E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Mild to Moderate Alzheimer's Disease patients. |
Pacientes con enfermdedad de Alzheimer leve-moderada. |
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E.1.1.1 | Medical condition in easily understood language |
Mild to Moderate Alzheimer's Disease patients. |
Pacientes con enfermdedad de Alzheimer leve-moderada. |
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E.1.1.2 | Therapeutic area | Diseases [C] - Nervous System Diseases [C10] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10012271 |
E.1.2 | Term | Dementia Alzheimer's type |
E.1.2 | System Organ Class | 10029205 - Nervous system 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 evaluate the changes in the cognitive, functional, behavioral and global domains based on the different applicable psychometric batteries and scales |
Evaluar los cambios cognitivos, funcionales, conductuales y los dominios globales basados en las diferentes escalas y baterías psicométricas aplicables. |
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E.2.2 | Secondary objectives of the trial |
To determine the changes in the concentration of beta-amyloid peptide in plasma and cerebrospinal fluid (CSF) in the treatment group of patients with Alzheimer’s disease (AD). To evaluate the structural changes in volume of the hippocampus, posterior cingular area, and other associated areas based on neuroimaging studies with Magnetic Resonance Imaging (MRI) (variations versus baseline). To determine functional brain functional changes through FDG-PET (fluordeoxyglucose-PET). To determine whether plasma exchange with human albumin combined with intravenous immunoglobulin (IVIG) is safe, taking into account the following factors: -Type, severity and frequency of adverse reactions during and after the procedure and infusions. -Changes in vital signs and clinically relevant changes, according to the laboratory test findings. |
Determinar los cambios de concentración del péptido beta-amiloide en plasma y en líquido cefaloraquídeo (LCR) en el grupo tratamiento de los pacientes con enfermedad de Alzheimer (EA). Evaluar los cambios estructurales del volumen del hipocampo, el area posterior del cíngulo, y otras areas asociadas en base a los estudios de neuroimagen con Resonancia Magnética (RM) (variaciones respecto a la basal). Determinar los cambios funcionales del cerebro con FDG-PET (fluordeoxiglucosa-PET). Determinar si el recambio plasmático con albúmina humana combinado con immunoglobulina intravenosa (IGIV) es seguro, teniendo en cuenta los siguientes factores: -Tipo, severidad y frecuencia de las reacciones adversas durante y después del procedimiento y de las infusiones. -Cambios en los signos vitales y cambios clínicos relevantes de acuerdo con los hallazgos en los tests de laboratorio |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1.Males or females between 55-85 years of age at the time of signing of the informed consent document. 2.A diagnosis of AD (NINCDS-ADRDA criterion), and Mini-mental Status Examination (MMSE) score between ≥18 and ≤26. 3.Current stable treatment with acetylcholine esterase inhibitors (AChEIs) for the previous three months. 4.The patient and a close relative or legal representative must read the patient information sheet, agree to participation in the trial, and then sign the informed consent document (the patient personally and the close relative/legal representative). 5.The patient must be able to follow the study protocol, receive the treatment in the established time period, and continue during the follow-up interval. 6.A brain Computed Axial Tomography (CAT) or Magnetic Resonance Imaging (MRI) study, obtained in the 12 months prior to recruitment, showing the absence of cerebrovascular disease, must be available. 7.A stable care taker must be available, and must attend the patient study visits. |
1.Hombres o mujeres entre 55-85 años en el momento de firmar el consentimiento informado. 2.Que se les haya diagnosticado una enfermedad de Alzheimer (según los criterios del NINCDS-ADRDA), y una puntuación en el Mini-mental Status Examination (MMSE) entre ≥18 y ≤26. 3.Estar en tratamiento estable con inhibidores de la acetilcolinesterasa (AChEIs) durante los últimos 3 meses. 4.El paciente y el familiar allegado o representante legal deben leer la hoja de información al paciente, estar de acuerdo con la participación en el ensayo, y después firmar el consentimiento informado (el propio paciente o el familiar allegado/representante legal). 5.El paciente debe ser capaz de seguir el protocolo del estudio, recibir el tratamiento en el periodo de tiempo establecido y continuar durante el periodo de seguimiento. 6.Disponer de una Tomografía Axial Computerizada (TAC) craneal o una Resonancia Magnética (RM) dentro de los 12 meses previos al reclutamiento, mostrando ausencia de lesión cerebrovascular. 7.Un cuidador estable debe estar disponible y debe atender a las visitas del estudio del paciente. |
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E.4 | Principal exclusion criteria |
1.Any contraindication for plasma exchange due to behavioral disorders or abnormal coagulation parameters, such as for example: •Hypocalcemia (Ca++ < 8.7 mg/dL). •Thrombocytopenia (<100,000/L). •Fibrinogen <1.5 g/L. •Prothrombin time (Quick) p<60% versus control. •Beta-blocker treatment and bradycardia <60/min. •Treatment with angiotensin-converting enzyme inhibitors (ACEIs) (increased risk of allergic reactions). 2.Hemoglobin < 10 g/dL 3.Difficult venous access precluding plasma exchange. 4.A history of frequent adverse reactions (serious or otherwise) to blood products. 5.Hypersensitivity to albumin or allergies to any of the components of Albutein®. 6.History of immunoglobulin A (IgA) deficiency. 7.Known allergies to Flebogamma® DIF components such as sorbitol. 8.History of thromboembolic complications of intravenous immunoglobulins. 9.Plasma creatinine > 2 mg/dL. 10.Uncontrolled high blood pressure. 11.Liver cirrhosis or any liver problem with alanine aminotransferase (GPT) > 2.5 x upper limit of normal (ULN), or bilirubin > 2 mg/dL. 12.Heart diseases, including antecedents of coronary disease and heart failure. 13.Participation in other clinical trials, or the reception of any other investigational drug in the three months prior to the start of the study. 14.Any condition complicating adherence to the study protocol (illness with less than one year of expected survival, toxic habits, etc.). 15.Pregnant or nursing women or women not using effective contraceptive methods for at least one month after plasma exchange. 16.Fewer than six years of education. 17.Prior behavioral disorders requiring pharmacological treatment, including insomnia |
1.Cualquier contraindicación para el recambio plasmático debido a trastornos de conducta o parámetros de coagulación anormales, como por ejemplo: •Hipocalcemia (Ca++ < 8.7 mg/dL). •Trombocitopenia (<100,000/L). •Fibrinógeno <1.5 g/L. •Tiempo de protrombina (Quick) p<60% versus el control. •Tratamiento con betabloqueantes y bradicardia <60/min. •Tratamiento con inhibidores de la enzima convertidora de angiotensina (IECA) (aumento del riesgo de reacciones alérgicas). 2.Hemoglobina < 10 g/dL 3.Difícil acceso venoso impidiendo el recambio plasmático. 4.Antecedentes de reacciones adversas frecuentes (ya sean graves o no) a productos hemoderivados. 5.Hipersensibilidad a la albúmina o alergias a cualquier componente de la Albutein®. 6.Antecedentes de deficiencia de immunoglobulina A (IgA). 7.Alergias conocidas a componentes de Flebogamma® DIF tales como el sorbitol. 8.Antecedentes de complicaciones tromboembólicas con immunoglobulinas intravenosas. 9.Creatinina plasmática > 2 mg/dL. 10.Hipertensión arterial descontrolada. 11.Cirrosis hepática o cualquier alteración hepática con alanina aminotransferasa (GPT) > 2,5 x LSN ó bilirrubina > 2 mg/dl. 12.Enfermedades cardíacas incluyendo antecedentes de enfermedades coronarias e insuficiencia cardíaca. 13.Haber participado en otros ensayos clínicos o haber recibido cualquier otro fármaco en investigación durante los 3 primeros meses previos al inicio del estudio. 14.Cualquier condición que dificulte el cumplimiento del protocolo (enfermedades con menos de un año de supervivencia, hábitos tóxicos, etc.). 15.Mujeres embarazadas o en periodo de lactancia o mujeres que no usen un método anticonceptivo adecuado como mínimo hasta 1 mes después del recambio plasmático. 16.Nivel de estudios inferior a 6 años de escolarización. 17.Alteraciones de conducta previas que requieran tratamiento farmacológico, incluyendo el insomnio. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Change from baseline in the cognitive scores as measured by ADAS-Cog |
Cambios respecto a la basal en las puntuaciones cognitivas obtenidas con el ADAS-Cog. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
6 measurements: weeks -2 or -1, and 6, months 5, 8, 11 and 14 within the 3 treatment arms. |
6 mediciones: semana -2 o -1, y 6, meses 5, 8, 11 y 14) en los 3 brazos de tratamiento. |
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E.5.2 | Secondary end point(s) |
Change from baseline in the cognitive, functional and neuropsychiatric scores and overall development as measured by MMSE, NPS battery, ADL-ADCS and NPI. Variation in levels of Ab40 and Ab42 in CSF in the period between baseline lumbar puncture (before the start of the Intensive treatment period) and lumbar puncture immediately after the end of the last low-volume plasmapheresis (whenever this may be). Variation in the levels of Ab40 and Ab42 in CSF. Levels of Ab40 and Ab42, T-tau and P-tau in CSF. Plasma levels of Ab40 and Ab42 before and after each plasma exchange for both treatment periods. Structural changes in volume of the hippocampus, posterior cingular area, and other associated areas by MRI. Variation in FDG-PET patterns. |
Cambios respecto a la basal en las puntuaciones de las pruebas cognitivas, funcionales y neuropsiquiátricas y la evolución global, medido por el MMSE, batería NPS, ADL-ADCS y NPI. Variación en los niveles de Ab40 y Ab42 en LCR en el periodo comprendido entre la punción lumbar basal (antes del inicio del tratamiento) y la punción lumbar inmediatamente posterior a la finalización del último recambio plasmático, cuando quiera que éste se produzca. Variación en los niveles de Ab40 y Ab42 en el LCR. Niveles de Ab40 y Ab42, T-tau y P-tau en LCR. Niveles plasmáticos de Ab40 y Ab42 antes y después de cada recambio plasmático en ambos periodos de tratamiento. Cambios estructurales en el volumen del hipocampo, la zona posterior del cíngulo y otras zonas asociadas por RM. Variación en los patrones de FDG-PET. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
MMSE, NPS battery, ADL-ADCS and NPI. (6 measurements: week -2 or -1, and 6, month 5, 8, 11 and 14). Ab40 and Ab42 in CSF in the period between baseline lumbar puncture (before the start of the Intensive treatment period) and lumbar puncture immediately after the end of the last low-volume plasmapheresis. Ab40 and Ab42 in CSF between the finalization and beginning of each of the two treatment periods. Ab40 and Ab42, T-tau and P-tau in CSF throughout the study. Plasma levels of Ab40 and Ab42 before and after each plasma exchange for both treatment periods. MRI: Three measurements will be made (week -2 or -1, months 6 and 14). FDG-PET (3 measurements: weeks -1 or -2, months 6 and 14). |
MMSE, batería NPS, ADL-ADCS y NPI. (6 mediciones: semana -2 o -1, y 6, meses 5, 8, 11 y 14). Ab40 y Ab42 en LCR en el periodo comprendido entre la punción lumbar basal (antes del inicio del tratamiento) y la punción lumbar inmediatamente posterior a la finalización del último recambio plasmático. Ab40 y Ab42 en el LCR entre la finalización y el inicio de 2 periodos de tratamiento. Ab40 y Ab42, T-tau y P-tau en LCR durante todo el estudio. Niveles plasmáticos de Ab40 y Ab42 antes y después de cada recambio plasmático en ambos periodos de tratamiento. RM: Se harán 3 mediciones (semana -2 o -1, meses 6 y 14). FDG-PET (3 mediciones: semana -1 o -2, meses 6 y 14). |
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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 | 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) | 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 |
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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 | 1 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 17 |
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 |
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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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Last visit last patient. |
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 | 1 |
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 | 1 |
E.8.9.2 | In all countries concerned by the trial months | 8 |
E.8.9.2 | In all countries concerned by the trial days | 0 |