E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Fanconi anemia (subtype A) |
Anemia de Fanconi (subtipo A) |
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E.1.1.1 | Medical condition in easily understood language |
Fanconi anemia (subtype A) |
Anemia de Fanconi (subtipo A) |
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E.1.1.2 | Therapeutic area | Diseases [C] - Congenital, Hereditary, and Neonatal Diseases and Abnormalities [C16] |
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 | 10055206 |
E.1.2 | Term | Fanconi's anemia |
E.1.2 | System Organ Class | 100000004850 |
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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 |
The main objective of this trial is to assess the therapeutic efficacy of a hematopoietic gene therapy procedure with an orphan drug consisting of a lentiviral vector carrying the FANCA gene in patients with Fanconi anemia subtype A (complementation group A, FA-A). |
El objetivo principal de este ensayo es evaluar la eficacia terapéutica de un procedimiento de terapia génica con u medicamento huérfano consistente en un vector lentiviral portador del gen FANCA en pacientes con anemia de Fanconi subtipo A (grupo de complementación, A, FA-A). |
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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 |
Fanconi anemia as diagnosed by chromosomal fragility assay of cultured lymphocytes in the presence of DEB or a similar DNA-crosslinking agent 2. Patients of the complementation group FA-A 3. Minimum age: 1 year and a minimum weight of 8 kg. 4. Maximum age: 12 years 5. At least one of the following hematologic parameters below lower limits of normal of • Hemoglobin • Absolute neutrophils • Platelets 6. At least 30 CD34+ cells/μL are determined in one BM aspiration within 3 months prior to CD34+ cell collection 7. If the number of C34+ cells/ μL in BM is in the range of 10-29, PB parameters should meet two of the three following criteria: • Hemoglobin: ≥11g/dL • Neutrophils: ≥900 cells/μL • Platelets: ≥60,000 cells/μL 8. Provide informed consent in accordance with current legislation 9. Women of childbearing age must have a negative urine pregnancy test at the baseline visit, and accept the use of an effective contraception method during participation in the trial |
1. Anemia de Fanconi diagnosticada mediante un ensayo de fragilidad cromosómica en linfocitos en cultivo en presencia de DEB o un agente inductor de entrecruzamiento del DNA similar 2. Pacientes del grupo de complementación FA-A. 3. Edad mínima: 1 año y un peso mínimo de 8 kg. 4. Edad máxima: 12 años. 5. Al menos uno de los siguientes parámetros hematológicos por debajo de los limites normales • Hemoglobina • Neutrófilos totales • Plaquetas 6. Al menos 30 células CD34+ /µL determinadas en un aspirado de MO en los tres meses anteriores a la colecta de las células CD34+ 7. Si el numero de células C34+ / µL en MO esta en el rango de 10-29, los paramentos de sangre periférica deben cumplir dos de tres de los siguientes criterios: • Hemoglobina: ≥11g/dL • Neutrófilos ≥900 células/µL • Plaquetas: ≥60,000 células/µL 8. Dar consentimiento informado de acuerdo con la legislación vigente. 9. Mujeres en edad fértil deben dar negativo en un test de embarazo en orina en la visita de inicio, y aceptar el uso de un método anticonceptivo efectivo durante su participación en el ensayo. |
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E.4 | Principal exclusion criteria |
Patients with an HLA-identical sibling donor 2. Evidence of myelodysplastic syndrome or leukemia, or cytogenetic abnormalities predictive of these conditions in BM aspirate analysis. This assessment should be made by valid studies conducted within the 3 months before the patient enters the clinical trial 3. Patients with somatic mosaicism associated with stable or improved counts in all PB cell lineages 4. Lansky performance index ≤ 60% 5. Any concomitant disease or condition that, in the opinion of the Principal Investigator, deems the patient unfit to participate in the trial 6. Pre-existing sensory or motor impairment > = grade 2 according to the criteria of the National Cancer Institute (NCI) 7. Pregnant or breastfeeding women 8. Hepatic dysfunction as defined by either: • Bilirubin > 1.5 x the upper limit of normal (ULN) • Alanine aminotransferase (ALT ) > 2.5 x ULN • Aspartate aminotransferase (ALT) > 2.5 x ULN. 9. Renal dysfunction requiring either hemodialysis or peritoneal dialysis 10. Pulmonary dysfunction as defined by either: • Need for supplemental oxygen during the prior 2 weeks (in absence of acute infection) • Oxygen saturation (by pulse oximetry) <90%. 11. Evidence of active metastatic or locoregionally advanced malignancy for which survival is anticipated to be less than 3 years |
1. Pacientes con un hermano donante HLA-idéntico 2. Evidencia de síndrome mielodisplasico o leucemia, o anormalidades citogenéticas predictivas de estas condiciones en un aspirado de MO. Esta valoración debe hacerse mediante estudios validaos en los 3 meses anteriores ala entrada del paciente en ensayo. 3. Pacientes con mosaicismo somático asociado con contajes estables o mejorados de diferentes linajes en sangre periférica 4. Índice de Lansky ≤ 60% 5. Cualquier enfermedad concomitante que, en opinión del Investigador Principal, haga al paciente no apto para participar en el estudio. 6. Deterioro sensorial o motor preexistente > = grado 2 según los criterios del Instituto Nacional del Cáncer (NCI) 7. Mujeres embarazadas o lactante 8. Disfunción hepática definida por cualquiera de los siguientes criterios: • Bilirrubina > 1.5 x limite normal superior (ULN) • Alanina aminotransferasa (ALT ) > 2.5 x ULN • Aspartato aminotransferasa (ALT) > 2.5 x ULN. 9. Disfunción renal que requiera hemodiálisis o diálisis peritoneal. 10. Disfunción pulmonar definida por cualquiera de los siguientes criterios: • Necesidad de suplemento de oxigeno durante las 2 semanas anteriores (en ausencia de infección aguda) • Saturación de oxigeno (por oximetría de pulso) <90%. 11. Evidencia de malignidad avanzada localizada o metastásica para cuya supervivencia esperada sea menor de 3 años |
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E.5 End points |
E.5.1 | Primary end point(s) |
• Level of phenotypic correction of hematopoietic cells after the infusion of autologous CD34+ cells transduced with the therapeutic lentiviral vector in patients with Fanconi anemia subtype A • Level of engraftment of gene-corrected hematopoietic cells after the infusion of autologous CD34+ cells transduced with the therapeutic lentiviral vector in patients with Fanconi anemia subtype A • Clinical response (prevention or rescue of bone marrow failure (BMF)) after the infusion of autologous CD34+ cells transduced with the therapeutic lentiviral vector in patients with Fanconi anemia subtype A • Ongoing evaluation of the short- and long-term safety of the infusion of autologous CD34+ cells transduced with the therapeutic lentiviral vector in patients with Fanconi anemia subtype A |
• Nivel de corrección fenotípica de células hematopoyéticas después de la infusión de células CD34 + autólogas transducidas con el vector lentiviral terapéutico en pacientes con subtipo A de anemia de Fanconi • Nivel de injerto de células hematopoyéticas corregidas genéticamente después de la infusión de células autólogas CD34 + transducidas con el vector lentiviral terapéutico en pacientes con subtipo A de anemia de Fanconi. • Respuesta clínica (prevención o rescate del fallo de la médula ósea (BMF)) después de la infusión de células autólogas CD34 + transducidas con el vector lentiviral terapéutico en pacientes con anemia de Fanconi subtipo A • Evaluación continua de la seguridad a corto y largo plazo de la infusión de células autólogas CD34 + transducidas con el vector lentiviral terapéutico en pacientes con subtipo A de anemia de Fanconi. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Up to 3 years after infusion |
Hasta 3 años después de la infusión |
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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) | 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 | 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
| Yes |
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 | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
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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This trial will end when all recruited patients complete the scheduled assessments. |
El ensayo finalizará cuando todos los pacientes incluidos hayan completado el calendario de visitas. |
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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 | 3 |
E.8.9.1 | In the Member State concerned months | 6 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 3 |
E.8.9.2 | In all countries concerned by the trial months | 6 |