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    Summary
    EudraCT Number:2018-003370-27
    Sponsor's Protocol Code Number:GWND18064
    National Competent Authority:Italy - Italian Medicines Agency
    Clinical Trial Type:EEA CTA
    Trial Status:Prematurely Ended
    Date on which this record was first entered in the EudraCT database:2021-05-24
    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 ConcernedItaly - Italian Medicines Agency
    A.2EudraCT number2018-003370-27
    A.3Full title of the trial
    A randomized, double-blind, placebo-controlled trial to investigate the efficacy and safety of cannabidiol oral solution (GWP42003-P; CBD-OS) in patients with Rett syndrome.
    Studio randomizzato, in doppio cieco, controllato con placebo volto a valutare l’efficacia e la sicurezza di una soluzione orale di cannabidiolo (GWP42003-P; CBD-OS) in pazienti con sindrome di Rett.
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    A randomized, double-blind, placebo-controlled trial to investigate the efficacy and safety of cannabidiol oral solution (GWP42003-P; CBD-OS) in patients with Rett syndrome.
    Studio randomizzato, in doppio cieco, controllato con placebo volto a valutare l’efficacia e la sicurezza di una soluzione orale di cannabidiolo (GWP42003-P; CBD-OS) in pazienti con sindrome di Rett.
    A.3.2Name or abbreviated title of the trial where available
    Not applicable
    Non applicabile
    A.4.1Sponsor's protocol code numberGWND18064
    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 SponsorGW RESEARCH LTD.
    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 supportGW Research Ltd
    B.4.2CountryUnited Kingdom
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationGW Research Ltd
    B.5.2Functional name of contact pointGW Research Ltd Switchboard
    B.5.3 Address:
    B.5.3.1Street AddressSovereign House, Vision Park, Chivers Way
    B.5.3.2Town/ cityHiston, Cambridge
    B.5.3.3Post codeCB24 9BZ
    B.5.3.4CountryUnited Kingdom
    B.5.4Telephone number00441223266800
    B.5.5Fax number00441223235667
    B.5.6E-mailinfo@gwpharm.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 CBD - Solution Orale, conosciuto come Epidiolex, questo è il nome approvato negli Stati Uniti
    D.2.1.1.2Name of the Marketing Authorisation holderGW Research Limited
    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 nameCannabidiolo (CBD)
    D.3.2Product code [GWP42003-P]
    D.3.4Pharmaceutical form Oral solution
    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 INNCannabidiolo
    D.3.9.1CAS number 13956-29-1
    D.3.9.2Current sponsor codeGWP42003-P
    D.3.9.3Other descriptive nameCannabidiol
    D.3.9.4EV Substance CodeSUB26600
    D.3.10 Strength
    D.3.10.1Concentration unit mg/ml milligram(s)/millilitre
    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 Yes
    D.3.11.9Recombinant medicinal product No
    D.3.11.10Medicinal product containing genetically modified organisms No
    D.3.11.11Herbal medicinal product Yes
    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 placeboOral solution
    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
    Rett syndrome (RTT) [typical or atypical]
    Sindrome di Rett (RTT) [tipica o atipica]
    E.1.1.1Medical condition in easily understood language
    Rett syndrome (RTT) [typical or atypical]
    Sindrome di Rett (RTT) [tipica o atipica]
    E.1.1.2Therapeutic area Diseases [C] - Nervous System Diseases [C10]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 20.0
    E.1.2Level PT
    E.1.2Classification code 10077709
    E.1.2Term Rett syndrome
    E.1.2System Organ Class 10010331 - Congenital, familial and genetic 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 efficacy of GWP42003-P, compared with placebo, at the end of up to 24 weeks’ treatment in reducing symptom severity in patients with RTT using the Rett Syndrome Behaviour Questionnaire (RSBQ) and the Clinical Global Impression of Improvement (CGI-I).
    Valutare al termine di un periodo di trattamento di massimo 24 settimane l’efficacia di GWP42003-P rispetto al placebo nel ridurre la gravità dei sintomi in pazienti affette da RTT mediante il Questionario sul comportamento associato alla sindrome di Rett (Rett Syndrome Behaviour Questionnaire, RSBQ) e la Scala dell’impressione clinica globale - miglioramento (Clinical Global Impressions - Improvement, CGI-I).
    E.2.2Secondary objectives of the trial
    • To evaluate the effect of GWP42003-P, comp. with placebo, in other measures of disease severity.
    o RSBQ subscales.
    o (CGI-S).
    o (MBA-9).
    o Children’s Sleep Habits Questionnaire (CSHQ).
    • To evaluate the safety of GWP42003-P, compared with placebo, in patients with RTT.
    Exploratory objectives:
    • To evaluate the effect of GWP42003-P on caregiver and patient quality of life (QoL).
    o 36-item Short Form [SF-36] and Child Health Questionnaire Parent Form 50 [CHQ-PF50], respectively.
    • To evaluate the effect of GWP42003-P on health utilization.
    o Client Service Receipt Inventory [CSRI] - Health Service Use.
    • Caregiver assessment of Rett symptoms (symptom diary).
    • To determine the plasma concentrations of cannabidiol (CBD) and its major metabolites with the aim of evaluating exposure versus efficacy and safety and collecting data for population pharmacokinetic (PK) analysis.
    • To evaluate the effect of GWP42003-P on exploratory biomarkers.
    •Valutare l’effetto di GWP42003-P rispetto al placebo in altre misure della gravità della malattia
    oSottoscale dell’RSBQ
    oCGI-S
    oMBA-9
    oCSHQ
    •Valutare sicurezza di GWP42003-P rispetto a placebo in pz affette da RTT
    Ob. esplorativi:
    •Valutare effetto di GWP42003-P su qualità della vita del caregiver e della pz mediante, rispettivamente:
    oVersione breve del questionario a 36 voci (SF-36) e Questionario salute del bambino, modulo per genitori a 50 voci (CHQ-PF50)
    •Valutare effetto di GWP42003-P sull’utilizzo delle risorse sanitarie mediante:
    oInventario dei servizi sanitari ricevuti (CSRI)
    •Valutazione da parte del caregiver dei sintomi associati alla sindrome di Rett (diario dei sintomi)
    •Determinare le concentrazioni plasmatiche di CBD e dei suoi metaboliti principali con l’obiettivo di valutare l’esposizione rispetto all’efficacia e alla sicurezza e raccogliere dati per l’analisi sulla popolazione di farmacocinetica (PK)
    •Valutare effetto di GWP42003-P sui biomarcatori esplorativi
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    For inclusion in the trial, patients must fulfil ALL of the following
    criteria:
    • Patient is female aged 2–18 years (inclusive).
    • Patient must weigh at least 10 kg.
    • Patient (if possessing adequate understanding, in the investigator’s opinion) and/or her parent(s)/legal representative is willing and able to give informed consent/assent for participation in the trial.
    • Patient and her caregiver are willing and able (in the investigator’s opinion) to comply with all trial requirements (including the completion of all caregiver assessments by the same caregiver throughout the trial).
    • Patient must have a clinical diagnosis of RTT (typical or atypical), defined according to RettSearch Consortium criteria*.
    • Patient must have a confirmed genetic mutation of theMECP2 gene†.
    • Patient must be post-regression (= 6 months since last loss of hand use or verbal language or gross motor regression).
    • All medications or interventions (including antiepileptic drugs [AEDs] and non-pharmacological interventions - dietary supplements, probiotics, physical therapy, speech
    therapy, etc.) for RTT-related symptoms must have been stable for 4 weeks prior to screening and the patient/caregiver should be willing to maintain a stable regimen throughout the trial.
    • Patient must have the ability to swallow the IMP provided as a liquid solution, or the ability for IMP to be delivered via gastrostomy (G) or nasogastric (NG) feeding tube (only G-or NG-tubes made from polyurethane or silicon are allowed).
    • Patient and/or parent(s)/legal representative is willing to allow the responsible authorities to be notified of participation in the trial, if mandated by local law.
    • Patient and/or parent(s)/legal representative is willing to allow the patient’s primary care practitioner (if she has one) and consultant (if she has one) to be notified of participation in the trial, if the primary care practitioner/consultant is different to the investigator.
    Ai fini dell’inclusione nello studio, le pazienti devono soddisfare TUTTI i seguenti criteri:
    •Soggetto di sesso femminile di età compresa tra 2 e 18 anni (inclusi).
    •Peso pari ad almeno 10 kg.
    •Paziente (se in possesso di adeguate capacità di comprensione, secondo il parere dello sperimentatore) e/o genitori/rappresentante legale disposti e in grado di fornire il proprio consenso/assenso informato per la partecipazione allo studio.
    •Paziente e caregiver disposti e in grado (secondo il parere dello sperimentatore) di rispettare tutti i requisiti dello studio (compresa l’esecuzione di tutte le valutazioni da parte del caregiver nel corso dell’intero studio).
    •Diagnosi clinica di RTT (tipica o atipica), definita secondo i criteri del RettSearch Consortium .
    •Mutazione genetica confermata del gene MECP2 .
    •Pazienti in post-regressione (=6 mesi dall’ultima perdita dell’uso delle mani o del linguaggio verbale o regressione motoria significativa).
    •Punteggio della gravità della malattia pari a 10-36 secondo la CSS.
    •Tutti i farmaci o gli interventi (ivi inclusi i farmaci antiepilettici [Antiepileptic Drug, AED] e gli interventi non farmacologici, quali ad esempio integratori alimentari, probiotici, fisioterapia, logopedia, ecc.) per i sintomi correlati alla RTT devono essere stabili da 4 settimane prima dello screening e la paziente/il caregiver devono essere disposti a mantenere un regime stabile per tutta la durata dello studio.
    •Capacità di ingoiare l’IMP fornito come soluzione liquida o possibilità di assumerlo tramite sonda nasogastrica (NG) o per gastrostomia (G) (possono essere usate solo sonde G o NG in poliuretano o silicone).
    •Volontà da parte della paziente e/o dei genitori/del rappresentante legale di acconsentire ad informare le autorità responsabili in merito alla partecipazione allo studio, se così disposto dalla legislazione locale.
    •Volontà da parte della paziente e/o dei genitori/del rappresentante legale di acconsentire ad informare il medico di medicina generale (se del caso) e il consulente (se del caso) in merito alla partecipazione allo studio, se il medico di medicina generale/consulente è diverso dallo sperimentatore.
    E.4Principal exclusion criteria
    Exclusion Criteria
    The patient may not enter the trial if ANY of the following apply:
    • Patient meets exclusion criteria for RTT diagnosis (traumatic brain injury, neurometabolic disease, or severe infection that causes neurological problems; grossly abnormal psychomotor development in the first 6 months of life).
    • Patient has clinically significant abnormal laboratory values, in the investigator’s opinion.
    • Patient experiences more than weekly seizures (based on history over the last 2 months prior to screening), i.e., has CSS ‘epilepsy/seizure’ score of 4 or 5.
    • Patient is taking more than 2 concurrent AEDs.
    • Any history of suicidal behavior or any suicidal ideation in the last month or at screening.
    • Patient has clinically relevant abnormalities in the ECG measured at screening or randomization (including QT interval, corrected by Bazett's correction formula [QTcB] > 450 msec, average of 3 measurements).
    • Patient has any concurrent cardiovascular conditions which will, in the investigator’s opinion, interfere with the ability to assess her ECGs or put the patient at risk because of participation in the trial.
    • Patient’s first or second degree relative has a history of significant ECG abnormalities, in the opinion of the investigator (e.g. premature cardiac arrest, sudden death).
    • Patient has any known or suspected hypersensitivity to cannabinoids or any of the excipients of the IMP (active and placebo), such as sesame oil.
    • Patient has moderately impaired hepatic function at screening, defined as serum ALT or AST > 3 × ULN or total bilirubin [TBL] > 2 × ULN. This criterion can only be confirmed once the Visit 1 laboratory results are available.
    • Patient is of childbearing potential, unless willing to ensure that they or their partner use a highly effective method of birth control (e.g., combined [estrogen and progestogen containing] hormonal contraception associated with inhibition of ovulation [oral, intravaginal or transdermal], progestogen-only hormonal contraception associated with inhibition of ovulation [oral, injectable or implantable], intrauterine device, intrauterine hormone-releasing system, bilateral tubal occlusion, vasectomized partner, sexual abstinence) during the trial and for 3 months thereafter.
    • Patient is pregnant (positive pregnancy test) or lactating.
    • Patient has received an IMP within the 3 months prior to the screening visit.
    • Patient has been taking felbamate for less than 1 year prior to screening.
    • Patient is currently using or has used recreational or medicinal cannabis, cannabinoid-based medications (including Sativex®) or cannabidiol oral solutions (including CBD-OS [GWP42003-P]) within the 3 months prior to screening and is unwilling to abstain for the duration of the trial.
    • Patient has a positive ¿9-tetrahydrocannabinol (THC) test at screening.
    • Patient has any other systemic dysfunction (e.g., gastrointestinal, renal, respiratory) or significant disease or disorder which, in the opinion of the investigator, may either put the patient at risk because of participation in the trial, may influence the result of the trial, or the patient’s ability to participate in the trial.
    • Any abnormalities identified following a physical examination of the patient that, in the opinion of the investigator, would jeopardize the safety of the patient if she took part in the trial.
    • Patient has been previously randomized into this trial.
    • There are plans for the patient to travel outside their country of residence during the trial.
    Criteri di esclusione
    È preclusa la partecipazione allo studio alle pazienti che soddisfano UNO QUALSIASI dei seguenti criteri:
    • Soddisfazione dei criteri di esclusione per la diagnosi di RTT (lesione cerebrale traumatica, malattia neurometabolica o infezione grave che causa problemi neurologici; sviluppo psicomotorio significativamente anomalo nei primi 6 mesi di vita).
    • Valori di laboratorio anomali clinicamente significativi, secondo il parere dello sperimentatore.
    • Convulsioni a frequenza più che settimanale (in base all’anamnesi degli ultimi 2 mesi prima dello screening), ovvero punteggio alla voce “epilessia/convulsioni” della CSS pari a 4 o 5.
    • Assunzione concomitante di più di 2 AED.
    • Anamnesi di idee o comportamenti suicidi nell’ultimo mese o allo screening.
    • Anomalie clinicamente rilevanti all’ECG eseguito allo screening o alla randomizzazione (compreso un intervallo QT corretto mediante la formula di Bazett [QTcB] >450 msec, con una media di 3 misurazioni).
    Condizioni cardiovascolari concomitanti che, secondo il parere dello sperimentatore, interferirebbero con la capacità di valutare gli ECG o metterebbero la paziente a rischio in caso di partecipazione allo studio.
    • Parente di primo o secondo grado con anamnesi di anomalie significative relative all’ECG, secondo il parere dello sperimentatore (ad es. arresto cardiaco precoce, morte improvvisa).
    • Ipersensibilità nota o sospetta ai cannabinoidi o a uno qualsiasi degli eccipienti dell’IMP (farmaco attivo e placebo), come ad esempio l’olio di sesamo.
    • Funzionalità epatica moderatamente compromessa allo screening, definita come ALT o AST nel siero >3 × l’ULN o livelli di bilirubina totale (Total Bilirubin, TBL) >2 × l’ULN.
    Questo criterio può essere confermato solo una volta che saranno disponibili i risultati dei test di laboratorio alla Visita 1.
    • Paziente potenzialmente fertile, a meno che non sia disposta a garantire che lei o il suo partner userà un metodo contraccettivo altamente efficace (ad es. contraccettivi ormonali combinati [con estrogeni e progesterone], associati all’inibizione dell’ovulazione [orali, intravaginali o transdermici], contraccettivi a base di solo progestinico associati all’inibizione dell’ovulazione [orali, iniettabili o impiantabili], dispositivo intrauterino/sistema intrauterino a rilascio ormonale, occlusione tubarica bilaterale, partner sottoposto a vasectomia, astinenza sessuale) durante lo studio e per i 3 mesi successivi.
    • Paziente in gravidanza (test di gravidanza positivo) o in allattamento.
    • Trattamento con un IMP nei 3 mesi precedenti alla visita di screening.
    • Assunzione di felbamato da meno di 1 anno prima dello screening.
    • Uso attuale o passato di cannabis a scopi terapeutici o ricreativi, farmaci a base di cannabinoidi (tra cui Sativex®) o soluzione orale di cannabidiolo (tra cui CBD-OS [GWP42003-P]) nei 3 mesi precedenti allo screening e indisponibilità ad astenersi per la durata dello studio.
    • Test del ¿9-tetraidrocannabinolo (THC) positivo allo screening.
    Altra disfunzione sistemica (ad es., gastrointestinale, renale, respiratoria) o malattia o disturbo significativo che, secondo il parere dello sperimentatore, potrebbe mettere la paziente a rischio in caso di partecipazione allo studio o potrebbe influenzare il risultato della sperimentazione o la capacità della paziente di parteciparvi.
    • Eventuali anomalie identificate dopo un esame obiettivo della paziente che, secondo il parere dello sperimentatore, ne metterebbero a rischio la sicurezza in caso di partecipazione allo studio.
    • Precedente randomizzazione nel presente studio.
    • Previsioni di viaggiare al di fuori del Paese di residenza durante lo studio.
    E.5 End points
    E.5.1Primary end point(s)
    Efficacy:
    The efficacy profile of GWP42003-P compared with placebo will be assessed at each dose level, using:
    - RSBQ (total score)
    - CGI I
    Efficacia:
    I livelli di dosaggio di GWP42003-P pari a 5 mg/kg/die e 15 mg/kg/die verranno valutati rispetto al placebo mediante:
    - RSBQ (punteggio totale)
    - CGI-I
    E.5.1.1Timepoint(s) of evaluation of this end point
    Visit 2, Visit 5, Visit 6, Visit 7, Visit 8, Visit 9
    Visita 2, Visita 5, Visita 6, Visita 7, Visita 8, Visita 9
    E.5.2Secondary end point(s)
    Secondary endpoints:
    • RSBQ subscales.
    • CGI-S.
    • MBA-9.
    • CSHQ.
    Exploratory endpoints:
    • Caregiver QoL questionnaire (SF-36).
    • Patient QoL questionnaire (CHQ-PF50)
    • Health utilization questionnaire (CSRI - Health Service Use).
    • Caregiver assessment of Rett symptoms (symptom diary).
    • Plasma concentrations of CBD and its main metabolites.
    • Blood levels of exploratory biomarkers.
    Safety:
    The safety profile of GWP42003-P compared with placebo will be assessed by measuring:
    • AEs.
    • Clinical laboratory parameters.
    • Vital signs.
    • Physical examination procedures.
    • 12-lead electrocardiogram (ECG).
    • Effects on menstruation cycles.
    • Suicidality.
    • Change in growth and development by measurement of height, weight, serum insulin-like growth factor-1 (IGF-1) levels and Tanner Staging (for patients aged = 7 years, or earlier if clinically indicated by onset of menarche or other signs of precocious puberty).
    Endpoint secondari:
    •Sottoscale dell’RSBQ
    • CGI-S
    • MBA-9
    • CSHQ
    Endpoint esplorativi:
    • Questionario sulla QoL del caregiver (SF-36)
    • Questionario sulla QoL della paziente (CHQ-PF50)
    • Questionario sull’utilizzo delle risorse sanitarie (CSRI)
    • Valutazione da parte del caregiver dei sintomi associati alla sindrome di Rett (diario dei sintomi)
    • Concentrazioni plasmatiche di CBD e dei suoi metaboliti principali
    • Livelli ematici dei biomarcatori esplorativi
    Sicurezza:
    Il profilo di sicurezza di GWP42003-P rispetto al placebo verrà valutato mediante la misurazione di:
    • AE
    • Parametri clinici di laboratorio
    • Segni vitali
    • Procedure previste dall’esame obiettivo
    • Elettrocardiogramma (ECG) a 12 derivazioni
    • Effetti sul ciclo mestruale
    • Suicidalità
    • Variazione della crescita e dello sviluppo mediante la misurazione di altezza, peso, livelli del fattore di crescita insulino-simile 1 (Insulin-Like Growth Factor-1, IGF-1) nel siero e stadiazione di Tanner (per le pazienti di età =7 anni o di età inferiore se clinicamente indicato in base alla comparsa del menarca o di altri segni di pubertà precoce)
    E.5.2.1Timepoint(s) of evaluation of this end point
    Please refer to Protocol schedule of events table for detailed information
    Si prega di fare riferimento allo schema delle procedure incluso nel protocollo per informazioni dettagliate
    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 No
    E.6.8Bioequivalence No
    E.6.9Dose response Yes
    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 trial4
    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 concerned3
    E.8.5The trial involves multiple Member States Yes
    E.8.5.1Number of sites anticipated in the EEA10
    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
    Canada
    United States
    Germany
    Italy
    Spain
    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 months5
    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 months5
    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) Yes
    F.1.1.5.1Number of subjects for this age range: 135
    F.1.1.6Adolescents (12-17 years) Yes
    F.1.1.6.1Number of subjects for this age range: 101
    F.1.2Adults (18-64 years) Yes
    F.1.2.1Number of subjects for this age range: 12
    F.1.3Elderly (>=65 years) No
    F.2 Gender
    F.2.1Female Yes
    F.2.2Male No
    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 Yes
    F.3.3.6.1Details of subjects incapable of giving consent
    Patients with Rett Syndrome
    Pazienti con Sindrome di Rett
    F.3.3.7Others No
    F.4 Planned number of subjects to be included
    F.4.1In the member state35
    F.4.2 For a multinational trial
    F.4.2.1In the EEA 85
    F.4.2.2In the whole clinical trial 252
    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 may be invited to continue to receive GWP42003-P in an open-label extension (OLE) study under a separate protocol
    I pazienti potranno essere invitati a proseguire il trattamento con GWP42003-P in uno studio di estensione in aperto (OLE) sotto un protocollo separato
    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 Decision2019-06-19
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2019-09-18
    P. End of Trial
    P.End of Trial StatusPrematurely Ended
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