disorders |
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E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
•To evaluate long-term safety and efficacy of caplacizumab •To evaluate safety and efficacy of repeated use of caplacizumab •To characterize long term impact of TTP |
• Evaluar la seguridad y la eficacia a largo plazo de caplacizumab • Evaluar la seguridad y la eficacia de la utilización repetida de caplacizumab • Caracterizar el impacto a largo plazo de la PTT |
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E.2.2 | Secondary objectives of the trial |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Each potential subject must satisfy all of the following criteria to be enrolled in the study: 1.Completed the Final (28 day) FU visit in Study ALX0681-C301. 2.Is ≥18 years of age at the time of signing the informed consent form (ICF). 3.Provided informed consent prior to initiation of any study specific activity/procedure. |
Cada paciente potencial debe satisfacer todos los siguientes criterios para poder ser incluido en el estudio: 1. Haber completado la visita Final del Seg (28 días) del Estudio ALX0681-C301. 2. Tener ≥18 años de edad en el momento de la firma del formulario de consentimiento informado (FCI). 3. Haber proporcionado su consentimiento informado antes de la realización de cualquier actividad/procedimiento específico del estudio. |
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E.4 | Principal exclusion criteria |
The criteria for exclusion are the following: 1.Not being able/willing to comply with the study protocol procedures. 2.Currently enrolled in a clinical study with another investigational drug or device. |
Los criterios de exclusión son los siguientes: 1. No ser capaz/no estar dispuesto a cumplir con los procedimientos del protocolo del estudio. 2. Estar incluido actualmente en un ensayo clínico con otro fármaco o dispositivo en investigación. |
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E.5 End points |
E.5.1 | Primary end point(s) |
•Proportion of subjects with TTP-related events, number of TTP-related events and time to event •Mortality rate during the study •Proportion of subjects with recurrence of disease, number of recurrences, and time to recurrence •Proportion of subjects with reported major thromboembolic events, number of events, and time to event •Cognitive function •Quality of life •Immunogenicity of (repeated) treatment with caplacizumab. |
• Proporción de pacientes con acontecimientos relacionados con la PTT, número de acontecimientos relacionados con la PTT y tiempo hasta el acontecimiento. • Tasa de mortalidad durante el estudio • Proporción de pacientes con recidiva de la enfermedad, número de recidivas y tiempo hasta la recidiva • Proporción de pacientes con notificación de acontecimientos tromboembólicos mayores, número de acontecimientos y tiempo hasta el acontecimiento. • Función cognitiva • Calidad de vida • Inmunogenicidad del tratamiento (repetido) con caplacizumab |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
From screening until last follow-up visit |
Desde el momento del diagnostico hasta la visita de seguimiento. |
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E.5.2 | Secondary end point(s) |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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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 | No |
E.8.1.1 | Randomised | No |
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 | No |
E.8.1.7 | Other | Yes |
E.8.1.7.1 | Other trial design description |
Prospective follow-up for subject who completed study ALX0681-C301 |
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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 | No |
E.8.2.4 | Number of treatment arms in the trial | 1 |
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 | 6 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 47 |
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 |
Australia |
Austria |
Belgium |
Canada |
Czech Republic |
France |
Germany |
Hungary |
Israel |
Italy |
Netherlands |
Spain |
Switzerland |
Turkey |
United Kingdom |
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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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 4 |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 4 |