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    Summary
    EudraCT Number:2022-001515-10
    Sponsor's Protocol Code Number:KAR-031
    National Competent Authority:Spain - AEMPS
    Clinical Trial Type:EEA CTA
    Trial Status:Ongoing
    Date on which this record was first entered in the EudraCT database:2022-10-03
    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 number2022-001515-10
    A.3Full title of the trial
    A Phase 3, Randomized, Double-Blind, Placebo-Controlled Relapse Prevention Study to Evaluate the Safety and Efficacy of KarXT for the Treatment of Psychosis Associated with Alzheimer’s Disease Dementia
    Estudio de fase 3, aleatorizado, doble ciego, controlado con placebo, de prevención de las recaídas, para evaluar la seguridad y la eficacia de KarXT
    para el tratamiento de la psicosis asociada a la demencia de Alzheimer
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    A Phase 3 study to assess the safety of KarXT and how it helps in reoccurrence prevention in people with psychosis associated with Alzheimer’s Disease Dementia as compared to placebo
    Un estudio de fase 3 para evaluar la seguridad de KarXT y cómo ayuda a
    prevenir la recurrencia en personas con psicosis asociada con la demencia
    por enfermedad de Alzheimer en comparación con un placebo
    A.4.1Sponsor's protocol code numberKAR-031
    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 SponsorKaruna Therapeutics
    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 supportKaruna Therapeutics
    B.4.2CountryUnited States
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationKaruna Therapeutics
    B.5.2Functional name of contact pointClinical Trial Information
    B.5.3 Address:
    B.5.3.1Street Address99 High Street
    B.5.3.2Town/ cityBoston
    B.5.3.3Post codeMA 02110
    B.5.3.4CountryUnited States
    B.5.4Telephone number+34900834223
    B.5.6E-mailRegistroEspanoldeEstudiosClinicos@druginfo.com
    D. IMP Identification
    D.IMP: 1
    D.1.2 and D.1.3IMP RoleTest
    D.2 Status of the IMP to be used in the clinical trial
    D.2.1IMP to be used in the trial has a marketing authorisation No
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
    D.2.5.1Orphan drug designation number
    D.3 Description of the IMP
    D.3.1Product nameKarXT
    D.3.4Pharmaceutical form Capsule, hard
    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 INNXanomeline Tartrate
    D.3.9.1CAS number 152854-19-8
    D.3.9.4EV Substance CodeSUB15732MIG
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typenot less then
    D.3.10.3Concentration number20
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNTrospium chloride
    D.3.9.1CAS number 10405-02-4
    D.3.9.4EV Substance CodeSUB11349MIG
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number2
    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.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 No
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
    D.2.5.1Orphan drug designation number
    D.3 Description of the IMP
    D.3.1Product nameKarXT
    D.3.4Pharmaceutical form Capsule, hard
    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 INNXanomeline Tartrate
    D.3.9.1CAS number 152854-19-8
    D.3.9.4EV Substance CodeSUB15732MIG
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typenot less then
    D.3.10.3Concentration number30
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNTrospium chloride
    D.3.9.1CAS number 10405-02-4
    D.3.9.4EV Substance CodeSUB11349MIG
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number3
    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.IMP: 3
    D.1.2 and D.1.3IMP RoleTest
    D.2 Status of the IMP to be used in the clinical trial
    D.2.1IMP to be used in the trial has a marketing authorisation No
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
    D.2.5.1Orphan drug designation number
    D.3 Description of the IMP
    D.3.1Product nameKarXT
    D.3.4Pharmaceutical form Capsule, hard
    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 INNXanomeline Tartrate
    D.3.9.1CAS number 152854-19-8
    D.3.9.4EV Substance CodeSUB15732MIG
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typenot less then
    D.3.10.3Concentration number40
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNTrospium chloride
    D.3.9.1CAS number 10405-02-4
    D.3.9.4EV Substance CodeSUB11349MIG
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number4
    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.IMP: 4
    D.1.2 and D.1.3IMP RoleTest
    D.2 Status of the IMP to be used in the clinical trial
    D.2.1IMP to be used in the trial has a marketing authorisation No
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
    D.2.5.1Orphan drug designation number
    D.3 Description of the IMP
    D.3.1Product nameKarXT
    D.3.4Pharmaceutical form Capsule, hard
    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 INNXanomeline Tartrate
    D.3.9.1CAS number 152854-19-8
    D.3.9.4EV Substance CodeSUB15732MIG
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typenot less then
    D.3.10.3Concentration number50
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNTrospium chloride
    D.3.9.1CAS number 10405-02-4
    D.3.9.4EV Substance CodeSUB11349MIG
    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 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.IMP: 5
    D.1.2 and D.1.3IMP RoleTest
    D.2 Status of the IMP to be used in the clinical trial
    D.2.1IMP to be used in the trial has a marketing authorisation No
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
    D.2.5.1Orphan drug designation number
    D.3 Description of the IMP
    D.3.1Product nameKarXT
    D.3.4Pharmaceutical form Capsule, hard
    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 INNXanomeline Tartrate
    D.3.9.1CAS number 152854-19-8
    D.3.9.4EV Substance CodeSUB15732MIG
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typenot less then
    D.3.10.3Concentration number66.7
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNTrospium chloride
    D.3.9.1CAS number 10405-02-4
    D.3.9.4EV Substance CodeSUB11349MIG
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number6.67
    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 placeboCapsule, hard
    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
    Psychosis Associated with Alzheimer’s Disease Dementia
    Psicosis asociada con la demencia de la enfermedad de Alzheimer
    E.1.1.1Medical condition in easily understood language
    Delusions or hallucinations associated with mild to severe Alzheimer’s disease memory loss
    Delirios o alucinaciones asociados con la pérdida de memoria leve a
    grave de la enfermedad de Alzheimer
    E.1.1.2Therapeutic area Psychiatry and Psychology [F] - Mental Disorders [F03]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 20.0
    E.1.2Level PT
    E.1.2Classification code 10012271
    E.1.2Term Dementia Alzheimer's type
    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 10037234
    E.1.2Term Psychosis
    E.1.2System Organ Class 100000004873
    E.1.3Condition being studied is a rare disease No
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    To evaluate relapse prevention in subjects with psychosis associated with AD dementia treated with KarXT compared to placebo
    Evaluar la prevención de las recaídas en sujetos con psicosis asociada a
    demencia por EA tratados con KarXT en comparación con placebo.
    E.2.2Secondary objectives of the trial
    - To evaluate the time from randomization to discontinuation for any reason in subjects with psychosis associated with AD dementia treated with KarXT compared to placebo
    - To evaluate the safety and tolerability of KarXT compared to placebo
    - Evaluar el tiempo transcurrido entre la aleatorización y la suspensión
    del tratamiento por cualquier motivo en sujetos con psicosis asociada a
    demencia por EA tratados con KarXT en comparación con placebo
    - Evaluar la seguridad y la tolerabilidad de KarXT en comparación con
    placebo
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    1. Is a male or female aged 55 to 90 years, inclusive, at Screening (Visit 1A)
    2. Can understand the nature of the study and protocol requirements and provide a signed informed consent form (ICF) before any study assessments are performed. If local regulations do not allow electronic ICF, then paper ICFs are permitted. If the subject is deemed not competent to provide ICF, the following requirements for consent must be met.
    a. The subject’s legally acceptable representative (LAR) or caregiver/study partner, if local regulations allow, must provide ICF (paper or electronic)
    b. The subject must provide informed assent (paper or electronic)
    3. Meets clinical criteria for the following disorders:
    a. Possible or probable AD
    4. Has a Magnetic Resonance Imaging (MRI) or Computed Tomography (CT) scan of the brain (completed within the past 5 years) taken during or subsequent to the onset of dementia to rule out other central nervous system (CNS) disease that could account for the dementia syndrome, e.g., major stroke, neoplasm, subdural hematoma. If not available, a non-contrast brain MRI or non-contrast head CT must be done during screening. (Note: If waiting for MRI or CT results, an extension [up to two weeks] of the Screening Period may be allowed with approval of the Sponsor/Medical Monitor)
    5. Living at the same home or residential assisted-living facility for a minimum of six weeks before Screening (Visit 1A)
    6. Capable of self-locomotion (alone or with the aid of an assistive device) and have an identified or proxy caregiver (spends approximately 10 hours/week with the subject) that is willing to:
    a. Attend all visits and report on subject’s status
    b. Oversee subject compliance with medication and study procedures
    c. Participate in the study assessments and provide informed consent (paper or electronic) to participate in the study
    7. History of psychotic symptoms (meeting International Psychogeriatric Association [IPA] criteria [1]) for at least 2 months prior to Screening (Visit 1A). (Subjects may or may not have symptoms of agitation)
    8. Clinical Global Impressions-Severity (CGI-S) scale with a score ≥4 (moderate) at Screening (Visit 1A). CGI-S requires the assessor to consider aspects of the psychosis prior to providing a global assessment of severity. These aspects include hallucinations and delusions.
    9. AD dementia subjects are required to meet at least one of the following criteria at Screening (Visit 1A):
    a. Moderate to severe delusions, defined as NPI-C: Delusions domain score of ≥2 on two of the eight items
    OR
    b. Moderate to severe hallucinations, defined as NPI-C: Hallucinations domain score of ≥ 2 on two of the seven items.
    10. MMSE score of 8 to 22, inclusive, at Screening (Visit 1A)
    11. If the subject is taking a cholinesterase inhibitor and/or memantine, they must have been on a stable dose for 6 weeks prior to Screening (Visit 1A) and be willing to maintain a stable dose for the duration of the study.
    12. Subject is willing and able to visit the clinic in an outpatient setting for the study duration, follow instructions, and comply with the protocol requirements
    13. BMI must be within 18 to 40 kg/m2
    14. Female subjects must not be pregnant or breastfeeding. Women of childbearing potential (WOCBP), or men whose sexual partners are WOCBP, must be able and willing to use at least 1 highly effective method of contraception during the study and for at least 1 menstrual cycle (e.g., 30 days) after the last dose of IMP or matching placebo. Sperm donation is not allowed for 30 days after the final dose of the IMP or matching placebo. A female subject is considered to be a WOCBP after menarche and until she is in a postmenopausal state for 12 months or otherwise permanently sterile (for which acceptable methods include hysterectomy, bilateral salpingectomy, or bilateral oophorectomy).
    1. Varón o mujer de entre 55 y 90 años de edad, ambos inclusive, en el
    período de selección (visita 1A).
    2. Comprende la naturaleza del estudio y los requisitos del protocolo y
    proporciona un documento de consentimiento informado (ICF) firmado
    antes de realizar ninguna evaluación del estudio. En caso de que la
    normativa local no permita el uso de ICFs electrónicos, se permitirá el
    uso de ICFs impresos. Si se considera que el sujeto no es competente
    para otorgar su consentimiento informado, deberán cumplirse los
    siguientes requisitos de consentimiento.
    a. El representante legal o el cuidador/acompañante para el estudio del
    sujeto, si lo permite la normativa local, debe proporcionar un ICF
    (impreso o electrónico) firmado.
    b. El sujeto debe proporcionar su asentimiento informado (impreso o
    electrónico).
    3. Cumple los criterios clínicos de los siguientes trastornos:
    a. EA posible o probable
    4. Cuenta con una resonancia magnética (RM) o tomografía
    computarizada (TC) cerebral (realizada en los últimos 5 años) obtenida
    durante o después del comienzo de la demencia para descartar otra
    enfermedad del sistema nervioso central (SNC) que pueda explicar el
    síndrome de demencia, por ejemplo, ictus importante, neoplasia o
    hematoma subdural. Si no se encuentra disponible, deberá realizarse
    una RM cerebral sin contraste o una TC craneal sin contraste durante el
    período de selección. (Nota: A la espera de los resultados de la RM o TC,
    podrá permitirse una ampliación [de hasta dos semanas] del período de
    selección con la aprobación del promotor o monitor médico).
    5. Residencia en el mismo domicilio o residencia asistida durante un
    mínimo de seis semanas antes de la selección (visita 1A).
    6. Capaz de moverse por sí mismo (solo o con un dispositivo de ayuda) y
    cuenta con un cuidador identificado o potencial (que pasa
    aproximadamente 10 horas/semana con el sujeto) que esté dispuesto a:
    a. Acudir a todas las visitas e informar sobre el estado del sujeto.
    b. Supervisar el cumplimiento de la medicación y los procedimientos del
    estudio por parte del sujeto.
    c. Participar en las evaluaciones del estudio y otorgar su consentimiento
    informado (impreso o electrónico) para participar en el estudio.
    7. Antecedentes de síntomas psicóticos (que cumplan los criterios de la
    International Psychogeriatric Association [IPA] [1]) durante al menos
    dos meses antes de la selección (visita 1A). (Los sujetos pueden tener o
    no
    síntomas de agitación)
    8. Puntuación CGI-S (Impresión clínica global-Gravedad) ≥4 (moderada)
    en el período de selección (visita 1A). La escala CGI-S requiere que el
    evaluador considere aspectos de la psicosis antes de proporcionar una
    evaluación global de la gravedad. Entre estos aspectos figuran
    alucinaciones y delirios.
    9. Los sujetos con demencia por EA deberán cumplir al menos uno de los
    criterios siguientes en el período de selección (visita 1A):
    a. Delirios moderados o intensos, definidos como una puntuación NPI-C:
    dominio de delirios ≥2 en dos de los ocho apartados
    O
    b. Alucinaciones moderadas o intensas, definidas como una puntuación
    NPI-C: dominio de alucinaciones ≥2 en dos de los siete apartados.
    10. Puntuación MEC de entre 8 y 22, ambos inclusive, en el período de
    selección (visita 1A).
    11. Si el sujeto está tomando un inhibidor de la colinesterasa o
    memantina, deberá haber recibido una dosis estable durante 6 semanas
    antes de la selección (visita 1A) y estar dispuesto a mantener una dosis
    estable durante todo el estudio.
    12. Dispuesto y capaz de acudir al centro en régimen ambulatorio
    durante el estudio, de seguir las instrucciones y de cumplir los requisitos
    del
    protocolo.
    13. IMC de entre 18 y 40 kg/m.
    14. Las mujeres no podrán estar embarazadas ni en período de lactancia.
    Las mujeres con capacidad reproductiva y los varones cuyas parejas
    sexuales sean mujeres con capacidad reproductiva deberán ser capaces
    y estar dispuestos a utilizar al menos un método anticonceptivo muy
    eficaz durante el estudio y, como mínimo, durante un ciclo menstrual (p.
    ej., 30 días) después de la última dosis del PEI o del placebo
    equivalente. No se permitirá donar semen durante 30 días después de la
    última dosis del PEI o del placebo equivalente. Se considerará que una
    mujer tiene capacidad reproductiva si ha tenido la menarquia y hasta
    que se encuentre en estado posmenopáusico durante 12 meses o sea
    estéril de forma definitiva por cualquier motivo (para esto último, los
    métodos aceptables comprenden histerectomía, salpingectomía bilateral
    y ovariectomía bilateral).
    E.4Principal exclusion criteria
    1. Psychotic symptoms that are primarily attributable to a condition other than the AD causing dementia e.g., schizophrenia, schizoaffective disorder, delusional disorder, or mood disorder with psychotic features
    2. History of major depressive episode with psychotic features during the 12 months prior to Screening (Visit 1A)
    3. History of an axis I diagnosis of delirium, amnestic disorder, bipolar disorder, schizophrenia, or schizoaffective disorder
    4. Significant or severe medical conditions including pulmonary, hepatic, renal, hematologic, gastrointestinal, endocrine, immunologic, dermatologic, neurologic, or oncologic disease or any other condition that, in the opinion of the Investigator, could jeopardize the safety of the subject, ability to complete or comply with the study procedures or validity of the study results
    5. History of ischemic stroke within 12 months prior to Screening (Visit 1A) or any evidence of hemorrhagic stroke
    6. History of cerebral amyloid angiopathy (CAA), epilepsy, central nervous system (CNS) neoplasm, unstable thyroid function, or unexplained syncope
    7. Any of the following:
    a. New York Heart Association (NYHA) Class 2 congestive heart failure
    b. Grade 2 or greater angina pectoris
    c. Sustained ventricular tachycardia
    d. Ventricular fibrillation
    e. Torsade de pointes
    f. Implantable cardiac defibrillator
    8. Myocardial infarction within the 6 months prior to Screening (Visit 1A)
    9. Personal or family history of symptoms of long QT syndrome as evaluated by the investigator
    10. Human immunodeficiency virus (HIV), cirrhosis, biliary duct abnormalities, hepatobiliary carcinoma, and/or active hepatic viral infections as indicated by medical history or LFT results
    11. History or high risk of urinary retention, gastric retention, or narrow-angle glaucoma as evaluated by the investigator
    12. History of irritable bowel syndrome (with or without constipation) or serious constipation requiring treatment within the last 6 months
    13. Risk of suicidal behavior during the study as determined by the Investigator’s clinical assessment and/ or C-SSRS as confirmed by the following:
    a. Answers “Yes” on items 3, 4 or 5 (C-SSRS – ideation) with the most recent episode occurring within the 2 months before screening or,
    b. Answers “Yes” to any of the 5 items (C-SSRS behavior) with an episode occurring within the 12 months before screening
    14. Clinically significant abnormal finding on the physical examination, medical history, ECG, or clinical laboratory results at Screening (Visit 1A)
    15. Urine toxicology screen is positive for non-cannabis or non-benzodiazepine substances without the approval of the Medical Monitor
    16. Recent history of receiving monoamine oxidase inhibitors, anticonvulsants (e.g., lamotrigine, divalproex), lithium, tricyclic antidepressants (e.g., imipramine, desipramine), or any other psychoactive medications except for as-needed anxiolytics (e.g., lorazepam, chloral hydrate)
    a. Selective serotonin reuptake inhibitors and serotonin norepinephrine reuptake inhibitors taken at a stable dose for at least 8 weeks prior to Screening (Visit 1A) may be permitted
    b. Mirtazapine may be used as a hypnotic if started at least 8 weeks prior to Screening (Visit 1A)
    If needed, an extension (up to two weeks) of the Screening Period may be allowed with approval of the Sponsor/Medical Monitor.
    17. If, in the opinion of the Investigator and/or Sponsor/Medical Monitor, subject is unsuitable for enrollment in the study or subject has any finding that, in the view of the Investigator and/or Sponsor/ Medical Monitor, may compromise the safety of the subject or affect his/her ability to adhere to the protocol visit schedule or fulfill visit requirements
    18. Positive test for coronavirus (COVID-19) within 2 weeks before or at Screening (Visit 1A)
    19. Unable to taper and discontinue a concomitant medication that would preclude participation in the study (e.g., cannot stop potent anticholinergic medication)
    20. Prior exposure to KarXT
    21. Experienced any significant AEs due to trospium
    22. Participation in another clinical study in which the subject received an experimental or investigational drug within 3 months before Screening (Visit 1A) or has participated in more than 2 clinical studies in the past year
    1.Síntomas psicóticos atribuibles fundamentalmente a una enfermedad
    distinta de la EA causante de demencia, por ejemplo, esquizofrenia,
    trastorno esquizoafectivo, trastorno delirante o trastorno del estado de
    ánimo con rasgos psicóticos.
    2.Antecedentes de episodio depresivo mayor con rasgos psicóticos en los
    12 meses previos a la selección (visita 1A).
    3.Antecedentes de un diagnóstico en el eje I de delirium, trastorno
    amnésico, trastorno bipolar, esquizofrenia o trastorno esquizoafectivo.
    4.Enfermedades importantes o graves, entre ellas, enfermedades
    pulmonares, hepáticas, renales, hematológicas, digestivas, endocrinas,
    inmunológicas, dermatológicas, neurológicas u oncológicas, o cualquier
    otro trastorno que, en opinión del investigador, pueda poner en peligro
    la seguridad del sujeto, su capacidad para completar o cumplir los
    procedimientos del estudio o la validez de los resultados del estudio.
    5.Antecedentes de ictus isquémico en los 12 meses previos a la selección
    (visita 1A) o cualquier signo de ictus hemorrágico.
    6.Antecedentes de angiopatía amiloidea cerebral (AAC), epilepsia,
    neoplasia del sistema nervioso central (SNC), función tiroidea inestable
    o síncope inexplicado.
    7.Presencia de cualquiera de las circunstancias siguientes:
    a. Insuficiencia cardíaca congestiva en clase 2 de la New York Heart
    Association (NYHA).
    b. Angina de pecho de grado 2 o superior.
    c. Taquicardia ventricular sostenida.
    d. Fibrilación ventricular.
    e. Taquicardia ventricular polimorfa.
    f. Desfibrilador cardíaco implantable.
    8.Infarto de miocardio en los 6 meses previos a la selección (visita 1A).
    9.Antecedentes personales o familiares de síntomas de síndrome del QT
    largo, según la evaluación del investigador.
    10.Infección por el virus de la inmunodeficiencia humana (VIH), cirrosis,
    anomalías de las vías biliares, carcinoma hepatobiliar o infecciones
    víricas
    hepáticas activas, según lo indicado por los antecedentes médicos o los
    resultados de las PFH.
    11.Antecedentes o riesgo elevado de retención urinaria, retención
    gástrica o glaucoma de ángulo estrecho, según la evaluación del
    investigador.
    12.Antecedentes de síndrome del intestino irritable (con o sin
    estreñimiento) o estreñimiento grave con necesidad de tratamiento en
    los 6 últimos meses.
    13.Riesgo de comportamiento suicida durante el estudio, según lo
    determinado mediante la evaluación clínica del investigador o la escala
    C-SSRS, confirmado por lo siguiente:
    a. Respuesta afirmativa en los apartados 3, 4 o 5 (C-SSRS: ideación) y el
    episodio más reciente ha tenido lugar en los dos meses previos a la
    selección, o
    b. Respuesta afirmativa a cualquiera de los 5 apartados (C-SSRS:
    conducta) y se ha producido un episodio en los 12 meses previos a la
    selección
    14.Hallazgo anormal clínicamente significativo en la exploración física,
    los antecedentes médicos, el ECG o los resultados analíticos en el
    período de
    selección (visita 1A).
    15.El análisis toxicológico en orina es positivo para sustancias distintas
    de cannabis y benzodiacepinas sin la aprobación del monitor médico.
    16.Antecedentes recientes de tratamiento con inhibidores de la
    monoaminooxidasa, antiepilépticos (p. ej., lamotrigina o divalproex),
    litio, antidepresivos tricíclicos (p. ej., imipramina o desipramina) o
    cualquier
    otro medicamento psicoactivo, excepto ansiolíticos a demanda (p. ej.,
    lorazepam o hidrato de cloral).
    a. Se permite el uso de inhibidores selectivos de la recaptación de
    serotonina e inhibidores de la recaptación de serotonina y noradrenalina
    en una dosis estable durante al menos 8 semanas antes de la selección
    (visita 1A).
    b. La mirtazapina podrá utilizarse como hipnótico siempre que se inicie
    al menos 8 semanas antes de la selección (visita 1A).
    En caso necesario, podrá permitirse una ampliación (dos semanas como
    máximo) del período de selección con la aprobación del promotor o
    monitor
    médico.
    17.Si, en opinión del investigador o del promotor o monitor médico, el
    sujeto no es apto para participar en el estudio o presenta cualquier
    hallazgo que, en opinión del investigador y/o del promotor y/o monitor
    médico, pueda comprometer la seguridad del sujeto o afectar a su
    capacidad para cumplir el calendario de visitas del protocolo o los
    requisitos de las visitas.
    18.Prueba positiva para coronavirus (COVID-19) en las dos semanas
    previas a la selección (visita 1A) o durante la misma.
    19.Imposibilidad de reducir gradualmente y suspender un medicamento
    concomitante que impida la participación en el estudio (p. ej.,
    imposibilidad de suspender un anticolinérgico potente)
    20.Exposición previa a KarXT.
    21.El sujeto ha presentado cualquier AA significativo debido al trospio.
    22.Participación en otro estudio clínico en el que el sujeto haya recibido
    un fármaco experimental o en investigación en los tres meses previos a
    la selección (visita 1A) o participación en más de dos estudios clínicos en el
    último año.
    E.5 End points
    E.5.1Primary end point(s)
    Time from randomization (end of Week 12; Visit 10) to relapse during the 26-week Double-Blind Randomized Withdrawal Treatment Period
    Tiempo transcurrido entre la aleatorización (final de la semana 12; visita
    10) y la recaída durante el período de tratamiento con retirada
    aleatorizado y doble ciego de 26 semanas.
    E.5.1.1Timepoint(s) of evaluation of this end point
    Visits 10-18
    Visitas 10-18
    E.5.2Secondary end point(s)
    Time from randomization (end of Week 12; Visit 10) to discontinuation for any reason during the 26-week Double-Blind Randomized Withdrawal Treatment Period
    Tiempo transcurrido entre la aleatorización (final de la semana 12; visita
    10) y la suspensión del tratamiento por cualquier motivo durante el
    período de tratamiento con retirada aleatorizado y doble ciego de 26 semanas.
    E.5.2.1Timepoint(s) of evaluation of this end point
    Visits 10-18
    Visitas 10-18
    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 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) 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 concerned6
    E.8.5The trial involves multiple Member States Yes
    E.8.5.1Number of sites anticipated in the EEA44
    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
    Chile
    United States
    France
    Bulgaria
    Spain
    Czechia
    Germany
    Italy
    Croatia
    Slovakia
    United Kingdom
    Serbia
    E.8.7Trial has a data monitoring committee Yes
    E.8.8 Definition of the end of the trial and justification where it is not the last visit of the last subject undergoing the trial
    The study will complete when the last active subject fulfills all the requirements for the study
    and has completed the last scheduled assessment (SFU, Week 40/Visit 20, or 2 weeks after study
    discontinuation for subjects who withdraw early). For those subjects enrolling into the OLE
    safety study, Week 38/Visit 19 will serve as the last visit of the KAR-031study and the first visit
    of the OLE study (KAR-033).
    El estudio se completará cuando el último sujeto activo cumpla con
    todos los requisitos del estudio y haya completado la última evaluación
    programada (SFU, Semana 40/Visita 20, o 2 semanas después de la
    interrupción del estudio para los sujetos que se retiran antes de
    tiempo). Para aquellos sujetos que se inscriban en el estudio de
    seguridad OLE, la Semana 38/Visita 19 servirá como la última visita del
    estudio KAR-031 y la primera visita del estudio OLE (KAR-033).
    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 days
    E.8.9.2In all countries concerned by the trial years2
    E.8.9.2In all countries concerned by the trial months5
    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: 270
    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 state48
    F.4.2 For a multinational trial
    F.4.2.1In the EEA 260
    F.4.2.2In the whole clinical trial 380
    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 (randomized and non-randomized) who complete the 38-week study per protocol may be eligible for a one-year, long-term, OLE safety study (KAR-033).
    Los sujetos (aleatorizados y no aleatorizados) que completen el estudio de 38 semanas por protocolo pueden ser elegibles para un estudio de seguridad de OLE a largo plazo de un año (KAR-033).
    G. Investigator Networks to be involved in the Trial
    G.4 Investigator Network to be involved in the Trial: 1
    G.4.1Name of Organisation Verified Clinical Trials
    G.4.3.4Network Country United States
    N. Review by the Competent Authority or Ethics Committee in the country concerned
    N.Competent Authority Decision Authorised
    N.Date of Competent Authority Decision2022-12-12
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2022-11-17
    P. End of Trial
    P.End of Trial StatusOngoing
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