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    Summary
    EudraCT Number:2014-001232-11
    Sponsor's Protocol Code Number:200622
    National Competent Authority:Italy - Italian Medicines Agency
    Clinical Trial Type:EEA CTA
    Trial Status:Completed
    Date on which this record was first entered in the EudraCT database:2021-02-15
    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 ConcernedItaly - Italian Medicines Agency
    A.2EudraCT number2014-001232-11
    A.3Full title of the trial
    Study 200622: A randomized, double-blind, placebo-controlled study to investigate the efficacy and safety of mepolizumab in the treatment of adolescent and adult subjects with severe hypereosinophilic syndrome
    Uno studio randomizzato, in doppio cieco, controllato con placebo per valutare efficacia e sicurezza di mepolizumab nel trattamento di adolescenti e adulti con sindrome ipereosinofila grave.
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    Study of mepolizumab vs. placebo in patients with HES who receive standard therapy
    Studio con mepolizumab vs placebo in pazienti con sindrome ipereosinofila grave che stanno ricevendo una terapia standard.
    A.3.2Name or abbreviated title of the trial where available
    Study of mepolizumab vs. placebo in patients with HES who receive standard therapy
    Studio con mepolizumab vs placebo in pazienti con sindrome ipereosinofila che ricevono una terapia s
    A.4.1Sponsor's protocol code number200622
    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 RESEARCH AND DEVELOPMENT
    B.1.3.4CountryUnited Kingdom
    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 Research & Development Ltd
    B.4.2CountryUnited Kingdom
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationGlaxoSmithKline Research & Development Ltd
    B.5.2Functional name of contact pointGSK Clinical Support Help Desk
    B.5.3 Address:
    B.5.3.1Street Address1-3 Iron Bridge Road, Stockley Park West
    B.5.3.2Town/ cityUxbridge, Middlesex
    B.5.3.3Post codeUB11 1BT
    B.5.3.4CountryUnited Kingdom
    B.5.4Telephone number004408007839733
    B.5.5Fax number0000
    B.5.6E-mailGSKClinicalSupportHD@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 Yes
    D.2.1.1.1Trade name Nucala
    D.2.1.1.2Name of the Marketing Authorisation holderGlaxoSmithKline Trading Services Limited
    D.2.1.2Country which granted the Marketing AuthorisationEuropean Union
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community Yes
    D.2.5.1Orphan drug designation numberEU/3/04/213
    D.3 Description of the IMP
    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 codeSB240563
    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 Information not present in EudraCT
    D.3.11.3.2Gene therapy medical product Information not present in EudraCT
    D.3.11.3.3Tissue Engineered Product Information not present in EudraCT
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) Information not present in EudraCT
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product Information not present in EudraCT
    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.IMP: 2
    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 Yes
    D.2.1.1.1Trade name MILLIPRED
    D.2.1.1.2Name of the Marketing Authorisation holderZylera Pharmaceuticals
    D.2.1.2Country which granted the Marketing AuthorisationUnited States
    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 namePrednisolone
    D.3.2Product code ND
    D.3.4Pharmaceutical form Tablet
    D.3.4.1Specific paediatric formulation No
    D.3.7Routes of administration for this IMPOral use
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNPREDNISOLONE
    D.3.9.2Current sponsor codeND
    D.3.9.3Other descriptive namePREDNISOLONE
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number5
    D.3.11 The IMP contains an:
    D.3.11.1Active substance of chemical origin Yes
    D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) No
    The IMP is a:
    D.3.11.3Advanced Therapy IMP (ATIMP) No
    D.3.11.3.1Somatic cell therapy medicinal product Information not present in EudraCT
    D.3.11.3.2Gene therapy medical product Information not present in EudraCT
    D.3.11.3.3Tissue Engineered Product Information not present in EudraCT
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) Information not present in EudraCT
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product Information not present in EudraCT
    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 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 placeboLyophilisate for solution for injection
    D.8.4Route of administration of the placeboSubcutaneous use
    D.8 Placebo: 2
    D.8.1Is a Placebo used in this Trial?Yes
    D.8.3Pharmaceutical form of the placeboTablet
    D.8.4Route of administration of the placeboOral use
    E. General Information on the Trial
    E.1 Medical condition or disease under investigation
    E.1.1Medical condition(s) being investigated
    severe hypereosinophilic syndrome
    sindrome ipereosinofila grave
    E.1.1.1Medical condition in easily understood language
    Hypereosinophilic syndrome (HES)
    sindrome ipereosinofila
    E.1.1.2Therapeutic area Diseases [C] - Blood and lymphatic diseases [C15]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 20.0
    E.1.2Level PT
    E.1.2Classification code 10048643
    E.1.2Term Hypereosinophilic syndrome
    E.1.2System Organ Class 10005329 - Blood and lymphatic 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 demonstrate the efficacy of mepolizumab compared with placebo based on maintenance of control of HES symptoms during the treatment period.
    Dimostrare l¿efficacia di mepolizumab rispetto al placebo sulla base del mantenimento del controllo dei sintomi della HES durante il periodo di trattamento.
    E.2.2Secondary objectives of the trial
    To demonstrate supportive evidence of the benefit of mepolizumab compared with placebo based on other measures of efficacy.
    Dimostrare evidenze a sostegno del beneficio di mepolizumab rispetto al placebo sulla base di altre misure di efficacia.
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    1.Capable of giving signed informed consent/assent as described in Section 10.2 which includes compliance with the requirements and restrictions listed in the consent form and in this protocol.
    2. 12 years of age or older, at the time of signing the informed consent/assent
    3. Subjects who have been diagnosed with HES for at least 6 months at randomization. HES diagnosis is based on signs or symptoms of organ system involvement and/or dysfunction that can be directly related to:
    -blood eosinophilia of >1,500 eosinophils/µL on at least two occasions, and/or
    -tissue eosinophilia
    documented prior to Visit 2 without a discernible secondary cause
    Tissue eosinophilia is defined as a history of one or more of the following:
    -The percentage of eosinophils exceeds 20% of all nucleated cells in bone marrow sections.
    -In the opinion of a pathologist, tissue infiltration by eosinophils is extensive when compared with the normal physiologic range, compared with other inflammatory cells, or both.
    -A specific stain directed against an established eosinophil granule protein reveals extensive extracellular deposition of eosinophilderived proteins indicative of local eosinophil activation
    4. A history of two or more HES flares within the past 12 months prior to screening. Historical HES flares are defined as documented HES-related worsening of clinical symptoms or blood eosinophil counts requiring an escalation in therapy. At least one HES flare within the past 12 months must not be related to a decrease in HES therapy during the 4 weeks prior to the flare.
    5. Subjects must have blood eosinophil count =1000 cells/µL present in the sample collected during screening (within 4 weeks prior to randomization).
    6. Subjects must be on a stable dose of HES therapy for the 4 weeks prior to
    randomization. HES therapy includes but is not limited to oralcorticosteroid (OCS), immunosuppressive, and cytotoxic therapy.
    7. Male or female
    A female is eligible to participate if she is not pregnant, not lactating, and at least one of the following conditions applies: non-reproductive potential; 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.
    1. Soggetti in grado di fornire e firmare il consenso/assenso.
    2. Età di almeno 12 anni al momento della firma del consenso/assenso.
    3. Diagnosi di HES da almeno 6 mesi prima della randomizzazione (Visita 2). La diagnosi di HES si basa su segni o sintomi di coinvolgimento e/o disfunzione di sistemi di organi che possono essere direttamente correlati a:
    • eosinofilia ematica di >1.500 eosinofili/µL in almeno due occasioni e/o
    • eosinofilia tissutale documentata prima della Visita 2 senza una causa secondaria identificabile (ad es. ipersensibilità al farmaco, infezione parassitaria elmintica, infezione da HIV, neoplasia non ematologica).
    L’eosinofilia tissutale è definita come la presenza di uno o più dei seguenti elementi in anamnesi:
    • La percentuale di eosinofili supera il 20% di tutte le cellule nucleate nelle sezioni di midollo osseo;
    • Secondo il parere di un patologo, l’infiltrazione tissutale da parte degli eosinofili è estesa (massiva) se confrontata con l’estensione fisiologica normale e/o rispetto ad altre cellule infiammatorie;
    • Una specifica colorazione diretta contro una determinata proteina granulare eosinofila (ad es. proteina basica principale) rivela un’ampia deposizione extracellulare di proteine derivate da eosinofili indicativa di attivazione locale degli eosinofili.
    4. Anamnesi di due o più riacutizzazioni di HES nei 12 mesi precedenti lo screening (Visita 1). Le riacutizzazioni per i criteri di ingresso nello studio sono definite come un peggioramento documentato dei sintomi clinici correlato alla HES o una conta degli eosinofili che richiede un incremento progressivo del trattamento. Almeno una riacutizzazione negli ultimi 12 mesi non deve essere correlata a una riduzione della terapia nelle 4 settimane precedenti la riacutizzazione stessa.
    5. Conta degli eosinofili =1.000 cellule/µL presenti nel campione prelevato durante lo screening (nelle 4 settimane precedenti la randomizzazione).
    6. Assunzione di una dose stabile di terapia per la HES nelle 4 settimane precedenti la randomizzazione (Visita 2). La terapia comprende, tra le altre, l’assunzione di OCS, immunosoppressori e citotossici.
    7. Maschi e femmine. Le pazienti di sesso femminile sono idonee allo studio se non sono in gravidanza, non sono in allattamento e soddisfano almeno una delle condizioni seguenti: non potenzialmete fertili; potenzialmente fertili che accettano di seguire una delle opzioni previste nell’ Elenco Modificato dei Metodi Altamente Efficaci per Evitare la Gravidanza nelle Donne Potenzialmente Fertili.
    E.4Principal exclusion criteria
    1. Life-threatening HES or life-threatening HES co-morbidities: Imminently lifethreatening
    HES disease severity such that the likelihood of death is high unless the course of the disease is interrupted within 12 weeks prior to randomization.
    2. Other concurrent medical conditions that may affect the subject’s safety:
    Subjects who have known, pre-existing, clinically significant endocrine, autoimmune, metabolic, neurological, renal, gastrointestinal, hepatic, hematological, respiratory or any other system abnormalities that are not associated with HES and are uncontrolled with standard treatment.
    3. Eosinophilia of unknown clinical significance
    4. 12-lead ECG finding:
    QTc > 450 msec or QTc > 480 msec in subjects with bundle branch block
    An abnormal ECG finding from the 12-lead ECG conducted at Visit 1 if considered to be clinically significant and would impact the subject’s participation during the study based on the evaluation of the Investigator.
    NOTE: 12-lead ECG results at screening with the over-read by the centralized independent cardiologist must be received prior to assessing eligibility at Visit 2 by the Investigator.
    5. Subjects with documented history of any clinically significant cardiac damage prior to screening that, in the opinion of the investigator, would impact the subject’s participation during the study.
    6. Liver abnormality/disease:
    -ALT >2.5xULN or ALT>5xULN if documented HES with liver manifestations
    -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).
    NOTE: Stable chronic liver disease should generally be defined by the absence of ascites, encephalopathy, coagulopathy, hypoalbuminaemia, oesophageal or gastric varices, or persistent jaundice, or cirrhosis.
    NOTE: Chronic stable hepatitis B and C are acceptable if subject otherwise meets entry criteria.
    7. Clinical diagnosis of eosinophilic granulomatosis with polyangiitis (EGPA)
    8. Malignancy:
    -Subjects with a history of or current lymphoma
    -Subjects with current malignancy or previous history of cancer in remission for less than 12 months prior to randomization. Subjects that had localized carcinoma (i.e., basal or squamous cell) of the skin which was resected for cure will not be excluded
    9. FIP1L1-PDGFR alpha Status: Subjects who test positive for the FIP1L1-PDGFR alpha fusion tyrosine kinase gene translocation
    Blood sampling is required for all subjects at screening for this test unless the documented result is available
    10. Infection:
    -Subjects with chronic or ongoing active infections requiring systemic treatment, as well as subjects who have experienced clinically significant infections due to viruses, bacteria, and fungi within 4 weeks prior to randomization
    -Subjects with a pre-existing helminthes infestation within 6 months prior to randomization.
    11. Subjects with a known immunodeficiency, other than that explained by the use of OCS or other therapy taken for HES
    12. Other laboratory abnormalities: Evidence of clinically significant abnormality in the
    hematological, biochemical or urinalysis screen from the sample collected at screening, that could put the subject’s safety at risk by participating in the study, as judged by the investigator
    13. Subjects who have previously received mepolizumab in the 4 months prior to randomization
    14. Subjects receiving any of the following:
    -Intravenous or subcutaneous corticosteroids in the 4-week period prior to randomization
    -Any other monoclonal antibodies within 30 days or 5 half-lives, whichever is longer, of randomization
    15. Other investigational product/clinical study:
    -Subjects who have received treatment with an investigational agent within the past 30 days or 5 drug half-lives whichever is longer, prior to randomization. The term “investigational” applies to any drug not approved for sale in the country in which it is being used or investigational formulations of marketed products
    -Subjects who are currently participating in any other interventional clinical study
    16. Subjects who are not responsive to OCS based on clinical response or blood eosinophil counts
    17. Subjects with any history of hypersensitivity to any monoclonal antibody (including mepolizumab) or any steroid or steroid-containing product.
    1. HES o comorbilità associate alla HES potenzialmente fatali. Probabilità di decesso elevata, a meno che il decorso della malattia non venga interrotto nelle 12 settimane precedenti la randomizzazione (Visita 2).
    2. Altre condizioni mediche concomitanti che potrebbero incidere sulla sicurezza del soggetto.
    Soggetti con pregresse anomalie note e clinicamente significative, di natura endocrina, autoimmune, metabolica, neurologica, renale, gastrointestinale, epatica, ematologica, respiratoria o a carico di qualunque altro apparato non associate alla HES e non controllate con il trattamento standard.
    3. Eosinofilia di significatività clinica non nota.
    4. Risultato dell’ECG a 12 derivazioni:
    • QTc >450 msec o QTc >480 msec in soggetti con blocco di branca;
    • Un risultato anomalo dell’ ECG a 12 derivazioni alla Visita 1, se considerato clinicamente significativo e se lo sperimentatore ritiene che possa ostacolare la partecipazione del soggetto allo studio.
    NOTA: i risultati dell’ECG a 12 derivazioni allo screening (Visita 1), con lettura centralizzata di un cardiologo indipendente, devono pervenire prima della valutazione dell’eleggibilità da parte dello sperimentatore prevista alla Visita 2.
    5. Anamnesi documentata di un qualunque danno cardiaco clinicamente significativo prima dello screening (Visita 1) che, secondo il parere dello sperimentatore, potrebbe ostacolare la partecipazione del soggetto allo studio.
    6. Anomalia/malattia epatica:
    • ALT >2,5 x ULN o ALT >5 x ULN, in caso di HES documentata con manifestazioni epatiche;
    • Bilirubina >1,5 x ULN (un valore di bilirubina isolata >1,5 x ULN è accettabile se la bilirubina è frazionata e la bilirubina diretta risulta <35%);
    • Malattie del fegato e delle vie biliari in corso (a eccezione della sindrome di Gilbert o calcoli biliari asintomatici o altra epatopatia cronica stabile in base alla valutazione dello sperimentatore).
    NOTA: l’epatopatia cronica stabile deve generalmente essere definita da assenza di ascite, encefalopatia, coagulopatia, ipoalbuminemia, varici esofagee o gastriche, ittero persistente o cirrosi.
    NOTA: l’epatite B e C cronica e stabile (ad es. presenza dell’antigene di superficie dell’epatite B (HBsAg) o risultato positivo al test per la ricerca degli anticorpi diretti contro il virus dell’epatite C al momento dello screening o entro i 3 mesi precedenti la prima dose del farmaco sperimentale) è accettabile se il soggetto soddisfa tutti gli altri criteri di inclusione.
    7. Diagnosi clinica di granulomatosi eosinofila con poliangite (EGPA).
    8. Neoplasia maligna:
    • Anamnesi positiva per linfoma o malattia in corso;
    • Neoplasia maligna o pregressa anamnesi di cancro in fase di remissione da meno di 12 mesi rispetto alla randomizzazione (Visita 2). Non saranno esclusi i soggetti con precedente carcinoma localizzato (ossia baso- o squamocellulare) della cute sottoposti a resezione terapeutica.
    9. Stato di FIP1L1-PDGFR¿: soggetti che risultano positivi alla traslocazione del gene tirosin-chinasico di fusione FIP1L1-PDGFR¿. Per questo test è necessario prelevare un campione di sangue da tutti i soggetti al momento dello screening (Visita 1), a meno che non sia disponibile il risultato documentato.
    10. Infezione:
    • Infezioni attive in corso o croniche che richiedono un trattamento sistemico, così come soggetti che hanno avuto infezioni clinicamente significative dovute a virus, batteri e funghi nelle 4 settimane precedenti la randomizzazione (Visita 2);
    • Infestazione elmintica preesistente nei 6 mesi precedenti la randomizzazione.
    11. Immunodeficienza nota (ad es. HIV), diversa da quella spiegata dall’uso di OCS o dall’assunzione di un’altra terapia per HES.
    12. Altre anomalie agli esami di laboratorio: evidenza di anomalia clinicamente significativa ematologica, biochimica o delle urine rilevata dal campione prelevato al momento dello screening (Visita 1), per cui, secondo il parere dello sperimentatore, la partecipazione allo studio potrebbe mettere a rischio la sicurezza del soggetto.
    13. Assunzione di mepolizumab nei 4 mesi precedenti la randomizzazione (Visita 2).
    14. Assunzione di uno dei seguenti farmaci:
    • Corticosteroidi per via endovenosa o sottocutanea nelle 4 settimane precedenti la randomizzazione (Visita 2).
    • Qualunque altro anticorpo monoclonale nei 30 giorni o nelle 5 emivite (in base al periodo più lungo) precedenti la randomizzazione.
    15. Altro prodotto sperimentale/studio clinico.
    • Assunzione di un farmaco sperimentale (biologico o non biologico) nei 30 giorni o nelle 5 emivite del farmaco (in base al periodo più lungo) precedenti la randomizzazione.
    • Partecipazione ad uno studio clinico interventistico.
    16. Soggetti che non rispondono al trattamento con OCS sulla base della risposta clinica o della conta degli eosinofili.
    17. Anamnesi di ipersensibilità a un qualunque anticorpo monoclonale (compreso mepolizumab) o a qualunque prodotto steroideo o contenente steroidi.
    E.5 End points
    E.5.1Primary end point(s)
    Proportion of subjects who experience an
    HES flare during the 32-week study treatment period.
    Percentuale di soggetti che manifestano una riacutizzazione di HES nelle 32 settimane di
    trattamento previste dallo studio.
    E.5.1.1Timepoint(s) of evaluation of this end point
    During 32 weeks starting randomization
    32 settimane dalla randomizzazione
    E.5.2Secondary end point(s)
    (1) Time to first HES flare;
    (2) Proportion of subjects who experience an HES flare during Week 20 through Week 32;
    (3) Rate of HES flares;
    (4) Change from baseline in fatigue severity based on Brief Fatigue Inventory (BFI) item 3 (worst level of fatigue during past 24 hours) at Week 32
    (1) Tempo alla prima riacutizzazione di HES;
    (2) Percentuale di soggetti che manifestano una riacutizzazione di HES dalla settimana 20 alla settimana 32;
    (3) Tasso di riacutizzazioni di HES;
    (4) Variazione rispetto al basale della gravit¿ dell¿affaticamento sulla base del punto 3 del Brief Fatigue Inventory (BFI) (peggior livello di affaticamento nelle ultime 24 ore) alla settimana 32.
    E.5.2.1Timepoint(s) of evaluation of this end point
    (1) & (3) During 32 weeks starting randomization;
    (2) During 20-32 weeks after randomization;
    (4) At 32 weeks after randomization
    (1) e (3) nelle 32 settimane di trattamento
    (2) dalla settimana 20 alla settimana 32 di trattamento
    (4) alla settimana 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 No
    E.6.4Safety Yes
    E.6.5Efficacy Yes
    E.6.6Pharmacokinetic Yes
    E.6.7Pharmacodynamic Yes
    E.6.8Bioequivalence No
    E.6.9Dose response No
    E.6.10Pharmacogenetic No
    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) 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 trial2
    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 concerned7
    E.8.5The trial involves multiple Member States Yes
    E.8.5.1Number of sites anticipated in the EEA32
    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 Information not present in EudraCT
    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
    Brazil
    Mexico
    Russian Federation
    United States
    France
    Germany
    Italy
    Poland
    Romania
    Spain
    Sweden
    United Kingdom
    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
    LVLS
    LVLS
    E.8.9 Initial estimate of the duration of the trial
    E.8.9.1In the Member State concerned years2
    E.8.9.1In the Member State concerned months0
    E.8.9.1In the Member State concerned days0
    E.8.9.2In all countries concerned by the trial years2
    E.8.9.2In all countries concerned by the trial months0
    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 Yes
    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: 8
    F.1.2Adults (18-64 years) Yes
    F.1.2.1Number of subjects for this age range: 104
    F.1.3Elderly (>=65 years) Yes
    F.1.3.1Number of subjects for this age range: 8
    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 state12
    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)
    Subjects who complete the protocol-specified assessments for the 32-week period from randomization (Section 4.3) will be evaluated, and if eligible, may be enrolled into an extension study to receive open-label mepolizumab.
    The investigator is responsible for ensuring that consideration has been given to the poststudy care of the subject¿s medical condition, whether or not GSK is providing specific post-study treatment.
    I soggetti che completano le attivit¿ previste dal protocollo per un periodo di 32 settimane dalla randomizzazione (paragrafo 4.3 del protocollo) saranno valutati e, se idonei, potranno essere arruolati in uno studio di estensione per ricevere Mepolizumab in aperto. Lo sperimentatore ¿ responsabile di valutare le necessit¿ di cura del paziente dopo lo studio, anche se GSK non fornir¿ un trattamento specifico.
    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 Decision2016-12-19
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2016-12-21
    P. End of Trial
    P.End of Trial StatusCompleted
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    The status and protocol content of GB trials is no longer updated since 1 January 2021. For the UK, as of 31 January 2021, EU Law applies only to the territory of Northern Ireland (NI) to the extent foreseen in the Protocol on Ireland/NI. Legal notice
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