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    Summary
    EudraCT Number:2018-002247-28
    Sponsor's Protocol Code Number:MOM-M281-004
    National Competent Authority:Spain - AEMPS
    Clinical Trial Type:EEA CTA
    Trial Status:Completed
    Date on which this record was first entered in the EudraCT database:2019-01-18
    Trial results View results
    Index
    A. PROTOCOL INFORMATION
    B. SPONSOR INFORMATION
    C. APPLICANT IDENTIFICATION
    D. IMP IDENTIFICATION
    D.8 INFORMATION ON PLACEBO
    E. GENERAL INFORMATION ON THE TRIAL
    F. POPULATION OF TRIAL SUBJECTS
    G. INVESTIGATOR NETWORKS TO BE INVOLVED IN THE TRIAL
    N. REVIEW BY THE COMPETENT AUTHORITY OR ETHICS COMMITTEE IN THE COUNTRY CONCERNED
    P. END OF TRIAL
    Expand All   Collapse All
    A. Protocol Information
    A.1Member State ConcernedSpain - AEMPS
    A.2EudraCT number2018-002247-28
    A.3Full title of the trial
    A Phase 2, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Tolerability, Efficacy, Pharmacokinetics and Pharmacodynamics of M281 Administered to Adults with Generalized Myasthenia Gravis
    Estudio de fase 2, multicéntrico, aleatorizado, doble ciego, controlado con placebo para evaluar la seguridad, tolerabilidad, eficacia, farmacocinética y farmacodinámica de M281 en adultos con miastenia gravis generalizada
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    To evaluate the efficacy of M281 injection for the treatment of patients with Myasthenia gravis, a neuromuscular disease
    Evaluar la eficacia de la inyección de M281 para el tratamiento de pacientes con miastenia gravis, una enfermedad neuromuscular
    A.4.1Sponsor's protocol code numberMOM-M281-004
    A.5.4Other Identifiers
    Name:IND NumberNumber:138975
    A.7Trial is part of a Paediatric Investigation Plan No
    A.8EMA Decision number of Paediatric Investigation Plan
    B. Sponsor Information
    B.Sponsor: 1
    B.1.1Name of SponsorMomenta Pharmaceuticals, Inc.
    B.1.3.4CountryUnited States
    B.3.1 and B.3.2Status of the sponsorCommercial
    B.4 Source(s) of Monetary or Material Support for the clinical trial:
    B.4.1Name of organisation providing supportMomenta Pharmaceuticals, Inc.
    B.4.2CountryUnited States
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationMomenta Pharmaceuticals, Inc.
    B.5.2Functional name of contact pointClinical Trial Information Desk
    B.5.3 Address:
    B.5.3.1Street Address301 Binney Street
    B.5.3.2Town/ cityCambridge
    B.5.3.3Post codeMA 02142
    B.5.3.4CountryUnited States
    B.5.4Telephone number+34900834223
    B.5.6E-mailRegistroEspanolDeEstudiosClinicos@druginfo.com
    D. IMP Identification
    D.IMP: 1
    D.1.2 and D.1.3IMP RoleTest
    D.2 Status of the IMP to be used in the clinical trial
    D.2.1IMP to be used in the trial has a marketing authorisation No
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
    D.2.5.1Orphan drug designation number
    D.3 Description of the IMP
    D.3.1Product nameM281 Injection
    D.3.2Product code M281
    D.3.4Pharmaceutical form Solution for injection
    D.3.4.1Specific paediatric formulation No
    D.3.7Routes of administration for this IMPIntravenous use
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNM281
    D.3.9.1CAS number 2211985-36-1
    D.3.9.3Other descriptive nameM281
    D.3.9.4EV Substance CodeSUB187374
    D.3.10 Strength
    D.3.10.1Concentration unit mg/ml milligram(s)/millilitre
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number30
    D.3.11 The IMP contains an:
    D.3.11.1Active substance of chemical origin No
    D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) Yes
    The IMP is a:
    D.3.11.3Advanced Therapy IMP (ATIMP) No
    D.3.11.3.1Somatic cell therapy medicinal product No
    D.3.11.3.2Gene therapy medical product No
    D.3.11.3.3Tissue Engineered Product No
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
    D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
    D.3.11.5Radiopharmaceutical medicinal product No
    D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
    D.3.11.7Plasma derived medicinal product No
    D.3.11.8Extractive medicinal product No
    D.3.11.9Recombinant medicinal product Yes
    D.3.11.10Medicinal product containing genetically modified organisms No
    D.3.11.11Herbal medicinal product No
    D.3.11.12Homeopathic medicinal product No
    D.3.11.13Another type of medicinal product No
    D.8 Information on Placebo
    D.8 Placebo: 1
    D.8.1Is a Placebo used in this Trial?Yes
    D.8.3Pharmaceutical form of the placeboInjection
    D.8.4Route of administration of the placeboIntravenous use
    E. General Information on the Trial
    E.1 Medical condition or disease under investigation
    E.1.1Medical condition(s) being investigated
    Treatment of MG, with an initial focus on patients with gMG treated with M281 injection and evaluation of the expected reduce of circulating levels of antibodies by blocking IgG recycling, including the pathogenic autoantibodies that cause MG, and to ameliorate manifestations of the disease.
    Tratamiento de MG, con un enfoque inicial en pacientes con gMG tratados con inyección de M281 y evaluación de la reducción esperada de los niveles circulantes de anticuerpos mediante el bloqueo del reciclado de IgG, incluidos los autoanticuerpos patógenos que causan MG, y para mejorar las manifestaciones de la enfermedad.
    E.1.1.1Medical condition in easily understood language
    Treatment of Myasthenia gravis (neuromuscular disease) to evaluate the safety efficacy and tolarability of M281 Inj. in patients who have unsufficient clinical response to ongoing standard therapy.
    Tratamiento de miastenia gravis (enf. neuromuscular) para evaluar la eficacia de seguridad y tolerabilidad de M281 Inj. en pac. q tienen una respuesta clínica insuficiente al tto. estándar en curso.
    E.1.1.2Therapeutic area Diseases [C] - Musculoskeletal Diseases [C05]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 20.0
    E.1.2Level PT
    E.1.2Classification code 10028417
    E.1.2Term Myasthenia gravis
    E.1.2System Organ Class 10029205 - Nervous system disorders
    E.1.3Condition being studied is a rare disease Yes
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    To evaluate the safety and tolerability of treatment with M281 injection in patients with gMG who have an insufficient clinical response to ongoing, stable standard of care therapy.
    To determine the efficacy of M281 injection for gMG as measured by the change in Myasthenia Gravis – Activities of Daily Living (MG-ADL) score.

    Los objetivos principales consisten en evaluar:

    • La seguridad y la tolerabilidad del tratamiento con M281 inyectable en pacientes con miastenia gravis generalizada (MGg) que presentan una respuesta clínica insuficiente al tratamiento de referencia estable y en curso.
    • La eficacia de M281 inyectable en el tratamiento de la MGg, determinada mediante la variación de la puntuación MG-ADL (Miastenia gravis–actividades cotidianas).
    E.2.2Secondary objectives of the trial
    To evaluate the efficacy of M281 injection as measured by changes in the Quantitative Myasthenia
    Gravis (QMG) score and the revised Myasthenia Gravis Quality of Life - 15 Scale (MG-QoL15r).
    To determine the pharmacokinetics (PK) of M281 injection.
    To estimate the pharmacodynamic (PD) activity of M281 injection as measured by effects on total
    serum immunoglobulin (Ig)G concentrations.
    Los objetivos secundarios consisten en evaluar:
    • La eficacia de M281 inyectable, determinada mediante las variaciones de las puntuaciones QMG (Escala cuantitativa de miastenia gravis) y MG QoL15r (Escala de calidad de vida en la miastenia gravis 15, revisada).
    • La farmacocinética (FC) de M281 inyectable.
    • La actividad farmacodinámica (FD) de M281 inyectable determinada mediante los efectos sobre las concentraciones de inmunoglobulina (Ig)G sérica total.
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    1. Is a male or female outpatient ≥18 years of age.
    2. Has a documented history of gMG and clinical signs/symptoms of gMG.
    3. Has a documented diagnosis of gMG by a positive serologic test for a gMG-related pathogenic autoantibody (anti-AChR or anti-MuSK autoantibodies), confirmed at Screening, and is on stable therapy for MG. If the patient receives the first dose of M281 before the Screening results are available and the results are subsequently negative, the patient may be replaced.
    4. Has a Myasthenia Gravis Foundation of America (MGFA) Clinical Classification Class II, III, or IVa at Screening.
    5. Has a QMG score of ≥12 at Screening and Baseline.
    6. If taking a glucocorticosteroid, the patient must provide/obtain documentation showing the dose and regimen has been stable for at least 4 weeks prior to Screening.
    7. If taking an acetylcholinesterase inhibitor, the patient must provide/obtain documentation
    showing the dose and regimen has been stable for at least 2 weeks prior to randomization on Day 1.
    8. If taking statins at Screening, the patient must provide/obtain documentation showing the dose and regimen has been stable for at least 2 months prior to Screening.
    9. If currently receiving immunosuppressants, the patient must provide/obtain documentation showing that the patient has been on the given immunosuppressant for ≥6 months and has been on a stable dose for ≥3 months prior to Screening. Allowed concomitant immunosuppressants are azathioprine, mycophenolate mofetil/ mycophenolic acid, methotrexate, cyclosporine, tacrolimus, or cyclophosphamide.
    10. Has total serum IgG, serum albumin, and serum calcium concentrations within the normal range of the reference laboratory at Screening.
    11. Has sufficient venous access to allow drug administration by infusion and blood sampling as per the protocol.
    12. Is up to date on all age-appropriate vaccinations as per routine local medical guidelines.
    13. Women of childbearing potential, defined as women physiologically capable of becoming pregnant, must have a negative serum pregnancy test at the Screening visit and a negative urine pregnancy test at Baseline. Menopausal women must have an elevated serum follicle-stimulating hormone level (FSH) at Screening; if the FSH is not elevated, they are considered to be of childbearing potential and must have a negative serum pregnancy test at Screening and a negative urine pregnancy test at Baseline to be eligible.
    14. Women of childbearing potential (including menopausal women who do not have elevated FSH) must agree to remain totally abstinent (ie, refrain from sexual intercourse during the study) or to consistently use a reliable and highly effective method of contraception (eg, condom plus diaphragm, condom plus spermicide, diaphragm plus spermicide, or intrauterine device or oral/injectable/implanted hormonal contraceptive used in combination with an additional barrier method) during the study and for 30 days after the last study treatment.
    Note: Periodic abstinence (Calendar, symtothermal, post-ovulation methods), withdrawal (coitus interruptus), spermicides only, and lactational amenorrhoea method are not acceptable methods of contraception. Female condom and male condom should not he used together.
    15. Male patients must agree to remain totally abstinent (ie, refrain from sexual intercourse during the study) or to consistently use a reliable and highly effective method of contraception (eg, condom plus diaphragm, condom plus spermicide, diaphragm plus spermicide, or intrauterine device or oral/injectable/implanted hormonal contraceptive used in combination with an additional barrier method) to avoid pregnancy of the patient’s partner(s) during the study and for 100 days following the last study treatment, unless the patient provides documentation of a vasectomy at least 6 months prior to Screening. Male patients must also abstain from sperm donation during the study and for 100 days following the last treatment.
    Note: Periodic abstinence (calendar, symptothermal, post-ovulation methods), withdrawal (coitus interruptus), spermicides onlye, and lactational amenorrhoea method are not acceptable methods of contraception. Female condom and male condom should not be used together.
    16. A patient using herbal, naturopathic, and traditional Chinese remedies and ayurvedic and nutritional supplements is eligible if the use of these medications is acceptable to the Investigator. These remedies must be at a stable dose and regimen using the same preparation for ≥2 months prior to Screening.
    17. Is able to understand and voluntarily provide written informed consent to participate in the study and comply with all study procedures.
    1. Pacientes ambulatorios de ambos sexos de 18 años o más.
    2. Antecedentes documentados de miastenia grave generalizada (MGg) y signos/síntomas clínicos de MGg.
    3. Diagnóstico documentado de MGg mediante una prueba serológica positiva para un autoanticuerpo patógeno relacionado con la MGg (autoanticuerpos anti-AChR o anti-MuSK), confirmado en la selección, y en tratamiento estable para la MG. Si el paciente recibe la primera dosis de M281 antes de que los resultados de la selección estén disponibles y, posteriormente, estos son negativos, el paciente podrá ser sustituido.
    4. Clase II, III o IVa de clasificación clínica de la Myastenia Gravis Foundation of America (MGFA) en la selección.
    5. Puntuación QMG ≥12 en la selección y el momento basal.
    6. Si el paciente está tomando un glucocorticoide, deberá aportar/obtener documentación que demuestre que la dosis y la pauta se han mantenido estables durante al menos 4 semanas antes de la selección.
    7. Si el paciente está tomando un inhibidor de la acetilcolinesterasa, deberá aportar/obtener documentación que demuestre que la dosis y la pauta se han mantenido estables durante al menos 2 semanas antes de la aleatorización el día 1.
    8. Si el paciente está tomando estatinas en el momento de la selección, deberá aportar/obtener documentación que demuestre que la dosis y la pauta se han mantenido estables durante al menos 2 meses antes de la selección.
    9. En caso de estar recibiendo inmunodepresores, el paciente deberá aportar/obtener documentación que demuestre que ha recibido el inmunodepresor correspondiente durante ≥6 meses y que ha mantenido una dosis estable durante ≥3 meses antes de la selección. Los inmunodepresores concomitantes permitidos son: azatioprina, micofenolato mofetilo/ácido micofenólico, metotrexato, ciclosporina, tacrólimus o ciclofosfamida.
    10. Concentraciones séricas totales de IgG, albúmina y calcio dentro del intervalo normal del laboratorio de referencia en la selección.
    11. Acceso venoso suficiente para permitir la administración del fármaco mediante infusión y la obtención de muestras de sangre conforme al protocolo.
    12. Haber recibido todas las vacunas apropiadas para la edad según las directrices médicas locales habituales.
    13. Las mujeres en edad fértil, definidas como las fisiológicamente capaces de quedarse embarazadas, deberán tener una prueba de embarazo en suero negativa en la visita de selección y una prueba de embarazo en orina negativa en la visita basal. Las mujeres menopáusicas deberán tener una concentración sérica elevada de folitropina (FSH) en la selección; si la folitropina no está elevada, se considerarán en edad fértil y deberán tener una prueba de embarazo en suero negativa en la selección y una prueba de embarazo en orina negativa en el momento basal para poder participar.
    14. Las mujeres en edad fértil (incluidas las mujeres menopáusicas que no presenten elevación de la folitropina) deberán comprometerse a mantener la abstinencia o a utilizar de forma sistemática un método anticonceptivo fiable y muy eficaz (p. ej., preservativo más diafragma, preservativo más espermicida, diafragma más espermicida, dispositivo intrauterino o anticonceptivo hormonal oral/inyectable/implantado utilizado en combinación con un método de barrera adicional) durante el estudio y durante 30 días después del último tratamiento del estudio.
    15. Los varones deberán comprometerse a mantener la abstinencia o a utilizar de forma sistemática un método anticonceptivo fiable y muy eficaz (p. ej., preservativo más diafragma, preservativo más espermicida, diafragma más espermicida o dispositivo intrauterino o anticonceptivo hormonal oral/inyectable/implantado en combinación con un método de barrera adicional) para evitar el embarazo de la pareja del paciente durante el estudio y durante al menos 30 días después del último tratamiento, a menos que el paciente proporcione documentación de una vasectomía practicada como mínimo 6 meses antes de la selección. Los pacientes varones también deberán abstenerse de donar semen durante el estudio y durante los 30 días siguientes al último tratamiento.
    16. Los pacientes que utilicen remedios de herboristería, naturopáticos y chinos tradicionales, así como suplementos ayurvédicos y nutricionales, podrán participar si el investigador lo considera aceptable. Estos remedios se deberán haber administrado en una dosis y una pauta estables, con el mismo preparado, durante ≥2 meses antes de la selección.
    17. Capacidad para comprender y otorgar voluntariamente el consentimiento informado por escrito para participar en el estudio y pata cumplir todos los procedimientos del estudio.
    E.4Principal exclusion criteria
    1.Has MGFA Class I, IVb, or V disease, or presence of MG crisis (MGFA Class V) at Screening or Baseline, history of MG crisis within 1 month of the Screening visit, or fixed weakness (and/or ‘burnt out’ MG).
    2.Has received rituximab or eculizumab within 12 months prior to Screening.
    3.Has received plasmapheresis, immunoadsorption therapy, or IVIG within 6 weeks prior to randomization on Day 1.
    4.Has a serious or clinically significant infection
    5.Has a chronic infection
    6.Has any confirmed or suspected clinical immunodeficiency syndrome not related to treatment of his/her gMG, including human immunodeficiency virus (HIV) infection, or
    has a family history of congenital or hereditary immunodeficiency.
    7.Has a positive or equivocal QuantiFERON®-TB Gold test, and/or a known close exposure to family or individuals known to have tuberculosis.
    8.Has had a splenectomy.
    9.Received treatment for malignancy within the 5 years prior to Screening, with the exceptions of properly treated basal or squamous cell carcinoma of the skin or properly treated carcinoma in situ of the cervix.
    10.Has a hypersensitivity to M281 or any constituent of the study drug solution.
    11.Has had a prior severe drug reaction that included shock or severe hypersensitivity.
    1. Enfermedad de clase I, IVb o V de la MGFA, o presencia de crisis de MG (clase V de la MGFA) en la selección o el momento basal, antecedentes de crisis de MG en el mes previo a la visita de selección o debilidad fija (o MG en fase de desgaste). Si el estado clínico del paciente cambia de tal forma que el paciente cumpla el criterio de inclusión n.º 4 (clase clínica II, III o IVa de la MGFA), podrá someterse una vez más al proceso de selección.
    2. Tratamiento con rituximab o eculizumab en los 12 meses previos a la selección.
    3. Tratamiento con plasmaféresis, inmunoadsorción o IgIV en las 6 semanas previas a la aleatorización el día 1.
    4. Presencia de una infección grave
    5. Presencia de una infección crónica.
    6. Presencia o sospecha de un síndrome de inmunodeficiencia clínica no relacionado con el tratamiento de la MGg, incluida la infección por el virus de la inmunodeficiencia humana (VIH), o antecedentes familiares de inmunodeficiencia congénita o hereditaria.
    7. Resultado positivo o dudoso de la prueba QuantiFERON®-TB Gold o exposición estrecha conocida a familiares o personas con tuberculosis.
    8. Esplenectomía.
    9. Tratamiento por una neoplasia maligna en los 5 años previos a la selección, a excepción de un carcinoma basocelular o epidermoide de la piel debidamente tratado o un carcinoma in situ del cuello uterino debidamente tratado.
    10. Hipersensibilidad a M281 o a alguno de los componentes de la solución del fármaco del estudio.
    11. Reacción farmacológica grave previa que cursara con shock o hipersensibilidad grave.
    E.5 End points
    E.5.1Primary end point(s)
    1. M281 safety will be evaluated in terms of the incidence of AEs compared to placebo.
    2. Change of MG-ADL score for each treatment group from baseline to Day 57. It will be evaluated via dose-response analyses and with mixed-effects model repeated measures (MMRM) analyses.
    • La seguridad de M281 se evaluará en términos de la incidencia de EA en comparación con el placebo.
    • Variación de la puntuación total MG-ADL entre el momento basal y el día 57 en cada grupo de tratamiento. En el análisis principal de la eficacia se utilizará un modelo de efectos mixtos para mediciones repetidas (MMMR).
    E.5.1.1Timepoint(s) of evaluation of this end point
    Dose-respond analyses and MMRM analyses will be performed using data from Day 15, 29, 43 and 57. MMRM analyses will include variables for baseline MG-ADL score, treatment-by-study week interaction, and autoantibody type, with variance-covariance structure assumed as compound symmetry.
    El criterio de valoración principal de la eficacia será la variación de la puntuación total MG-ADL entre el momento basal y el día 57 en cada grupo de tratamiento en comparación con placebo. En el análisis principal de la eficacia se utilizará un modelo de efectos mixtos para mediciones repetidas (MMMR) que incluirá los datos de los días 15, 29, 43 y 57.
    E.5.2Secondary end point(s)
    1. A model-based analysis of total MG-ADL score change from Baseline and difference from placebo in relationship to total serum IgG percent of Baseline and treatment frequency. All five study arms will be included in a simultaneous analysis of total MG-ADL score as a function of total serum IgG (Baseline to Day 57).
    2. A model-based analysis of total MG-ADL score change from Baseline and difference from placebo during the study as a response to percent change in total serum IgG (Baseline to Day 57), for patients positive for anti-AChR antibodies only
    3. Responder analysis: number of patients with a 2-, 3-, 4-, 5-, 6-, 7-, or ≥8-point improvement in total MG-ADL score from Baseline to Day 57
    4. Change in total QMG score from Baseline to Day 57
    5. Change in total MG-QoL15r score from Baseline to Day 57
    6. Shift in MGFA classification from Baseline to Day 57 for each treatment group
    7. Change in total serum IgG from Baseline to Day 57 for each treatment group
    8. Change in total MG-ADL, QMG, and MG-QoL15r scores over time after the last dose
    9. Responder analysis: number of patients with a 2-, 3-, 4-, 5-, 6-, 7-, or ≥8-point improvement in total QMG score over time after the last dose
    10. Shift in MGFA classification over time after the last dose
    11. Change in total serum IgG over time after the last dose
    1. Análisis basado en un modelo de la variación de la puntuación total de MG-ADL con respecto al momento basal y la diferencia con el placebo en cuanto a la relación con el porcentaje total de IgG sérica del momento basal y la frecuencia del tratamiento. Se incluirá a los cinco grupos del estudio en un análisis simultáneo de la puntuación total de MG-ADL en función de la IgG sérica total (desde el momento basal hasta el día 57).
    2. Análisis basado en un modelo de la variación de la puntuación total de MG-ADL con respecto al momento basal y la diferencia con el placebo durante el estudio como respuesta a la variación porcentual de la IgG sérica total (entre el momento basal y el día 57), solo en los pacientes con anticuerpos anti-AChR
    3. Análisis de los respondedores: número de pacientes con una mejoría de 2, 3, 4, 5, 6, 7 o ≥ 8 puntos en la puntuación total de MG-ADL entre el momento basal y el día 57
    4. Variación de la puntuación total de QMG entre el momento basal y el día 57
    5. Variación de la puntuación total de MG-QoL15r entre el momento basal y el día 57
    6. Variación de la clasificación MGFA entre el momento basal y el día 57 en cada grupo de tratamiento.
    7. Variación de la IgG sérica total entre el momento basal y el día 57 en cada grupo de tratamiento.
    8. Variación de las puntuaciones totales de MG-ADL, QMG y MG-QoL15r a lo largo del tiempo después de la última dosis
    9. Análisis de los respondedores: número de pacientes con una mejoría de 2, 3, 4, 5, 6, 7 o ≥ 8 puntos de la puntuación total de QMG a lo largo del tiempo después de la última dosis
    10. Variación de la clasificación MGFA a lo largo del tiempo después de la última dosis
    11. Variación de la IgG sérica total a lo largo del tiempo después de la última dosis
    E.5.2.1Timepoint(s) of evaluation of this end point
    The model-based analysis of total MG-ADL score change from Baseline, change from placebo will assess a set of monotonic models to define the effect of IgG lowering on MG-ADL changes from baseline to Day 57. The models will be averaged and the effects will be summarized by median IgG lowering for each of the treatment groups. A second analysis will perform the same model-based assessment (from Baseline to Day 57) including only patients positive for anti-AChR antibodies.
    En el análisis basado en el modelo de la variación de la puntuación total de MG-ADL con respecto al momento basal, la variación con respecto al placebo evaluará un grupo de modelos monotónicos para definir el efecto de la disminución de IgG en las variaciones de MG-ADL con respecto al momento basal. Los modelos serán promediados (ponderación mediante el criterio de información de Akaike) y los efectos se resumirán por la mediana de la disminución de la IgG en cada uno de los grupos de tratamiento. En un segundo análisis se hará la misma evaluación basada en un modelo que incluirá únicamente a los pacientes con anticuerpos anti-AChR positivos.
    E.6 and E.7 Scope of the trial
    E.6Scope of the trial
    E.6.1Diagnosis No
    E.6.2Prophylaxis No
    E.6.3Therapy Yes
    E.6.4Safety Yes
    E.6.5Efficacy Yes
    E.6.6Pharmacokinetic Yes
    E.6.7Pharmacodynamic Yes
    E.6.8Bioequivalence No
    E.6.9Dose response Yes
    E.6.10Pharmacogenetic No
    E.6.11Pharmacogenomic No
    E.6.12Pharmacoeconomic No
    E.6.13Others Yes
    E.6.13.1Other scope of the trial description
    Immunogenicity Assessments, Biomarkers
    Evaluaciones de Inmunogenicidad, Biomarcadores
    E.7Trial type and phase
    E.7.1Human pharmacology (Phase I) No
    E.7.1.1First administration to humans No
    E.7.1.2Bioequivalence study No
    E.7.1.3Other No
    E.7.1.3.1Other trial type description
    E.7.2Therapeutic exploratory (Phase II) Yes
    E.7.3Therapeutic confirmatory (Phase III) No
    E.7.4Therapeutic use (Phase IV) No
    E.8 Design of the trial
    E.8.1Controlled Yes
    E.8.1.1Randomised Yes
    E.8.1.2Open No
    E.8.1.3Single blind No
    E.8.1.4Double blind Yes
    E.8.1.5Parallel group Yes
    E.8.1.6Cross over No
    E.8.1.7Other No
    E.8.2 Comparator of controlled trial
    E.8.2.1Other medicinal product(s) No
    E.8.2.2Placebo Yes
    E.8.2.3Other No
    E.8.2.4Number of treatment arms in the trial5
    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.8.4.1Number of sites anticipated in Member State concerned8
    E.8.5The trial involves multiple Member States Yes
    E.8.5.1Number of sites anticipated in the EEA30
    E.8.6 Trial involving sites outside the EEA
    E.8.6.1Trial being conducted both within and outside the EEA Yes
    E.8.6.2Trial being conducted completely outside of the EEA No
    E.8.6.3If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned
    Belgium
    Canada
    France
    Germany
    Italy
    Poland
    Spain
    United Kingdom
    United States
    E.8.7Trial 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
    The study includes a Screening Period of up to 4 weeks, an 8-week Treatment Period, and an 8-week follow-up period (beginning after the last infusion). Last visit of the patient will take place at Day 113. Total study duration is 20 weeks.
    El estudio incluye un Periodo de 4 semanas de Screening, un periodo de 8 semanas de tratamiento, un periodo de 8 semanas de seguimiento (que comienza después de la última inyección). La última visita del paciente tendrá lugar el día 113. La duración del estudio total es de 20 semanas.
    E.8.9 Initial estimate of the duration of the trial
    E.8.9.1In the Member State concerned years1
    E.8.9.1In the Member State concerned months4
    E.8.9.1In the Member State concerned days0
    E.8.9.2In all countries concerned by the trial years1
    E.8.9.2In all countries concerned by the trial months6
    E.8.9.2In all countries concerned by the trial days0
    F. Population of Trial Subjects
    F.1 Age Range
    F.1.1Trial has subjects under 18 No
    F.1.1.1In Utero No
    F.1.1.2Preterm newborn infants (up to gestational age < 37 weeks) No
    F.1.1.3Newborns (0-27 days) No
    F.1.1.4Infants and toddlers (28 days-23 months) No
    F.1.1.5Children (2-11years) No
    F.1.1.6Adolescents (12-17 years) No
    F.1.2Adults (18-64 years) Yes
    F.1.2.1Number of subjects for this age range: 36
    F.1.3Elderly (>=65 years) Yes
    F.1.3.1Number of subjects for this age range: 24
    F.2 Gender
    F.2.1Female Yes
    F.2.2Male Yes
    F.3 Group of trial subjects
    F.3.1Healthy volunteers No
    F.3.2Patients Yes
    F.3.3Specific vulnerable populations Yes
    F.3.3.1Women of childbearing potential not using contraception No
    F.3.3.2Women of child-bearing potential using contraception Yes
    F.3.3.3Pregnant women No
    F.3.3.4Nursing women No
    F.3.3.5Emergency situation No
    F.3.3.6Subjects incapable of giving consent personally No
    F.3.3.7Others No
    F.4 Planned number of subjects to be included
    F.4.1In the member state9
    F.4.2 For a multinational trial
    F.4.2.1In the EEA 33
    F.4.2.2In the whole clinical trial 60
    F.5 Plans for treatment or care after the subject has ended the participation in the trial (if it is different from the expected normal treatment of that condition)
    None
    Ninguno
    G. Investigator Networks to be involved in the Trial
    N. Review by the Competent Authority or Ethics Committee in the country concerned
    N.Competent Authority Decision Authorised
    N.Date of Competent Authority Decision2018-12-14
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2018-11-19
    P. End of Trial
    P.End of Trial StatusCompleted
    P.Date of the global end of the trial2020-06-25
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