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    Summary
    EudraCT Number:2015-003697-32
    Sponsor's Protocol Code Number:204471
    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:2015-11-24
    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 number2015-003697-32
    A.3Full title of the trial
    A multi-centre, open label, single arm, 32-week treatment study in subjects with severe eosinophilic asthma not optimally controlled with current omalizumab treatment who are switched from omalizumab to mepolizumab 100mg subcutaneous.
    Estudio multicéntrico, abierto, con una rama de tratamiento de 32 semanas, en sujetos con asma grave eosinofílica no controlados óptimamente con su tratamiento actual con omalizumab, a los que se les cambia el tratamiento de omalizumab a mepolizumab 100 mg subcutáneo.
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    A open label, single arm, 32-week treatment study in subjects with severe eosinophilic asthma who are switched from omalizumab to mepolizumab 100mg subcutaneous
    Estudio abierto, con una rama de tratamiento de 32 semanas, en sujetos con asma grave eosinofílica a los que se les cambia el tratamiento de omalizumab a mepolizumab 100 mg subcutáneo.
    A.3.2Name or abbreviated title of the trial where available
    OSMO study
    Estudio OSMO
    A.4.1Sponsor's protocol code number204471
    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 SponsorGlaxoSmithKline, S.A.
    B.1.3.4CountrySpain
    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 supportGlaxoSmithKline R&D
    B.4.2CountryUnited States
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationGlaxoSmithKline
    B.5.2Functional name of contact pointCentro de Información
    B.5.3 Address:
    B.5.3.1Street AddressC/Severo Ochoa, 2
    B.5.3.2Town/ cityTres Cantos (Madrid)
    B.5.3.3Post code28760
    B.5.3.4CountrySpain
    B.5.4Telephone number+34902202700
    B.5.5Fax number+34918070479
    B.5.6E-mailes-ci@gsk.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 nameMepolizumab
    D.3.2Product code SB-240563
    D.3.4Pharmaceutical form Lyophilisate for solution for injection
    D.3.4.1Specific paediatric formulation No
    D.3.7Routes of administration for this IMPSubcutaneous use
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNMEPOLIZUMAB
    D.3.9.1CAS number 196078-29-2
    D.3.9.2Current sponsor codeSB-240563
    D.3.9.3Other descriptive nameMEPOLIZUMAB
    D.3.9.4EV Substance CodeSUB21650
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number100
    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 No
    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 Yes
    D.3.11.13.1Other medicinal product typeMepolizumab (SB-240563) es un anticuerpo IgG totalmente humanizado (IgG1, kappa) con regiones constantes de cadena ligera y pesada de origen humano.
    D.8 Information on Placebo
    E. General Information on the Trial
    E.1 Medical condition or disease under investigation
    E.1.1Medical condition(s) being investigated
    Severe Asthma
    Asma grave
    E.1.1.1Medical condition in easily understood language
    Severe Asthma
    Asma grave
    E.1.1.2Therapeutic area Diseases [C] - Respiratory Tract Diseases [C08]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 18.1
    E.1.2Level PT
    E.1.2Classification code 10003553
    E.1.2Term Asthma
    E.1.2System Organ Class 10038738 - Respiratory, thoracic and mediastinal disorders
    E.1.3Condition being studied is a rare disease No
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    To determine whether there is an improvement in asthma control when directly switched to mepolizumab, in subjects with a severe eosinophilic asthma phenotype not optimally controlled on omalizumab.
    Determinar si existe una mejoría del control del asma en sujetos con un fenotipo de asma grave eosinofílica no controlados óptimamente con omalizumab, cuando pasan directamente a recibir tratamiento con mepolizumab.
    E.2.2Secondary objectives of the trial
    When directly switched to mepolizumab, in subjects with a severe eosinophilic asthma phenotype not optimally controlled on omalizumab:
    Secondaries:
    - To determine whether there is an improvement in Health related Quality of Life (HR-QoL).
    - To determine the frequency of asthma exacerbations.
    - To evaluate the pharmacodynamic effects.
    Others:
    - To determine the response to asthma clinical parameters.
    Exploratory:
    To determine the effect on inflammatory biomarkers.
    To characterize patient treatment benefit of mepolizumab.
    Safety:
    - To determine the safety, immunogenicity and tolerability of mepolizumab
    En sujetos con un fenotipo de asma grave eosinofílica no controlados óptimamente con omalizumab, cuando pasan a recibir directamente mepolizumab:
    Secundarios:
    - Determinar si existe una mejoría en la calidad de vida relacionada con la salud (CdVRS).
    - Determinar la frecuencia de las exacerbaciones del asma.
    -Evaluar los efectos farmacodinámicos
    Otros:
    - Determinar la respuesta a los parámetros clínicos del asma.
    Exploratorios:
    - Determinar el efecto sobre los biomarcadores inflamatorios.
    - Caracterizar el beneficio terapéutico para el paciente de mepolizumab
    Seguridad:.
    - Determinar la seguridad, inmunogenicidad y tolerabilidad de mepolizumab.
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    1. At least 12 years of age at the time of signing the informed consent. [For those countries where local regulations permit enrolment of adults only, subject recruitment will be restricted to those who are >=18 years of age]
    2. Asthma: A physician diagnosis of asthma for >=2 years that meets the National Heart and Lung Institute guidelines [National heart, lung and blood institute (NIH), 2007] or GINA guidelines (GINA, 2015]
    3. FEV1: Persistent airflow obstruction as indicated by:
    For subjects >=18 years of age at Visit 1, a pre-bronchodilator FEV1 <80% predicted [Quanjer, 2012] recorded at Visit 1
    For subjects 12-17 years of age at Visit 1, a pre-bronchodilator FEV1 <90% predicted [Quanjer, 2012] recorded at Visit 1
    OR
    FEV1/FVC ratio <0.8 recorded at Visit 1
    4. Eosinophilic asthma: Airway inflammation characterized as eosinophilic in nature as indicated by one of the following:
    a. A peripheral blood eosinophil count of >=300 cells/µL that is related to asthma demonstrated in the past 12 months prior to Visit 1
    OR
    b. A peripheral blood eosinophil count of >=150 cells/µL at Visit 1 that is related to asthma.
    5. Inhaled Corticosteroid: A well-documented requirement for regular treatment with high-dose inhaled corticosteroid (ICS) in the 12 months prior to Visit 1 with or without maintenance oral corticosteroids (OCS).
    For 18 years of age and older:
    ICS dose must be >=880 mcg/day fluticasone propionate (FP) (ex-actuator) or equivalent daily
    For ICS/LABA combination preparations, the highest approved maintenance dose in the local country will meet this ICS criterion.
    For subjects 12-17 years of age at Visit 1:
    ICS dose must be >=440 mcg/day fluticasone propionate (FP) (ex-actuator) or equivalent daily
    For ICS/LABA combination preparations, the highest approved maintenance dose in the local country will meet this ICS criterion.
    6. Controller Medication: Current treatment with an additional controller medication, besides ICS, for at least 3 months or a documented failure in the past 12 months of an additional controller medication for at least 3 successive months. [e.g., long-acting beta-2-agonist (LABA), leukotriene receptor antagonist (LTRA), or theophylline.]
    7. Asthma symptoms not optimally controlled: An ACQ-5 score of >=1.5 recorded at Visit 1.
    8. Omalizumab Treatment: Receiving omalizumab, based on weight and IgE levels, for at least the 4 months prior to Visit 1.
    9. Exacerbation history: Previously confirmed history of two or more exacerbations requiring treatment with systemic corticosteroids (intramuscular, intravenous, or oral) in the 12 months prior to Visit 1 despite the use of high-dose ICS. For subjects receiving omalizumab for >=8 months, at least one exacerbation must have occurred while on omalizumab treatment. For subjects receiving maintenance oral corticosteroids, the corticosteroid treatment for the exacerbations must have been a two-fold dose increase or greater.
    10. Male or eligible Female
    Females:
    a. Non-reproductive potential defined as:
    - Pre-menopausal females with one of the following:
    - Documented tubal ligation
    - Documented hysteroscopic tubal occlusion procedure with follow-up confirmation of bilateral tubal occlusion
    - Hysterectomy
    - Documented Bilateral Oophorectomy
    - Postmenopausal defined as 12 months of spontaneous amenorrhea [in questionable cases a blood sample with simultaneous follicle stimulating hormone (FSH) and estradiol levels consistent with menopause (refer to laboratory reference ranges for confirmatory levels)]. Females on hormone replacement therapy (HRT) and whose menopausal status is in doubt will be required to use one of the highly effective contraception methods if they wish to continue their HRT during the study. Otherwise, they must discontinue HRT to allow confirmation of post-menopausal status prior to study enrolment.
    b. Reproductive potential and agrees to follow one of the options listed in the Modified List of Highly Effective Methods for Avoiding Pregnancy in Females of Reproductive Potential (FRP) (see Appendix 3) from 30 days prior to the first dose of study medication and until at least five terminal half-lives OR until any continuing pharmacologic effect has ended, whichever is longer, after the last dose of study medication and completion of the Exit visit/Early Withdrawal visit.
    The investigator is responsible for ensuring that subjects understand how to properly use these methods of contraception.
    11. Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the consent form and in this protocol.
    1. Edad: Como mínimo, de 12 años de edad en el momento de firmar el consentimiento/asentimiento informado.
    2. Asma: Diagnóstico de asma por parte del médico de >=2 años que cumpla las directrices del National Heart and Lung Institute [(NIH), 2007] o de la GINA (GINA, 2015]
    3. FEV1: Obstrucción persistente al flujo aéreo indicado por:
    Para sujetos de >=18 años en la visita 1, un FEV1 prebroncodilatador <80 % del teórico (Quanjer, 2012) registrado en la visita 1.
    Para sujetos de entre 12 y 17 años en la visita 1, un FEV1 prebroncodilatador <90 % del teórico (Quanjer, 2012) registrado en la visita 1
    O
    Cociente FEV1/FVC < 0,8 registrado en la visita 1
    4. Asma eosinofílica: Inflamación de las vías aéreas caracterizada como de naturaleza eosinofílica, indicada por una de las siguientes observaciones:
    a. Un recuento de eosinófilos en sangre periférica de >300 células/microL relacionado con el asma demostrado en los 12 meses anteriores a la visita 1
    O
    b. Un recuento de eosinófilos en sangre periférica de >=50 células/microL en la visita 1 relacionado con el asma.
    5. Corticosteroides inhalados: Necesidad bien documentada de tratamiento habitual con corticosteroides inhalados (CI) en dosis altas en los 12 meses anteriores a la visita 1 con o sin corticosteroides orales de mantenimiento.
    Para sujetos con 18 años de edad o más:
    La dosis de CI debe ser >=880 ?g/día de propionato de fluticasona (FP) (dosis emitida) o equivalente.
    Para las preparaciones combinadas de CI/LABA, la dosis de mantenimiento más alta aprobada en el país cumplirá este criterio de CI.
    Para sujetos de 12 a 17 años en la visita 1:
    La dosis de CI debe ser >=440 ?g/día de FP (dosis emitida) o equivalente.
    Para las preparaciones combinadas de CI/LABA, la dosis de mantenimiento más alta aprobada en el país cumplirá este criterio de CI.
    6. Medicación de control: Tratamiento actual con una medicación de control adicional, además de CI, durante un mínimo de 3 meses o un fracaso documentado en los 12 meses anteriores con una medicación de control adicional durante un mínimo de 3 meses consecutivos.
    7. Síntomas del asma no controlados óptimamente: Una puntuación del ACQ-5 >=1,5 registrada en la visita 1.
    8. Tratamiento con omalizumab: Haber recibido omalizumab, en función del peso y los niveles de IgE, durante al menos 4 meses anteriores a la visita 1.
    9. Historia de exacerbaciones: Antecedentes confirmados de dos o más exacerbaciones que requirieron tratamiento con corticosteroides sistémicos (por vía intramuscular, intravenosa u oral), en los 12 meses anteriores a la visita 1, a pesar del uso de dosis altas de CI. En los sujetos que reciban omalizumab durante ?8 meses, debe haberse producido al menos una exacerbación durante el tratamiento con omalizumab. En sujetos que reciben mantenimiento con corticosteroides orales, el tratamiento con corticosteroides por las exacerbaciones debe haber sido en una dosis doble o superior.
    10. Varones o mujeres elegibles
    Mujeres:
    a. La ausencia de capacidad reproductiva se define como:
    - Mujeres premenopáusicas con alguna de las circunstancias siguientes:
    - Ligadura de trompas documentada
    - Procedimiento documentado de oclusión histeroscópica de trompas con confirmación de seguimiento de ligadura de trompas bilateral
    - Histerectomía
    - Ooforectomía bilateral documentada
    - Postmenopáusica se define como 12 meses de amenorrea espontánea (en los casos dudosos, una muestra de sangre con niveles simultáneos de la hormona foliculoestimulante (FSH) y estradiol consistentes con menopausia (consúltense los niveles de confirmación en los valores de referencia del laboratorio)] A las mujeres que estén recibiendo tratamiento hormonal sustitutivo y cuya situación menopáusica esté en duda, se les exigirá utilizar uno de los métodos anticonceptivos eficaces si desean continuar con el tratamiento hormonal sustitutivo durante el estudio. De lo contrario, deberán interrumpir ese tratamiento para poder confirmar la situación posmenopáusica antes de su inclusión en el estudio.
    b. Capacidad reproductora y compromiso de utilizar una de las opciones enumeradas en la Lista modificada de métodos anticonceptivos eficaces en mujeres en edad fértil (véase el Apéndice 3) desde 30 días antes de la primera dosis de la medicación del estudio y hasta al menos cinco semividas terminales O hasta que haya finalizado cualquier efecto farmacológico continuado, lo que dure más tiempo, después de la última dosis de la medicación del estudio y la finalización de la visita de finalización/visita de retirada prematura.
    El investigador es responsable de garantizar que los pacientes conozcan el modo de uso correcto de estos métodos anticonceptivos.
    11. Capaces de otorgar su consentimiento informado firmado, lo que incluye el cumplimiento de los requisitos y restricciones mencionados en el documento de consentimiento y en este protocolo.
    E.4Principal exclusion criteria
    1. Concurrent Respiratory Disease: Presence of a known pre-existing, clinically important lung condition other than asthma. This includes current infection, bronchiectasis, pulmonary fibrosis, bronchopulmonary aspergillosis, or diagnoses of emphysema or chronic bronchitis (chronic obstructive pulmonary disease other than asthma) or a history of lung cancer.
    2. Malignancy: A current malignancy or previous history of cancer in remission for less than 12 months prior to screening (subjects that had localized carcinoma of the skin which was resected for cure will not be excluded).
    3. Liver disease: Subjects must not be enrolled in the study if :
    At screening (Visit 1) ALT >2xULN; and bilirubin >1.5xULN (isolated bilirubin >1.5xULN is acceptable if bilirubin is fractionated and direct bilirubin <35%)
    Current active liver or biliary disease (with the exception of Gilbert?s syndrome or asymptomatic gallstones or otherwise stable chronic liver disease per investigator assessment).
    4. Hepatitis status: Diagnosis of chronic hepatitis B, as evidenced by positive Hepatitis B surface antigen (HBsAg) at Visit 1. Chronic stable hepatitis C (e.g.,positive hepatitis C antibody test result at screening (Visit 1) or within 3 months prior to first dose of study treatment) are acceptable if subject otherwise meets entry criteria.

    5. Cardiovascular: Subjects who have severe or clinically significant cardiovascular disease uncontrolled with standard treatment. Including but not limited to:
    a. known ejection fraction of <30% OR
    b. severe heart failure meeting New York Heart Association Class IV (see Appendix 4) classification OR
    c. hospitalised in the 12 months prior to Visit 1 for severe heart failure meeting New York Heart Association Class III (see Appendix 8) OR
    d. angina diagnosed less than 3 months prior to Visit 1 or at Visit 1

    6. Subjects with QTc > 450 msec or QTc > 480 msec in subjects with Bundle Branch Block at screening Visit 1
    7. Other Concurrent Medical Conditions: Subjects who have known, pre-existing, clinically significant endocrine, autoimmune, metabolic, neurological, renal, gastrointestinal, hepatic, haematological or any other system abnormalities that are uncontrolled with standard treatment.
    8. Eosinophilic Diseases: Subjects with other conditions that could lead to elevated eosinophils such as Hypereosinophilic Syndromes, including Churg-Strauss Syndrome (Eosinophilic Granulomatosis with Polyangiitis; EGPA), or Eosinophilic Esophagitis. Subjects with a known, pre-existing parasitic infestation within 6 months prior to Visit 1 are also to be excluded.
    9. Immunodeficiency: A known immunodeficiency (e.g., human immunodeficiency virus ? HIV), other than that explained by the use of corticosteroids taken as therapy for asthma.
    10. Other Monoclonal Antibodies: Subjects who have received any monoclonal antibody (other than omalizumab) to treat inflammatory disease within 5 half-lives of Visit 1.
    11. Smoking history: Current smokers or former smokers with a smoking history of ?10 pack years (number of pack years = (number of cigarettes per day / 20) x number of years smoked). A former smoker is defined as a subject who quit smoking at least 6 months prior to Screening Visit 1.
    12. Alcohol/Substance Abuse: A history (or suspected history) of alcohol misuse or substance abuse within 2 years prior to Visit 1.
    13. Adherence: Subjects who have known evidence of lack of adherence to controller medications and/or ability to follow physician?s recommendations.
    14. Hypersensitivity: Subjects with allergy/intolerance to a monoclonal antibody or biologic.
    History of sensitivity to any of the study medications, or components thereof or a history of drug or other allergy that, in the opinion of the investigator or Medical Monitor, contraindicates their participation.
    15. Investigator opinion: Omalizumab treatment has provided significant clinical benefit despite experiencing 2 exacerbations in the past 12 months, and potential benefit from a switch to mepolizumab would not outweigh the potential harm after omalizumab withdrawal for the subject.
    16. Previous participation: Previously participated in any study with mepolizumab and received investigational product (including placebo).
    17. Investigational Medications: Subjects who have received treatment with an investigational drug within the past 30 days or five terminal phase half-lives of the drug whichever is longer, prior to Screening (V1) (this also includes investigational formulations of marketed products).
    18. Pregnancy: Subjects who are pregnant or breastfeeding. Patients should not be enrolled if they plan to become pregnant during the time of study participation.
    1. Enfermedad respiratoria concurrente: Presencia de una enfermedad pulmonar clínicamente importante, previa y conocida, diferente del asma. Entre estas se incluyen infección actual, bronquiectasias, fibrosis pulmonar, aspergilosis broncopulmonar o diagnósticos de enfisema o bronquitis crónica (EPOC diferente del asma) o antecedentes de cáncer de pulmón.
    2. Neoplasia maligna: una neoplasia maligna actual o antecedente de cáncer en remisión de menos de 12 meses antes de la selección (no se excluirá a los sujetos que hayan sufrido carcinoma cutáneo localizado, resecado con intención curativa).
    3. Enfermedad hepática: No se incluirá en el estudio a los sujetos si:
    ALT >2 x LSN y bilirrubina >1,5 x LSN (un valor aislado de bilirrubina >1,5 x LSN es aceptable si la bilirrubina está fraccionada y la bilirrubina directa es <35%) en la visita de selección.
    Enfermedad hepatobiliar activa actual (excepto el síndrome de Gilbert o los cálculos biliares asintomáticos o hepatopatía crónica estable según la evaluación del investigador).
    4. Situación respecto a la hepatitis: Diagnóstico de hepatitis B crónica, evidenciada por un antígeno de superficie del virus de la hepatitis B (HBsAg) positivo en la visita 1. Es aceptable la hepatitis crónica estable C (p. ej., positividad de los anticuerpos anti-hepatitis C en el momento de la selección o en los 3 meses anteriores a la primera dosis del tratamiento del estudio) si el sujeto cumple los restantes criterios de entrada.
    5. Trastornos cardiovasculares: sujetos que presenten enfermedad cardiovascular grave o de importancia clínica no controlada con tratamiento convencional. Incluidos, entre otros:
    a. fracción de eyección conocida <30 %, O BIEN
    b. insuficiencia cardíaca grave de clase IV de la ?NYHA? O BIEN
    c. hospitalización en los 12 meses previos a la visita 1 por insuficiencia cardíaca grave que cumpla los criterios de clase III de la ?NYHA? O BIEN
    d. angina diagnosticada menos de 3 meses antes de la visita 1 o en la visita 1
    6. Sujetos con QTc>450 ms, o QTc>480 ms en los sujetos con bloqueo de rama en la visita 1 de selección
    7. Otros problemas médicos concurrentes: Sujetos con anomalías preexistentes clínicamente relevantes endocrinas, autoinmunitarias, metabólicas, neurológicas, renales, digestivas, hepáticas, hematológicas o de otra naturaleza, no controladas con el tratamiento convencional.
    8. Enfermedades eosinofílicas: sujetos con otras enfermedades que podrían provocar eosinofilia como síndromes hipereosinofílicos, incluidos el síndrome de Churg-Strauss o esofagitis eosinofílica. También se excluirá a los sujetos con una infestación parasitaria preexistente en los 6 meses anteriores a la visita 1.
    9. Inmunodeficiencia: Un estado conocido de inmunodeficiencia diferente del que pueda explicarse por el uso de corticosteroides como tratamiento para el asma.
    10. Otros anticuerpos monoclonales: sujetos que han recibido cualquier anticuerpo monoclonal (diferente de omalizumab) para el tratamiento de una enfermedad inflamatoria en 5 semividas antes de la visita 1.
    11. Antecedentes de tabaquismo: Consumo actual o previo de cigarrillos con unos antecedentes de tabaquismo de >=10 paquetes-año [número de paquetes-año = (número de cigarrillos al día/20) x número de años de fumador]. Antiguo fumador se define como un sujeto que abandonó el consumo de tabaco como mínimo 6 meses antes de la visita 1 de selección.
    12. Abuso de alcohol/sustancias: Antecedentes (o sospecha de antecedentes) de consumo abusivo de alcohol o abuso de sustancias en los 2 años previos a visita 1.
    13. Adherencia: Sujetos con indicios conocidos de incumplimiento de los medicamentos de control o de incapacidad para seguir las recomendaciones del médico.
    14. Hipersensibilidad: Sujetos con alergia o intolerancia conocidas a un anticuerpo monoclonal o tratamiento biológico.
    Antecedentes de sensibilidad a alguno de los fármacos del estudio o a sus componentes o antecedentes de alergias farmacológicas o de otros tipos que, en opinión del investigador o el monitor médico, contraindiquen la participación.
    15. Opinión del investigador: El tratamiento con omalizumab ha proporcionado un beneficio clínico significativo a pesar de experimentar 2 exacerbaciones en los 12 últimos meses, y el posible beneficio de un cambio de tratamiento a mepolizumab no superaría el posible perjuicio después de que se retire omalizumab al sujeto.
    16. Participación previa: Participación previa en cualquier estudio con mepolizumab y haber recibido un producto en investigación (incluido placebo).
    17. Medicamentos en investigación: Sujetos que hayan recibido tratamiento con un fármaco en investigación en los últimos 30 días o cinco semividas de la fase terminal del fármaco, lo que suponga más tiempo, antes de la selección (visita 1)
    18. Embarazo: mujeres embarazadas o lactantes. Las mujeres no podrán ser incluidas en el estudio si tienen previsto quedarse embarazadas durante el periodo de participación en el estudio.
    E.5 End points
    E.5.1Primary end point(s)
    Mean change from baseline in ACQ-5 score at Week 32
    Variación media de la puntuación del ACQ-5 respecto del valor basal en la semana 32.
    E.5.1.1Timepoint(s) of evaluation of this end point
    Week 32
    Semana 32
    E.5.2Secondary end point(s)
    - Mean change from baseline in SGRQ score at Week 32

    - Frequency of clinically significant asthma exacerbations over 32 week treatment

    - Ratio to baseline in blood eosinophils at Week 32

    - Percentage of subjects achieving a 0.5-point or greater reduction from baseline in ACQ-5 score at Week 32

    - Percentage of subjects achieving a 4-point or greater reduction from baseline in SGRQ score at Week 32

    - Mean change from baseline in pre- and post bronchodilator FEV1 at Week 32

    - Frequency of exacerbations requiring ED visit/hospitalization during the treatment period
    ? Subject/Clinician rated response to therapy
    ? Mean change from baseline in treatment satisfaction questionnaire
    ? Change from baseline in some inflammatory biomarkers expression at week 32.

    ? Subject Exit Interviews
    ? Incidence and frequency of Adverse/Serious Adverse Events (including systemic and injection site reactions)
    ? Clinically significant change in electrocardiogram (ECGs)
    ? Clinically significant change in vital signs
    ? Incidence of immunogenicity
    - Variación media de la puntuación del SGRQ en la semana 32 respecto al momento basal
    - Frecuencia de las exacerbaciones clínicamente relevantes del asma durante 32 semanas de tratamiento
    - Cociente respecto del valor basal del recuento de eosinófilos en sangre en la semana 32
    - Porcentaje de sujetos que alcanzan una reducción igual o superior a 0,5 puntos en la puntuación del ACQ 5 en la semana 32 respecto al momento basal
    - Porcentaje de sujetos que alcanzan una reducción igual o superior a 4 puntos en la puntuación del SGRQ en la semana 32 respecto al momento basal
    - Variación media del FEV1 pre y post-broncodilatador en la semana 32 respecto al momento basal
    - Frecuencia de las exacerbaciones que requieren una visita al Servico de Urgencias/hospitalización durante el período de tratamiento
    - Respuesta al tratamiento calificada por el sujeto y el médico
    - Variación media con respecto al valor basal en el cuestionario de satisfacción con el tratamiento
    - Variación respecto al momento basal en la expresión de algunos biomarcadores inflamatorios en la semana 32.
    - Entrevista de salida con el sujeto
    - Incidencia y frecuencia de acontecimientos adversos/acontecimientos adversos graves (incluidos los sistémicos y las reacciones en el punto de inyección)
    - Variación clínicamente relevante en los electrocardiogramas (ECG)
    - Variación clínicamente relevante en las constantes vitales
    - Incidencia de inmunogenicidad
    E.5.2.1Timepoint(s) of evaluation of this end point
    Week 32
    Semana 32
    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 No
    E.6.7Pharmacodynamic Yes
    E.6.8Bioequivalence No
    E.6.9Dose response No
    E.6.10Pharmacogenetic Yes
    E.6.11Pharmacogenomic No
    E.6.12Pharmacoeconomic No
    E.6.13Others No
    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) No
    E.7.3Therapeutic confirmatory (Phase III) Yes
    E.7.4Therapeutic use (Phase IV) Yes
    E.8 Design of the trial
    E.8.1Controlled No
    E.8.1.1Randomised No
    E.8.1.2Open Yes
    E.8.1.3Single blind No
    E.8.1.4Double blind No
    E.8.1.5Parallel group No
    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 No
    E.8.2.3Other No
    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 concerned4
    E.8.5The trial involves multiple Member States Yes
    E.8.5.1Number of sites anticipated in the EEA27
    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
    Argentina
    Belgium
    Canada
    France
    Germany
    Netherlands
    Spain
    United States
    E.8.7Trial 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
    LSLV
    Última visita del último paciente.
    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 months8
    E.8.9.1In the Member State concerned days
    E.8.9.2In all countries concerned by the trial years1
    E.8.9.2In all countries concerned by the trial months8
    F. Population of Trial Subjects
    F.1 Age Range
    F.1.1Trial has subjects under 18 Yes
    F.1.1Number of subjects for this age range: 10
    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) Yes
    F.1.1.6.1Number of subjects for this age range: 10
    F.1.2Adults (18-64 years) Yes
    F.1.2.1Number of subjects for this age range: 90
    F.1.3Elderly (>=65 years) Yes
    F.1.3.1Number of subjects for this age range: 20
    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 state15
    F.4.2 For a multinational trial
    F.4.2.1In the EEA 60
    F.4.2.2In the whole clinical trial 120
    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)
    The investigator is responsible for ensuring that consideration has been given to the post-study care of the subject?s medical condition, whether or not GSK is providing specific post-study treatment.
    There are no plans to routinely provide mepolizumab following study completion, as mepolizumab is expected to be commercially available in most countries participating in this study.
    El investigador es responsable de garantizar que se han considerado los cuidados médicos del paciente después del estudio, independientemente de que GSK proporcione o no un tratamiento específico para después del estudio.
    No está previsto proporcionar sistemáticamente mepolizumab tras la finalización del estudio, ya que se prevé su comercialización en la mayoría de los países que participen en este estudio.
    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 Decision2016-01-27
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2016-01-15
    P. End of Trial
    P.End of Trial StatusCompleted
    P.Date of the global end of the trial2017-05-31
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