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    Summary
    EudraCT Number:2020-005969-13
    Sponsor's Protocol Code Number:AXA1665-101
    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:2021-06-09
    Trial 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 number2020-005969-13
    A.3Full title of the trial
    A Phase 2, Multicenter, Randomized, Double-Blind, Placebo-Controlled Trial to Evaluate the Efficacy and Safety of AXA1665 in Subjects With Liver Cirrhosis and Prior Overt Hepatic Encephalopathy (EMMPOWER)
    Ensayo de fase 2, multicéntrico, aleatorizado, doble ciego y controlado con placebo para evaluar la eficacia y la seguridad de AXA1665 en sujetos con cirrosis hepática y encefalopatía hepática manifiesta previa (EMMPOWER)
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    Efficacy and Safety of AXA1665 in Cirrhotic Subjects With Prior Overt Hepatic Encephalopathy
    Eficacia y seguridad de AXA1665 en sujetos cirróticos con encefalopatía hepática manifiesta previa
    A.4.1Sponsor's protocol code numberAXA1665-101
    A.5.2US NCT (ClinicalTrials.gov registry) numberNCT04816916
    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 SponsorAxcella Health, Inc.
    B.1.3.4CountryUnited States
    B.3.1 and B.3.2Status of the sponsorCommercial
    B.4 Source(s) of Monetary or Material Support for the clinical trial:
    B.4.1Name of organisation providing supportAxcella Health Inc.
    B.4.2CountryUnited States
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationAxcella Health, Inc.
    B.5.2Functional name of contact pointFranklin Vairinhos
    B.5.3 Address:
    B.5.3.1Street Address840 Memorial Drive, Third Floor
    B.5.3.2Town/ cityCambridge
    B.5.3.3Post codeMA 02139
    B.5.3.4CountryUnited States
    B.5.4Telephone number1-484-431-9562
    B.5.6E-mailfvairinhos@axcellahealth.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.3.2Product code AXA1665
    D.3.4Pharmaceutical form Powder for oral suspension
    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 INNL-LEUCINE
    D.3.9.1CAS number 61-90-5
    D.3.9.4EV Substance CodeSUB21983
    D.3.10 Strength
    D.3.10.1Concentration unit g gram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number1.6296
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNL-ISOLEUCINE
    D.3.9.1CAS number 73-32-5
    D.3.9.4EV Substance CodeSUB21979
    D.3.10 Strength
    D.3.10.1Concentration unit g gram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number0.8147
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNL-VALINE
    D.3.9.1CAS number 72-18-4
    D.3.9.4EV Substance CodeSUB21995
    D.3.10 Strength
    D.3.10.1Concentration unit g gram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number1.6296
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNL-LYSINE HCL
    D.3.9.1CAS number 657-27-2
    D.3.9.4EV Substance CodeSUB183946
    D.3.10 Strength
    D.3.10.1Concentration unit g gram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number0.7631
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNL-HISTIDINE
    D.3.9.1CAS number 71-00-1
    D.3.9.4EV Substance CodeSUB20034
    D.3.10 Strength
    D.3.10.1Concentration unit g gram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number0.6111
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNL-THREONINE
    D.3.9.1CAS number 72-19-5
    D.3.9.4EV Substance CodeSUB21991
    D.3.10 Strength
    D.3.10.1Concentration unit g gram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number0.6111
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNL-ORNITHINE L-ASPARTATE
    D.3.9.1CAS number 3230-94-2
    D.3.9.4EV Substance CodeSUB14714MIG
    D.3.10 Strength
    D.3.10.1Concentration unit g gram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number3.0556
    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 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 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 placeboPowder for oral suspension
    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
    Overt Hepatic Encephalopathy in Subjects with Liver Cirrhosis
    Encefalopatía hepática manifiesta en sujetos con cirrosis hepática
    E.1.1.1Medical condition in easily understood language
    Cirrhotic Subjects With Prior Overt Hepatic Encephalopathy
    Sujetos cirróticos con encefalopatía hepática manifiesta previa
    E.1.1.2Therapeutic area Body processes [G] - Metabolic Phenomena [G03]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 21.1
    E.1.2Level PT
    E.1.2Classification code 10019660
    E.1.2Term Hepatic encephalopathy
    E.1.2System Organ Class 10029205 - Nervous system disorders
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 20.0
    E.1.2Level LLT
    E.1.2Classification code 10024667
    E.1.2Term Liver cirrhosis
    E.1.2System Organ Class 100000004871
    E.1.3Condition being studied is a rare disease No
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    Demonstrate the efficacy of AXA1665 compared to placebo on neurocognitive function as assessed by the PHES over 24 weeks in cirrhotic subjects with a prior history of OHE.
    Demostrar la eficacia de AXA1665 en comparación con placebo en la función neurocognitiva evaluada mediante la puntuación psicométrica de encefalopatía hepática (PHES) durante 24 semanas en sujetos cirróticos con antecedentes de encefalopatía hepática manifiesta (EHM).
    E.2.2Secondary objectives of the trial
    • Safety and tolerability of AXA1665;
    • Changes in other cognitive function measures (Stroop Off+On time via the Stroop
    EncephalApp);
    • Impact on OHE recurrence as assessed by the total number of OHE breakthrough events,
    time to first OHE breakthrough event, and hospitalizations for OHE-related events;
    • Impact on all-cause hospitalizations;
    • Impact on physical function as assessed by the LFI and HR-QoL measures (Patient-
    Reported Outcomes Measurement Information System [PROMIS] Physical Function
    Short Form 8b); and
    • Changes in other general HR-QoL measures (PROMIS-29), caregiver burden (Zarit
    Burden Interview), and falls.
    • Seguridad y tolerabilidad de AXA1665.
    • Variaciones de otras medidas de la función cognitiva (tiempo Stroop Off+On mediante Stroop EncephalApp).
    • Repercusión en la recidiva de la EHM, evaluada por el número total acontecimientos intercurrentes de EHM, el tiempo hasta el primer acontecimiento intercurrente de EHM y las hospitalizaciones por acontecimientos relacionados con la EHM.
    • Repercusión en las hospitalizaciones por cualquier causa.
    • Repercusión en la función física evaluada mediante el Índice de fragilidad hepática (LFI, por sus siglas en inglés) y las mediciones de la calidad de vida relacionada con la salud (CdVRS) (Cuestionario abreviado de función física 8b del Sistema de información de mediciones de resultados comunicados por los pacientes [PROMIS]).
    • Variaciones de otras mediciones generales de la CdVRS (PROMIS-29), la carga para el cuidador (Entrevista de carga del cuidador de Zarit) y las caídas.
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    Subjects are eligible to be included in the study only if all of the following criteria are met:
    1. Male or female adults, age ≥18 years;
    2. History of cirrhosis and at least 1 documented prior episode of OHE within 24 weeks prior to
    Screening;
    Note: OHE documentation should be available with sufficient information for the Investigator to independently confirm a clinical diagnosis of OHE (eg, medical records or discharge summary) and treatments administered for that OHE episode (eg, lactulose/lactitol administered with or without rifaximin).
    3. A PHES ≤-4 during Screening;
    4. Absence of OHE at both Screening and prior to randomization, as assessed by a standardized questionnaire administered by the Investigator to assess alertness, orientation, and OHE medication use;
    Note: If OHE is present at or after Screening and prior to randomization, the subject will be withdrawn; however, they may be rescreened after their active OHE episode has resolved and may be allowed to participate in the study provided they satisfy the eligibility criteria.
    5. MELD-Na score of <20 at Screening;
    6. Negative radiographic examination for hepatocellular carcinoma (HCC) within 24 weeks prior to Screening, whether conducted by ultrasound, computed axial tomography, or magnetic resonance imaging; or a negative ultrasound for lesions suspicious for HCC during Screening;
    7. Able and willing or has a legally authorized representative (LAR) who is able and willing to give written informed consent. When the LAR provides informed consent, the subject must also provide written assent if able;
    8. Support of a primary caregiver for the entire duration of the study and the identified primary caregiver is able and willing to give written informed consent. The identified primary caregiver must be willing to assist with assessing the subject’s level of alertness, orientation, filling out diaries, and attending scheduled and unscheduled study visits; to observe any changes in the subject’s health; and to remind the subject to take the study drug;
    9. Willing to comply with specified procedures as stated in the protocol;
    10. Agrees to abstain from alcohol consumption for the duration of the study, from Screening through the final study visit;
    11. Negative urine ethyl glucuronide at Screening;
    Note: If the subject’s urine ethyl glucuronide is positive during the course of the study, it would lead to the subject’s withdrawal from the study.
    12. Negative urine screen for drugs of abuse or legal substance abuse, including recreational marijuana, at Screening;
    13. If a subject is female, 1 of the following criteria must be met;
    • Surgically sterile;
    • Postmenopausal with ≥12 months of amenorrhea without an alternate medical cause;
    • Follicle-stimulating hormone level consistent with postmenopausal state if amenorrhoeic for <12 months or is <55 years of age; or
    • Female of childbearing potential must have a negative serum pregnancy test at Screening, must not be lactating, and must agree to abstain from sexual activity or agree to use a highly effective method of contraception (failure rate <1%) for the duration of the study and for at least 30 days after the last dose of study drug; and
    14. If the subject is male, the following criteria must be met:
    • Male subjects with a female partner of childbearing potential must agree to abstain from sexual activity or agree to use a highly effective contraceptive method (failure rate <1%) for the duration of the study and for at least 3 months after the last dose of study drug; and
    • Male subjects capable of fathering a child must agree to refrain from sperm donation for the duration of the study and for at least 3 months after the last dose of study drug.
    Los sujetos solo podrán incluirse en el estudio si cumplen todos los criterios siguientes:
    1. Adultos de ambos sexos, de 18 años.
    2. Antecedentes de cirrosis y al menos un episodio previo documentado de EHM en las 24 semanas previas a la selección.
    Nota: Debe disponerse de documentación de EHM con información suficiente para que el investigador confirme de forma independiente un diagnóstico clínico de EHM (p. ej., historia clínica o informe de alta) y los tratamientos administrados para ese episodio de EHM (p. ej., lactulosa/lactitol administrados con o sin rifaximina).
    3. Un PHES -4 durante la selección.
    4. Ausencia de EHM en la selección y antes de la aleatorización, evaluada mediante un cuestionario normalizado rellenado por el investigador para evaluar el estado de alerta, la orientación y el uso de medicación para la EHM.
    Nota: Si la EHM está presente en la selección o después de ella y antes de la aleatorización, se retirará al paciente; sin embargo, podrá repetirse el proceso de selección una vez resuelto el episodio de EHM activo y se le permitirá participar en el estudio siempre que cumpla los criterios de idoneidad.
    5. Puntuación MELD-Na <20 en la fase de selección.
    6. Exploración radiológica negativa por carcinoma hepatocelular (CHC) en las 24 semanas previas a la selección, ya sea mediante ecografía, tomografía axial computarizada o resonancia magnética, o ecografía negativa por lesiones sospechosas de CHC durante la selección.
    7. Capacidad y disposición o existencia de un representante legal que sea capaz y esté dispuesto a otorgar su consentimiento informado por escrito. Cuando el representante legal otorgue su consentimiento informado, el sujeto también deberá otorgar su asentimiento por escrito, si es posible.
    8. Apoyo de un cuidador principal durante todo el estudio, capaz de otorgar su consentimiento informado por escrito y dispuesto a hacerlo. El cuidador principal identificado debe estar dispuesto a ayudar a evaluar el nivel de alerta, orientación, cumplimentación de diarios y asistencia a las visitas del estudio programadas y no programadas del sujeto, a observar cualquier cambio en la salud del sujeto y a recordarle que tome el fármaco del estudio.
    9. Disposición a cumplir los procedimientos especificados en el protocolo.
    10. Se compromete a abstenerse del consumo de alcohol durante todo el estudio, desde la selección hasta la visita final del estudio.
    11. Resultado negativo en el análisis de detección de etilglucurónido en orina en la selección.
    Nota: Si el resultado de la prueba de detección de etilglucurónido en orina del sujeto es positivo durante el estudio, se le retirará de este.
    12. Resultado negativo en el análisis de orina para la detección de drogas o la adicción a sustancias legales, incluida la marihuana de consumo recreativo, en el momento de la selección.
    13. Si el sujeto es una mujer, deberá cumplir uno de los criterios siguientes:
    • esterilizada quirúrgicamente;
    • posmenopáusica con ≥12 meses de amenorrea sin una causa médica alternativa;
    • concentración de folitropina compatible con el estado posmenopáusico si es amenorreica durante <12 meses o tiene <55 años; o
    • las mujeres en edad fértil deberán dar negativo en una prueba de embarazo en suero en la selección, no podrán estar dando el pecho y deberán comprometerse a no mantener relaciones sexuales o a utilizar un método anticonceptivo muy eficaz (tasa de fallos <1 %) durante todo el estudio y durante al menos 30 días siguientes a la última dosis del fármaco del estudio; y
    14. si el paciente es varón, deberán cumplirse los criterios siguientes:
    • los varones con una pareja femenina en edad fértil deberán comprometerse a no mantener relaciones sexuales o a utilizar un método anticonceptivo muy eficaz (tasa de fallos <1 %) durante todo el estudio y durante al menos 3 meses después de la última dosis del fármaco del estudio; y
    • los varones fértiles deberán comprometerse a no donar semen durante todo el estudio y durante al menos 3 meses después de la última dosis del fármaco del estudio
    E.4Principal exclusion criteria
    Subjects will be excluded from the study if any of the following criteria are met:
    1. Hospitalization or serious medical illness (eg, hemorrhage, infections, myocardial infarction, stroke) within 4 weeks prior to randomization;
    2. Initiation of any new medication, dose, or regimen for OHE management within 4 weeks prior to Screening;
    Note 1: Lactulose/lactitol dose adjustments based on stool consistency are permitted.
    3. Initiation of any systemic antibiotic or antiviral medication within 4 weeks prior to randomization;
    4. History or presence of Child’s Pugh class C, hepato-renal syndrome(s), refractory ascites or spontaneous bacterial peritonitis (SBP), including SBP prophylaxis within 12 weeks of randomization;
    5. History of a portosystemic or a transjugular intrahepatic portosystemic shunt (TIPS) placement;
    6. Expectation of a liver transplant from Screening through the end of the study (ie, Week 28 visit);
    7. Screening Alcohol Use Disorders Identification Test (AUDIT) score ≥8;
    8. Presence of clinically significant comorbid illnesses that might preclude completion of the study, including but not limited to the following:
    a. Cardiovascular disorder (eg, myocardial infarction within 12 weeks of Screening, clinically significant arrhythmias, heart failure);
    b. Renal disorder (acute renal failure or dialysis requirement);
    c. Type 1 diabetes;
    d. Respiratory disorder (eg, severe chronic obstructive pulmonary disease or asthma or
    exacerbations of the same within 12 weeks of Screening);
    e. Gastrointestinal (eg, malabsorption syndromes, pancreatic insufficiency, chronic pancreatitis, Crohn’s disease, ulcerative colitis, celiac disease, and other protein losing enteropathies; gastrointestinal hemorrhage requiring >2 units of blood transfusion within 12 weeks prior to Screening, non-cirrhotic portal hypertension);
    f. Inborn errors of metabolism such as urea cycle disorders;
    g. Infections (eg, human immunodeficiency virus [HIV] seropositive, hepatitis B surface antigen positive, or hepatitis C virus ribonucleic acid [RNA] positive at Screening);
    h. Neurologic conditions (eg, Alzheimer’s disease, Parkinson’s disease, seizure disorders, and non-hepatic metabolic encephalopathies);
    i. Positive severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA at screening or has significant contact (ie, household) with a known positive case of coronavirus disease 2019 (COVID-19) during Screening;
    j. Vision disorders including any history or presence of anamnestic red-green visual blindness or partial or complete blindness in 1 eye;
    9. Alpha-fetoprotein >20ng/mL;
    10. Estimated glomerular filtration rate <45 mL/min/1.73 m2;
    11. Hemoglobin <8.0 g/dL at Screening;
    12. Total bilirubin >3 times the upper limit of normal, unless documented Gilbert’s disease;
    13. Fluid consumption restricted to < 1500 mL/day;
    14. Any clinically significant dose adjustments/titrations or addition of psychoactive drugs such as antidepressants/mood stabilizers, antipsychotics, opioids, and sedatives (eg, a change anticipated to impact the ability to participate in the study or interpret either safety or efficacy endpoints), within 4 weeks prior to Screening or anticipated during the study;
    Note 1: Occasional (<2 weeks within 4 weeks prior) use of these agents for temporary relief of situational anxiety, pain, or insomnia are not exclusionary.
    Note 2: Clinically significant adjustments of these medications during the course of the study would lead to subject withdrawal.
    15. Any clinically significant dose adjustments/titrations or addition of medications for the subject’s stable chronic conditions (a change anticipated to impact the ability to participate in the study or interpret either safety or efficacy endpoints) within 4 weeks prior to Screening;
    16. Use of the following prohibited medications within 4 weeks of Screening and during the
    study:
    • BCAAs, N-acetylcysteine, L-carnitine, creatine, ornithine, aspartate, L-ornithine L-aspartate
    • Cannabidiol
    • Amiodarone
    • Tamoxifen
    • Valproic acid
    • Testosterone, growth hormone or other androgens or anabolic agents
    • Chronic use of opioids or benzodiazepines (intermittent prescribed usage [e.g. <14
    days] is permitted)
    • Chronic uses of systemic corticosteroids or immunosuppressants (intermittent prescribed usage [e.g. <14 days] is permitted).
    For further information, please go to protocol section 4.2 Exclusion criteria, page 43.
    Se excluirá del estudio a los sujetos que cumplan alguno de los criterios siguientes:
    1.Hospitalización o enfermedad grave (p. ej., hemorragia, infecciones, infarto de miocardio ictus) en las 4 semanas previas a la aleatorización.
    2.Inicio de tratamiento con cualquier medicamento, dosis o pauta nuevos para el tratamiento de la EHM en las 4 semanas previas a la selección.
    Nota 1: Se permiten ajustes de la dosis de lactulosa/lactitol en función de la consistencia de las heces.
    3.Inicio del tratamiento con cualquier antibiótico o antivírico sistémico en las 4 semanas previas a la aleatorización.
    4.Antecedentes o presencia de síndromes hepatorrenales de clase C según la clasificación de Child-Pugh, ascitis resistente o peritonitis bacteriana espontánea (PBE), incluida la profilaxis de la PBE en las 12 semanas previas a la aleatorización.
    5.Antecedentes de colocación de una derivación portosistémica o portosistémica intrahepática transyugular (TIPS).
    6.Previsión de un trasplante hepático desde la selección hasta el final del estudio (visita de la semana 28).
    7.Puntuación 8 en la Cuestionario de identificación de trastornos debidos al consumo de alcohol (AUDIT) en el momento de la selección.
    8.Presencia de enfermedades concomitantes de importancia clínica que puedan impedir la finalización del estudio, como por ejemplo:
    a.Trastorno cardiovascular (por ejemplo, infarto de miocardio en las 12 semanas previas a la selección, arritmias de importancia clínica, insuficiencia cardíaca).
    b.Trastorno renal (insuficiencia renal aguda o necesidad de diálisis).
    c.Diabetes de tipo 1.
    d.Trastorno respiratorio (por ejemplo, enfermedad pulmonar obstructiva crónica grave o asma o exacerbaciones de las mismas en las 12 semanas previas a la selección).
    e.Enfermedades digestivas (p. ej., síndromes de malabsorción, insuficiencia pancreática, pancreatitis crónica, enfermedad de Crohn, colitis ulcerosa, enfermedad celíaca y otras enteropatías con pérdida de proteínas; hemorragia digestiva con necesidad de transfusión de más de 2 unidades de sangre en las 12 semanas previas a la selección, hipertensión portal no cirrótica).
    f.Metabolopatías congénitas, como trastornos del ciclo de la urea.
    g.Infecciones (p. ej., seropositividad para el virus de la inmunodeficiencia humana [VIH], positividad para el antígeno de superficie del virus de la hepatitis B o positividad para el ácido ribonucleico [ARN] del virus de la hepatitis C en la selección).
    h.Trastornos neurológicos (p. ej., enfermedad de Alzheimer, enfermedad de Parkinson, trastornos convulsivos y encefalopatías metabólicas no hepáticas).
    i.Positividad para el ARN del coronavirus 2 del síndrome respiratorio agudo grave (SARS-CoV-2) en el momento de la selección o contacto estrecho (en la unidad familiar) con un paciente con coronavirosis de 2019 (COVID-19) durante la selección.
    j.Trastornos de la visión, como antecedentes o presencia de ceguera visual anamnésica rojo-verde o ceguera parcial o completa en un ojo.
    9.Alfafetoproteína >20 ng/ml.
    10.Velocidad de filtración glomerular estimada <45 ml/min/1,73 m2.
    11.Hemoglobina <8,0 g/dl en la selección.
    12.Bilirrubina total >3 veces el límite superior de la normalidad, a menos que exista enfermedad de Gilbert documentada.
    13.Consumo de líquidos restringido a <1500 ml/día.
    14.Cualquier ajuste de la dosis o adición de psicofármacos, como antidepresivos/estabilizadores del estado de ánimo, antipsicóticos, opioides y sedantes, de importancia clínica (por ejemplo, un cambio que afecte previsiblemente a la capacidad de participar en el estudio o interpretar criterios de valoración de la seguridad o la eficacia), en las 4 semanas previas a la selección o previsto durante el estudio;
    Nota 1: El uso ocasional (inferior a 2 semanas en las 4 semanas previas) de estos fármacos para el alivio temporal de la ansiedad, el dolor o el insomnio circunstanciales no es motivo de exclusión.
    Nota 2: Los ajustes de importancia clínica de estos medicamentos durante el estudio motivarían la retirada del paciente.
    15.Cualquier ajuste de la dosis o adición de medicamentos de importancia clínica para las enfermedades crónicas estables del sujeto (un cambio que se prevé que afecte a la capacidad para participar en el estudio o para interpretar los criterios de valoración de la seguridad o la eficacia) en las 4 semanas previas a la selección.
    16. Consumo de los siguientes medicamentos prohibidos en las 4 semanas previas a la selección y durante el estudio:

    Para mas informacion, dirijase a las seccion 4.2 Criterios de exclusion pagina 43
    E.5 End points
    E.5.1Primary end point(s)
    Proportion (%) of subjects with > or = +2 change in the PHES at 24 weeks
    Proporción (%) de sujetos con una variación > or = +2 de la puntuación PHES a las 24 semanas.
    E.5.1.1Timepoint(s) of evaluation of this end point
    24-week treatment period
    Periodo de tratamiento de 24 semanas
    E.5.2Secondary end point(s)
    Key secondary endpoints: Proportion (%) of subjects a PHES score >-4 at 24 weeks;
    • Change from baseline in PHES;
    • Change from baseline in the Stroop Off+On time by the Stroop EncephalApp;
    • Proportion (%) of subjects experiencing at least 1 OHE event;
    • Total number of OHE events;
    • Time to first OHE breakthrough event;
    • Time to first hospitalization for both OHE-related and all-cause hospitalizations;
    • Proportion of and number of OHE events that resulted in hospitalization;
    • Proportion of subjects with at least 1 hospitalization for both OHE and for any reason;
    • Duration of hospitalizations for both OHE-related and all-cause hospitalizations
    • Total number of OHE-related and all cause hospitalizations;
    • Change from baseline in LFI at 24 weeks;
    • Proportion of subjects achieving LFI reduction of ≥0.3; and
    • Change from baseline in physical function as assessed by the PROMIS Physical Function Short Form 8b at 24 weeks.
    • Proporción (%) de sujetos con una variación +2 de la puntuación PHES a las 24 semanas
    • Proporción (%) de sujetos con una puntuación PHES > 4 a las 24 semanas.
    • Variación de la puntuación PHES con respecto al momento basal.
    • Variación con respecto al momento basal del tiempo de Stroop Off+On según la aplicación Stroop Encephal.
    • Proporción (%) de sujetos que experimenten al menos 1 episodio de EHM.
    • Número total de episodios de EHM.
    • Tiempo hasta el primer episodio de recaída de la EHM.
    • Tiempo transcurrido hasta la primera hospitalización para las hospitalizaciones relacionadas con la EHM y por cualquier causa.
    • Porcentaje y número de acontecimientos de EHM que condujeron a la hospitalización.
    • Porcentaje de sujetos con al menos 1 hospitalización por EHM y por cualquier motivo.
    • Duración de las hospitalizaciones por EHM y por cualquier causa
    • Número total de hospitalizaciones relacionadas con la EHM y por cualquier causa.
    • Variación del LFI entre el momento basal y las 24 semanas.
    • Proporción de sujetos que logran una reducción del LFI de 0,3.
    • Variación de la función física, evaluada mediante el Cuestionario abreviado de función física 8b PROMIS, entre el momento basal y las 24 semanas.
    E.5.2.1Timepoint(s) of evaluation of this end point
    24-week treatment period
    Periodo de tratamiento de 24 semanas
    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 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) Yes
    E.7.3Therapeutic confirmatory (Phase III) No
    E.7.4Therapeutic use (Phase IV) No
    E.8 Design of the trial
    E.8.1Controlled Yes
    E.8.1.1Randomised Yes
    E.8.1.2Open No
    E.8.1.3Single blind No
    E.8.1.4Double blind Yes
    E.8.1.5Parallel group Yes
    E.8.1.6Cross over No
    E.8.1.7Other No
    E.8.2 Comparator of controlled trial
    E.8.2.1Other medicinal product(s) No
    E.8.2.2Placebo Yes
    E.8.2.3Other No
    E.8.2.4Number of treatment arms in the 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 concerned9
    E.8.5The trial involves multiple Member States Yes
    E.8.5.1Number of sites anticipated in the EEA36
    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
    Canada
    United States
    France
    Germany
    Hungary
    Italy
    Poland
    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
    Ultima visita del ultimo 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 months10
    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 months10
    F. Population of Trial Subjects
    F.1 Age Range
    F.1.1Trial has subjects under 18 No
    F.1.1.1In Utero No
    F.1.1.2Preterm newborn infants (up to gestational age < 37 weeks) No
    F.1.1.3Newborns (0-27 days) No
    F.1.1.4Infants and toddlers (28 days-23 months) No
    F.1.1.5Children (2-11years) No
    F.1.1.6Adolescents (12-17 years) No
    F.1.2Adults (18-64 years) Yes
    F.1.2.1Number of subjects for this age range: 110
    F.1.3Elderly (>=65 years) Yes
    F.1.3.1Number of subjects for this age range: 40
    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 Information not present in EudraCT
    F.4 Planned number of subjects to be included
    F.4.1In the member state9
    F.4.2 For a multinational trial
    F.4.2.1In the EEA 70
    F.4.2.2In the whole clinical trial 150
    F.5 Plans for treatment or care after the subject has ended the participation in the trial (if it is different from the expected normal treatment of that condition)
    None
    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 Decision2021-08-11
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2021-07-21
    P. End of Trial
    P.End of Trial StatusCompleted
    P.Date of the global end of the trial2022-07-06
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