E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Haemophagocytic lymphohistiocytosis. |
Linfohistiocitosis hemofagocítica. |
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E.1.1.1 | Medical condition in easily understood language |
A rare, life-threatening condition affecting predominantly children. The disease is characterized by uncontrolled hyper-inflammation on the basis of underlying immune deficiencies. |
Rara y potencialmente enfermedad mortal que afecta predominantemente a niños. La enfermedad se caracteriza por la incontrolada hiper- inflamación basándose en subyacente deficiencias inmunológicas |
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E.1.1.2 | Therapeutic area | Diseases [C] - Immune System Diseases [C20] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 19.0 |
E.1.2 | Level | SOC |
E.1.2 | Classification code | 10010331 |
E.1.2 | Term | Congenital, familial and genetic disorders |
E.1.2 | System Organ Class | 10010331 - Congenital, familial and genetic 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 determine the safety and tolerability profile of multiple IV administrations of NI-0501 To determine the efficacy and benefit/risk profile of NI-0501 in HLH patients To describe the pharmacokinetic (PK) profile of NI-0501 in HLH patients To determine the PD effects (levels of circulating Total IFNgamma and biomarkers of its neutralization namely CXCL9 and CXCL10) To define an appropriate NI-0501 therapeutic dose regimen for HLH TO determine other biomarkers, eg sCD25, IL-10 To assess the immunogenicity of NI-0501 |
Determinar la seguridad y el perfil de tolerabilidad de administraciones intravenosas (IV) múltiples de NI-0501 Determinar la eficacia y el perfil riesgo/beneficio de NI-0501 en paciente LHH Describir el perfil PK de NI-0501 en pacientes LHH. Determinar los efectos FD (niveles totales de IFNgamma circulante y biomarcadores de su neutralización como CXCL9 y CXCL10) Definir un regimen de dosis terapeutica de NI-0501 adecuado para HLH Determinar otro bio marcadores, ej: SCD25, IL-10 Evaluar la inmunogenicidad de NI-0501. |
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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 |
1. Primary HLH patients of both genders, up to and including 18 years at diagnosis of HLH. The diagnosis of HLH must be made on the basis of the following criteria (as per HLH-2004 protocol): a. A molecular diagnosis or familial history consistent with primary HLH OR b. Five out of the eight criteria below are fulfilled: - Fever - Splenomegaly - Cytopenias affecting 2 of 3 lineages in the peripheral blood (hemoglobin < 90 g/L; platelets < 100 x 109/L; neutrophils < 1 x 109/L) - Hypertriglyceridemia (fasting triglycerides > 3 mmol/L or > 265 mg/dL) and/or hypofibrinogenemia (<= 1.5 g/L) - Hemophagocytosis in bone marrow, spleen or lymph nodes, with no evidence of malignancy - Low or absent natural killer (NK)-cell activity - Ferritin >= 500 microg/L - Soluble CD25 (sCD25; i.e. soluble IL-2 receptor) >= 2400 U/mL. 2. Presence of active disease in patients as assessed by the treating physician. 3. Patients having already received HLH conventional therapy must fulfill one of the following criteria as assessed by the treating physician : - Having not responded - Having not achieved a satisfactory response - Having not maintained a satisfactory response - Showing intolerance to conventional treatment of HLH At the time of enrollment, eligible patients might still be receiving treatment (induction or maintenance) or might have already discontinued it. 4. Informed consent signed by the patient (if ? 18 years old), or by the patient?s legally authorized representative(s) with the assent of patients who are legally capable of providing it. 5. Having received guidance on contraception for both male and female patients sexually active and having reached puberty: Females of child-bearing potential, having a negative pregnancy test at screening, and unless true abstinence is in line with the preferred and usual lifestyle of the patient, must agree to use adequate method(s) of birth control from screening until 6 months after receiving last dose of the study drug. Males with partners(s) of child-bearing potential must agree to take appropriate precautions to avoid fathering a child from screening until 6 months after receiving last dose of the study drug. |
1. Pacientes con LHH primaria de ambos sexos, hasta e incluyendo los 18 años de edad en el momento del diagnóstico de LHH. El diagnóstico de LHH debe realizarse de acuerdo con los siguientes criterios (conforme al protocolo HLH-2004): a. Un diagnóstico molecular o antecedentes familiares consistentes con LHH primaria O b. Deben cumplirse cinco de los ocho criterios de abajo: - Fiebre - Esplenomegalia - Citopenias que afecten a 2 de las 3 líneas en la sangre periférica (hemoglobina < 90 g/L; plaquetas < 100 x 109/L; neutrófilos < 1 x 109/L) - Hipertrigliceridemia (triglicéridos en ayunas > 3 mmol/L o > 265 mg/dL) y/o hipofibrinogenemia (<= 1,5 g/L) - Hemofagocitosis en la médula ósea, bazo o nódulos linfáticos, sin evidencia de malignidad - Ausencia o baja actividad de las células NK - Ferritina >= 500 microg/L - CD25 soluble (sCD25; es decir, receptor IL-2 soluble) >= 2400 U/mL 2. Presencia de enfermedad activa en pacientes según el criterio del médico responsable. 3. Los pacientes que ya hayan recibido una terapia convencional para la LHH deben cumplir uno de los siguientes criterios según la valoración del médico responsable del tratamiento : - No haber mostrado ninguna respuesta. - No haber logrado una respuesta satisfactoria. - No haber mantenido una respuesta satisfactoria. Presentar intolerancia al tratamiento convencional de la LHH. En el momento de la inclusión en el estudio, los pacientes elegibles pueden estar todavía recibiendo tratamiento (inducción o mantenimiento) o pueden haberlo abandonado ya. 4. Consentimiento informado firmado por el paciente (si ? 18 años) o por los representantes legalmente autorizados del paciente con la conformidad de pacientes que son legalmente capaces de proporcionarla. 5. En el caso de los pacientes, de ambos sexos, sexualmente activos y que han alcanzado la pubertad, se les ha informado acerca de las medidas anticonceptivas necesarias: Las mujeres potencialmente fértiles, tras una prueba de embarazo negativa en la selección y, salvo si la abstinencia real fuera su método anticonceptivo preferido y habitual, deberán mostrar su conformidad en utilizar dos métodos anticonceptivos adecuados desde la selección hasta 6 meses después del tratamiento con el medicamento del estudio. Los hombres con pareja o parejas potencialmente fértiles deberán mostrar su conformidad en utilizar las precauciones adecuadas para no engendrar un hijo desde la selección hasta 6 meses después del tratamiento con el medicamento del estudio |
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E.4 | Principal exclusion criteria |
1. Diagnosis of secondary HLH consequent to a proven rheumatic or neoplastic disease. 2. Body weight < 3 kg. 3. Patients treated with: any T-cell depleting agents (such as anti-thymocyte globulin [ATG], anti-CD52) during the previous 2 weeks prior to screening any other biologic drug within 5 times their defined half-life period, except for rituximab in case of documented B-cell EBV infection (a list of some of the most commonly used biologic half-lives will be included in the Study Specific Risk Management Plan) 4. Active mycobacteria, Shigella, Histoplasma capsulatum, Campylobacter, Leishmania or Salmonella infections. 5. Evidence of history of tuberculosis or of latent tuberculosis. 6. Positive serology for HIV antibodies, hepatitis B surface antigen or hepatitis C antibodies. 7. Presence of malignancy. 8. Patients who have another concomitant disease or malformation severely affecting cardiovascular, pulmonary, liver or renal function. 9. History of hypersensitivity or allergy to any component of the study regimen. 10. Receipt of a live or attenuated live (including BCG) vaccine within the previous 12 weeks prior to screening. 11. Pregnant or lactating female patients |
1. Diagnóstico de LHH secundaria consiguiente a una enfermedad neoplástica o reumática probada. 2. Peso corporal < 3 kg. 3. Pacientes tratados con: cualquier agente de debilitamiento de las células T (como globulina antitimocito[ATG], anti-CD52) durante las dos semanas precedentes antes de la selección cualquier otro fármaco biológico dentro de 5 veces su periodo de semivida definido, excepto por rituximab en el caso de infección documentada por EBV Celulas B (en el Plan de Gestión de Riesgos Específico para el Estudio se encuentra un listado de las semividas de los agentes biológicos de empleo más frecuente) 4. Micobacterias activas, shigelosis, infecciones por Histoplasma capsulatum, Campylobacter, leishmaniosis o infecciones de salmonelosis. 5. Evidencia de antecedentes de tuberculosis o latente. 6. Serología positiva para anticuerpos VIH, antígeno de superficie de hepatitis B o anticuerpos de hepatitis C. 7. Historia de malignidad. 8. Pacientes que tengan otra enfermedad concomitante o malformación que afecte severamente las funciones cardiovasculares, pulmonares, del hígado o renales. 9. Historia de hipersensibilidad o alergia a cualquier componente del régimen de estudio. 10. Recepción de una vacuna viva o vacuna viva atenuada (incluyendo BCG) dentro de las 12 semanas anteriores a la selección (screening) 11 . Mujeres embarazadas o en lactancia |
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E.5 End points |
E.5.1 | Primary end point(s) |
Primary efficacy endopoint Overall response rate, ie: achievement of either Complete or Partial Response or HLH improvement, at End of treatment (EoT) |
Principal variable Tasa de respuesta Global, ej: alcanzar o Respuesta completa o parcial o mejora de HLH, en la visita de Final de Tratamiento (EoT). |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
Secondary efficacy endpoints: •Time to Response any time during the study •Durability of Response, i.e. maintenance of response achieved any time during the study until EoT and beyond (including data collected in the long-term follow-up study NI-0501-05). •Number of patients able to reduce glucocorticoids by 50% or more of baseline dose. •Number of patients able to proceed to HSCT, when deemed indicated. •Survival at Week 8 (or EoT) and at the end of the study Long-term survival (in particular D+30 and D+100 post-HSCT survival) will be assessed in the context of long-term study NI-0501-05. •Serum concentration of NI-0501 to determine NI-0501 pharmacokinetic (PK) profile. •Determination of pharmacodynamic (PD) effects (levels of circulating total IFNγ and markers of its neutralization, namely CXCL9 and CXCL10). •Determination of other biomarkers, e.g. sCD25, IL-10.
Safety parameters to be collected and assessed: - Incidence, severity, causality and outcomes of Adverse Events (serious and non-serious), with particular attention being paid to infections - Number of patients withdrawn for safety reasons Other parameters: - Level (if any) of circulating antibodies against NI-0501 to determine immunogenicity (ADA). |
Variables de eficacia secundaria: •Tiempo hasta respuesta en cualquier momento del estudio. •Duración de la respuesta, ej: mantenimiento de la respuesta alcanzada en cualquier momento durante el estudio hasta la EOT y posterior(incluyendo datos recogidos en el estudio de seguimiento a largo plazo). •Número de pacientes capaces de reducir los glucorticoides al 50% o más de la dosis basal •Número de pacientes capaces de proceder con HSCT, cuando se considere necesario. •Superviviencia en las semana 8 (o EoT) y al final del estudio. Se evaluará en el contexto del estudio de largo plazoNI-0501-05 la sUpervivencia a largo plazo (en particular D+30 y D+100 supervivencia post-HSCT ) •Concentración en suero de NI-0501 para determinae el pérfil farmacocinético (FC)de NI-0501 . •Determinación de los efectos farmacodinámicos (niveles de IFNγ total circulante y marcadores de su neutralización, como CXCL9 and CXCL10). •Determinacion de otros biomarcadores e.j. sCD25, IL-10.
Párametros de seguridad a recoger y evaluar: - Incidencia, severidad, causalidad y resolución de eventos adversos(serios y no serios), teniendo especial antención con las infecciones - Número de pacientes retirados por razones de seguridad Otros parámetros: - Nivel (si hay) de anticuerpos circulantes contra NI-0501 para determinar la inmunogenicidad. (ADA). |
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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 | 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 | 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) | Yes |
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 | 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 | 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 | 4 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 14 |
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 |
Germany |
Italy |
Spain |
Sweden |
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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LVLS. |
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 | 4 |
E.8.9.1 | In the Member State concerned months | 8 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 5 |
E.8.9.2 | In all countries concerned by the trial months | 0 |
E.8.9.2 | In all countries concerned by the trial days | 0 |