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    Summary
    EudraCT Number:2020-004104-34
    Sponsor's Protocol Code Number:SNDX-5613-0700
    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:2022-10-13
    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 number2020-004104-34
    A.3Full title of the trial
    A Phase 1/2, Open-label, Dose-Escalation and Dose-Expansion Cohort Study of SNDX-5613 in Patients with Relapsed/Refractory Leukemias, Including Those Harboring an MLL/KMT2A Gene Rearrangement or Nucleophosmin 1 (NPM1) Mutation
    Estudio en fase I/II, sin enmascaramiento, con cohortes de ampliación y de aumento gradual de la dosis de SNDX-5613 en pacientes con leucemias recidivantes o resistentes al tratamiento, incluidas las que presentan reordenación del gen MLL/KMT2A o mutación en nucleofosmina 1 (NPM1)
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    A study to investigate the short- and long-term safety and tolerability of the drug SNDX-5613 in Patients with Relapsed/Refractory Leukemias. Various doses of SNDX-5613 will be investigated.
    Un estudio para investigar la seguridad y la tolerabilidad a corto y largo plazo del fármaco SNDX-5613 en pacientes con leucemias recidivantes/refractarias. Se investigarán distintas dosis de SNDX-5613.
    A.4.1Sponsor's protocol code numberSNDX-5613-0700
    A.5.4Other Identifiers
    Name:INDNumber:142693
    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 SponsorSyndax Pharmaceuticals, 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 supportSyndax Pharmaceuticals, Inc
    B.4.2CountryUnited States
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationSyndax Pharmaceuticals, Inc
    B.5.2Functional name of contact pointMain Telephone Number
    B.5.3 Address:
    B.5.3.1Street Address35 Gatehouse Drive, Building D, Floor 3
    B.5.3.2Town/ cityWaltham
    B.5.3.3Post code02451
    B.5.3.4CountryUnited States
    B.5.4Telephone number+1781419-1400
    B.5.5Fax number+1781419-1420
    B.5.6E-mailclinicaltrials@syndax.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 nameSNDX-5613 25 mg capsule
    D.3.4Pharmaceutical form Capsule
    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 INNNot yet assigned
    D.3.9.1CAS number 2169919-22-4
    D.3.9.2Current sponsor codeSNDX-5613
    D.3.9.3Other descriptive nameTrans N-ethyl-2-((4-(7-((4-(ethylsulfonamido)cyclohexyl)methyl)-2,7-diazaspiro[3.5]nonan-2-yl)pyrimidin-5-yl)oxy)-5-fluoro-N-isopropylbenzamide sesquifumarate
    D.3.9.4EV Substance CodeSUB207245
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number25
    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 nameSNDX-5613 113 mg capsule
    D.3.4Pharmaceutical form Capsule
    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 INNNot yet assigned
    D.3.9.1CAS number 2169919-22-4
    D.3.9.2Current sponsor codeSNDX-5613
    D.3.9.3Other descriptive nameTrans N-ethyl-2-((4-(7-((4-(ethylsulfonamido)cyclohexyl)methyl)-2,7-diazaspiro[3.5]nonan-2-yl)pyrimidin-5-yl)oxy)-5-fluoro-N-isopropylbenzamide sesquifumarate
    D.3.9.4EV Substance CodeSUB207245
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number113
    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 nameSNDX-5613 50 mg/mL F2 Oral Solution
    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 INNNot yet assigned
    D.3.9.1CAS number 2169919-22-4
    D.3.9.2Current sponsor codeSNDX-5613
    D.3.9.3Other descriptive nameTrans N-ethyl-2-((4-(7-((4-(ethylsulfonamido)cyclohexyl)methyl)-2,7-diazaspiro[3.5]nonan-2-yl)pyrimidin-5-yl)oxy)-5-fluoro-N-isopropylbenzamide sesquifumarate
    D.3.9.4EV Substance CodeSUB207245
    D.3.10 Strength
    D.3.10.1Concentration unit mg/ml milligram(s)/millilitre
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number50
    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
    E. General Information on the Trial
    E.1 Medical condition or disease under investigation
    E.1.1Medical condition(s) being investigated
    Relapsed or Refractory Acute Leukemias
    Leucemias agudas recidivantes o refractarias
    E.1.1.1Medical condition in easily understood language
    Relapsed or Refractory Acute Leukemias
    Leucemias agudas recidivantes o refractarias
    E.1.1.2Therapeutic area Diseases [C] - Cancer [C04]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 20.1
    E.1.2Level LLT
    E.1.2Classification code 10024330
    E.1.2Term Leukemia acute
    E.1.2System Organ Class 100000004864
    E.1.3Condition being studied is a rare disease No
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    Phase 1
    • To determine the safety, tolerability, maximum tolerated dose (MTD), and recommended Phase 2 dose (RP2D) of SNDX-5613 in patients with relapsed/refractory (R/R) acute leukemia in Arm A, Arm B, Arm C and Arm D.
    • To characterize the pharmacokinetics (PK) parameters of SNDX-5613 in Arm A, Arm B, Arm C and Arm D.

    Phase 2
    • To evaluate short- and long-term safety and tolerability of SNDX-5613.
    • To assess the complete remission (CR) rate (CR + complete remission with partial hematologic recovery (CRh)) in adult patients.
    Fase I
    • Determinar la seguridad, la tolerabilidad, la dosis máxima tolerada (DMT) y la dosis recomendada para la fase II (DRF2) de SNDX-5613 en pacientes con leucemia aguda recidivante/refractaria (R/R) en los grupos A, B, C y D.
    • Caracterizar los parámetros farmacocinéticos (FC) del SNDX-5613 en los grupos A, B, C y D.

    Fase II
    • Evaluar la seguridad y la tolerabilidad a corto y a largo plazo del SNDX-5613.
    • Evaluar la tasa de remisión completa (RC) (RC + remisión completa con recuperación hemática parcial [RCh]) en pacientes adultos.
    E.2.2Secondary objectives of the trial
    Phase 1
    No secondary objectives are defined for Phase 1.

    Phase 2
    • To assess the CR rate (CR+CRh) in adult and pediatric patients combined.
    • To assess postbaseline transfusion independence.
    • To assess the CRc rate (CR + CRh + complete remission with incomplete hematologic recovery (CRi) + complete remission with incomplete platelet recovery (CRp)).
    • To assess the best overall remission rate (BORR) (CRc + partial remission [PR]).
    • To assess the time to response (TTR), duration of response (DOR), and event free survival (EFS).
    • To assess overall survival (OS).
    • To characterize PK parameters of SNDX-5613.
    Fase I
    No se ha definido ningún objetivo secundario para la fase I.
    Fase II
    • Evaluar la tasa de RC (RC + RCh) en pacientes adultos y pediátricos combinados.
    • Evaluar la independencia de transfusiones después del inicio.
    • Evaluar la tasa de RCc (RC + RCh + remisión completa con recuperación hemática incompleta [RCi] + remisión completa con recuperación plaquetaria incompleta [RCp]).
    • Evaluar la mejor tasa de remisión global (MTRG) (RCc + remisión parcial [RP]).
    • Evaluar el tiempo que transcurre hasta la respuesta (TTR), la duración de la respuesta (DdR) y la supervivencia sin acontecimientos (SSA).
    • Evaluar la supervivencia global (SG).
    • Caracterizar los parámetros FC del SNDX-5613.
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    1. Patients in Arms A and B must have active acute leukemia harboring mixed lineage leukemia (MLL) rearrangement or NPM1c mutation. See definition in the protocol.
    Patients in Arm C and Arm D must meet one of the following 2 criteria:
    •active acute leukemia (bone marrow blasts ≥5% or reappearance of blasts in peripheral blood).•acute leukemia harboring an MLL rearrangement or Nucleophosmin 1 mutation (NPM1c) mutation that have detectable disease in the bone marrow not meeting criterion for active leukemia.
    2. Phase 1: Documented R/R acute leukemia:
    • Arm A: Patients must not be receiving any strong CYP3A4 inhibitor/inducers or fluconazole. Patients who were receiving a strong CYP3A4 inhibitor/inducer or fluconazole must have discontinued the medication at least 7days prior to enrollment.
    • Arm B: Patients must be receiving itraconazole, ketoconazole, posaconazole, or voriconazole for antifungal prophylaxis for at least 7days prior to enrollment and while on SNDX-5613 treatment. Patients must not be receiving any other strong CYP3A4 inhibitors/inducers.
    • Arm C: Patients must weigh ≥35 kg and be willing to receive daily cobicistat from C1D2 for at least 28 days. Patients must not be receiving any other strong or moderate CYP3A4 inhibitors/inducers. Patients who were receiving a moderate/strong CYP3A4 inhibitor/inducer must have discontinued the medication at least 7days prior to enrollment.
    Arm D: Patients must be receiving fluconazole (moderate CYP3A4 inhibitor) for at least 7 days prior to enrollment and while on SNDX-5613 treatment. Patients must not be receiving any other strong or moderate CYP3A4 inhibitors/inducers.
    3. Phase 2: Documented R/R acute leukemia:
    Cohort 2A: Documented R/R acute lymphoblastic leukemia (ALL)/mixed phenotype acute leukemia (MPAL) with a mixed lineage leukemia-rearranged (MLLr) translocation.
    Cohort 2B: Documented R/R AML with an MLLr translocation.
    Cohort 2C: Documented R/R AML with NPM1c.
    Mutational status is to be reviewed locally to determine patient eligibility in Phase 2 and confirmed centrally.
    4. Recurrent or refractory AML/ALL or MPAL, as defined by standardized criteria after standard of care therapy. Patients with persistent leukemia after initial therapy or with recurrence of leukemia at any time after achieving a response during or after the course of treatment are eligible.
    • White blood cell (WBC) count must be below 25,000/µL at time of enrollment.
    Patients may receive cytoreduction prior to enrollment.
    5. Male or female patient aged ≥30 days. Patients intend to receive SNDX-5613 in combination with cobicistat must weigh ≥35 kg.
    6. ECOG performance status score 0-2 (if aged ≥18yrs); Karnofsky Performance Scale of ≥50 (if aged ≥16yrs and <18yrs); Lansky Performance Score of ≥50 (if aged <16yrs).
    7. Any prior treatment-related toxicities resolved to ≤Grade 1 prior to enrollment, with the exception of ≤Grade 2 neuropathy or alopecia.
    8. At least 60 days from prior total body irradiation (TBI), craniospinal radiation and/or ≥50% radiation of the pelvis, or at least 14 days from local palliative radiation therapy (small port).
    9. At least 60 days must have elapsed from hematopoietic stem cell transplant (HSCT) and at least 4 weeks (from first dose) must have elapsed from donor lymphocyte infusion (DLI) without conditioning.
    10. At least 42days since prior immunotherapy, including tumor vaccines and checkpoint inhibitors, and at least 21days since receipt of chimeric antigen receptor therapy or other modified T cell therapy.
    11. At least 14days since the completion of antileukemic therapy with the exceptions as defined in the protocol.
    12. At least 7days since the completion of therapy with short-acting hematopoietic growth factors and 14days with long-acting growth factors.
    13. At least 7days or 5 half-lives, whichever is longer, since the completion of therapy with a biologic agent.
    14. At least 7days since systemic glucocorticoid therapy, unless receiving physiologic dosing or cytoreductive therapy.
    15. Adequate renal, liver, and cardiac function by MUGA or echocardiogram as defined in the protocol.
    See protocol for additional information
    1.Los pacientes de los grupos A y B deben presentar leucemia aguda activa que alberga un reordenamiento de leucemia de linaje mixto (MLL) o mutación de NPM1c. Ver la definición en el protocolo
    Los pacientes de los grupos C y D deben cumplir uno de los 2 criterios siguientes:
    •leucemia aguda activa (≥5 % de blastocitos en médula ósea o reaparición de blastocitos en sangre periférica).
    •leucemia aguda que alberga un reordenamiento de MLL o mutación de nucleofosmina 1 (NPM1c) que presenta enfermedad detectable en l médula ósea y no cumplen el criterio de leucemia activa.
    2.Fase I: leucemia aguda R/R documentada:
    •Grupo A: los pacientes no deben estar recibiendo ningún inductor /inhibidor potente del CYP3A4 ni fluconazol. Los pacientes que estuvieran recibiendo un inductor /inhibidor potente del CYP3A4 o fluconazol deben haber dejado de tomar la medicación al menos 7 días antes de la selección.
    •Grupo B: los pacientes deben estar recibiendo itraconazol, ketoconazol, posaconazol o voriconazol como prevención antifúngica durante al menos 7 días antes de la selección y durante el tratamiento con SNDX-5613. Los pacientes no deben estar recibiendo ningún otro inductor /inhibidor potente del CYP3A4.
    •Grupo C: los pacientes deben pesar ≥35 kg y estar dispuestos a recibir cobicistat diariamente a partir del D2C1 durante al menos 28 días. Los pacientes no deben estar recibiendo ningún otro inductor /inhibidor potente o moderado del CYP3A4. Los pacientes que estuvieran recibiendo un inductor /inhibidor potente o moderado del CYP3A4 deben haber dejado de tomar la medicación al menos 7 días antes de la selección.
    •Grupo D: los pacientes deben estar recibiendo fluconazol durante al menos 7 días antes de la selección y durante el tratamiento con SNDX-5613. Los pacientes no deben estar recibiendo ningún otro inductor /inhibidor potente o moderado del CYP3A4.
    3.Fase II: leucemia aguda R/R documentada:
    Cohorte 2A: Leucemia linfoblástica aguda (LLA) R/R documentada / leucemia aguda de fenotipo mixto (LAFM) con una translocación reordenada de leucemia de linaje mixto (MLLr). Cohorte 2B: LMA R/R documentada con una translocación MLLr. Cohorte 2C: LMA R/R documentada con NPM1c.El estado mutacional debe ser revisado localmente para determinar la idoneidad del paciente en la fase II y se confirmará centralmente.
    4.LAFM o LLA/LMA recidivante o refractaria, según lo definido por los criterios estandarizados tras un tratamiento de referencia. Los pacientes con leucemia persistente tras el tratamiento inicial o con recidiva de leucemia en cualquier momento después de lograr una respuesta durante o después del tratamiento son elegibles.
    •El recuento de glóbulos blancos debe ser < 25000/μL en el momento de la selección. Los pacientes podrán recibir citorreducción antes de la selección.
    5.Pacientes de ambos sexos con una edad ≥30 días. Pacientes a los que se tenga intención de administrar SNDX-5613 en combinación con cobicistat deben pesar ≥35 kg.
    6.Puntuación 0-2 (si ≥18 años) en el estado funcional del ECOG; ≥50 (si ≥16 años y <18 años) en la escala de Karnofsky; ≥50 (si tiene <16 años) en la puntuación funcional de Lansky.
    7.Cualquier toxicidad relacionada con un tratamiento previo resuelta hasta el grado ≤1 antes de la selección, excepto alopecia o neuropatía de grado ≤2.
    8.Al menos 60 días de la irradiación corporal total (ICT) previa, radiación craneoespinal o ≥50 % de radiación de la pelvis, o al menos 14 días desde la radioterapia paliativa local (puerto pequeño)
    9.Haber transcurrido al menos 60 días desde el trasplante de células madre hematopoyéticas (TCMH) y al menos 4 semanas (desde la primera dosis) desde la infusión de linfocitos del donante (ILD) sin acondicionamiento.
    10.Al menos 42 días desde la inmunoterapia previa, incluidas vacunas tumorales e inhibidores del punto de control, y al menos 21 días desde la recepción de un tratamiento con receptor quimérico para el antígeno u otro tratamiento de linfocitos T modificados.
    11.Al menos 14 días desde que se completó el tratamiento antileucémico, con las excepciones definidas en el protocolo.
    12.Al menos 7 días desde que se completó el tratamiento con factores de crecimiento hematopoyético de acción corta y 14 días con factores de crecimiento hematopoyético de acción prolongada.
    13.Al menos 7 días o 5 semividas, lo que sea más largo, desde que se completó el tratamiento con un producto biológico.
    14.A al menos 7 días desde el tratamiento sistémico con glucocorticoides, salvo que reciba una dosis fisiológica o un tratamiento citorreductor. Requisitos de la función orgánica adecuada durante los 10 días anteriores al inicio del tratamiento.
    15. Adecuada función renal, hepática y cardiaca según MUGA o ecocardiograma, de acuerdo con
    el protocolo.
    Para información adicional, refiéranse al protocolo.
    E.4Principal exclusion criteria
    1. Active diagnosis of acute promyelocytic leukemia.
    2. Isolated extramedullary relapse.
    3. Active CNS disease (cytologic or radiographic). Refer to the protocol for details of patients that are required to have a lumbar puncture or Ommaya reservoir tap during the screening period.
    4. Detectable HIV viral load within the previous 6 months. Patients with a known history of HIV 1/2 antibodies must have viral load testing prior to study enrollment.
    5. Hepatitis B (defined as hepatitis B virus [HBV] surface antigen positive and HBV core antibody positive, with positive HBVDNA, or HBV positive core antibody alone with positive HBV DNA.
    6. Hepatitis C (defined as positive hepatitis C [HCV] antibody with reflex to positive HCV RNA).
    7. Negative serum pregnancy tests are required during Screening and a negative serum or urine pregnancy test is required within 72 hours prior to receiving the first study drug administration, in females of childbearing potential. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required.
    8. Any of the following within the 6 months prior to study entry: myocardial infarction, uncontrolled/unstable angina, congestive heart failure (New York Heart Association Classification Class ≥II), life-threatening, uncontrolled arrhythmia, cerebrovascular accident, or transient ischemic attack. QTc using Fridericia’s correction (QTcF) >450 msec.
    9. Any gastrointestinal issue of the upper GI tract likely to affect oral drug absorption or ingestion. Cirrhosis with a Child-Pugh score of B or C.
    10. Signs or symptoms of acute or chronic GVHD >Grade 0 within 4 weeks of enrollment. Must be off all systemic immunosuppressive therapy and calcineurin inhibitors for at least 4 weeks prior to enrollment. Patients may be on steroids.
    11. Concurrent malignancy in the previous 2 years with the exception of basal cell carcinoma of the skin, squamous cell carcinoma of the skin, or carcinoma in situ treated with potentially curative therapy, or concurrent low-grade lymphoma, that is asymptomatic and lacks bulky disease and shows no evidence of progression, and for which the patient is not receiving any systemic therapy or radiation. Concurrent malignancy must be in complete remission (CR) or no evidence of disease (NED) during this timeframe.
    12. History of or any concurrent condition, therapy, laboratory abnormality, or allergy Investigator believes might confound the study results, interfere with patientparticipation, or is contrary to patient interest.
    13. Any antileukemic therapy other than SNDX-5613, with the following exceptions:
    • Short-term administration of corticosteroid and/or hydroxyurea for cytoreduction.
    • Intrathecal chemotherapy for CNS prophylaxis is permitted after Cycle 1 (C1) is complete, at the treating physician’s discretion.
    14. In Phase 1 the following Exclusions apply:
    • Arm A: Concurrent use of strong inhibitors or inducers of CYP3A4 and fluconazole, which should be discontinued at least 7 days prior to enrollment.
    • Arm B: Concurrent use of strong CYP3A4 inhibitors/inducers (except for systemic itraconazole, ketoconazole, posaconazole, or voriconazole, which should have been started at least 7 days prior to enrollment). Other moderate or strong inhibitors or inducers of CYP3A4 should be discontinued at least 7 days prior to enrollment.
    • Arm C: Concurrent use of moderate and strong inhibitors or inducers of CYP3A4 (except for cobicistat from C1D2), which should be discontinued at least 7 days prior to enrollment.
    Arm D: Concurrent use of moderate and strong inhibitors or inducers of CYP3A4 (except for fluconazole), which should be discontinued at least 7 days prior to enrollment.
    In Phase 2: Concurrent use of moderate or strong CYP3A4 inhibitors/inducers (except for systemic itraconazole, ketoconazole, posaconazole, or voriconazole). The acceptable azoles should have been started at least 7 days prior to enrollment. Other moderate or strong inhibitors or inducers of CYP3A4 should be discontinued at least 7 days prior to enrollment.
    1.Diagnóstico activo de leucemia promielocítica aguda.
    2.Recidiva extramedular aislada.
    3.Enfermedad activa del SNC (citológica o radiográfica). Véase el protocolo para consultar información detallada.
    4.Carga vírica detectable del VIH durante los 6 meses anteriores. Los pacientes con antecedentes conocidos de anticuerpos anti-VIH 1/2 deben someterse a un análisis de la carga vírica antes de la selección.
    5.Hepatitis B, definida como presencia del antígeno de superficie del virus de la hepatitis B (VHB) y del anticuerpo central del VHB, con presencia de ADN del VHB, o presencia únicamente del anticuerpo central del VHB con presencia de ADN del VHB.
    6.Hepatitis C, definida como presencia de anticuerpos frente al virus de la hepatitis C (VHC) con reflejo para la presencia de ARN del VHC.
    7.Las mujeres fértiles deben obtener un resultado negativo en una prueba de embarazo en suero durante la selección y en una prueba de embarazo en suero u orina durante las 72 horas anteriores a la recepción de la primera administración del fármaco del estudio. Si el resultado del análisis de orina es positivo o no puede confirmarse como negativo, será necesario realizar una prueba de embarazo en suero.
    8.Cualquiera de los siguientes trastornos durante los 6 meses anteriores al ingreso en el estudio: infarto de miocardio, angina inestable o no controlada, insuficiencia cardiaca congestiva (clase ≥II según la clasificación de la Asociación Neoyorquina de Cardiología), arritmia no controlada, potencialmente mortal, accidente cerebrovascular o accidente isquémico transitorio. Intervalo QT con corrección de Fridericia (QTcF): >450 ms.
    9.Cualquier alteración gastrointestinal de la porción alta del tubo digestivo que pueda afectar la ingestión o absorción del fármaco oral. Cirrosis con una puntuación de B o C según la clasificación de Child-Pugh.
    10.Signos o síntomas de EICH aguda o crónica de grado >0 durante las 4 semanas anteriores a la selección. No haber recibido ningún tratamiento inmunosupresor sistémico ni inhibidores de la calcineurina durante al menos las 4 semanas anteriores a la selección. Los pacientes deben estar recibiendo corticoesteroides.
    11.Neoplasia maligna concurrente durante los 2 años anteriores, a excepción del carcinoma basocelular de la piel, carcinoma escamocelular de la piel o carcinoma in situ tratado con un tratamiento potencialmente curativo, o linfoma concurrente de escasa malignidad, que es asintomático y carece de gran masa tumoral y no muestra ningún indicio de progresión, y para el que el paciente no está recibiendo ningún tratamiento sistémico ni radiación. La neoplasia maligna concurrente
    debe encontrarse en remisión completa o sin indicios de actividad durante dicho periodo.
    12.Antecedentes o concurrencia de cualquier trastorno, tratamiento, anomalía analítica o alergia investigador crea que podría confundir los resultados del estudio, interferir con la participación del paciente, o que sea contrario a los intereses del paciente.
    13.Cualquier tratamiento antileucémico que no sea el SNDX-5613, con las siguientes excepciones:
    •Administración a corto plazo de corticoesteroides o hidroxiurea para la citorreducción.
    •Se permite la quimioterapia intratecal como profilaxis del SNC cuando el ciclo 1 (C1) se haya completado, a discreción del médico responsable.
    14.En la fase I se aplican las siguientes exclusiones:
    •Grupo A: uso concurrente de inhibidores o inductores potentes del CYP3A4 y fluconazol, que deberán haberse interrumpido al menos 7 días antes de la selección.
    •Grupo B: uso concurrente de inductores o inhibidores potentes del CYP3A4 (excepto el voriconazol, el posaconazol, el ketoconazol o el itraconazol sistémico, que deberán haberse iniciado al menos 7 días antes de la selección). Los demás inhibidores o inductores potentes o moderados del CYP3A4 deberán haberse interrumpido al menos 7 días antes de la selección.
    •Grupo C: uso concurrente de inhibidores o inductores potentes o moderados del CYP3A4 (excepto el cobicistat a partir del D2C1), que deberán haberse interrumpido al menos 7 días antes de la selección.
    Grupo D: uso concurrente de inhibidores o inductores potentes o moderados del CYP3A4 (excepto el fluconazol), que deberán haberse interrumpido al menos 7 días antes de la selección.
    En la fase II: uso concurrente de inductores o inhibidores potentes o moderados del CYP3A4 (excepto el voriconazol, el posaconazol, el ketoconazol o el itraconazol sistémico). Los azoles aceptables deberán haberse iniciado al menos 7 días antes de la selección. Los demás inhibidores o inductores potentes o moderados del CYP3A4 deberán haberse interrumpido al menos 7 días antes de la selección.
    E.5 End points
    E.5.1Primary end point(s)
    Phase 1:
    • Occurrence of dose-limiting toxicities (DLTs).
    • Frequency, duration, and severity of treatment-emergent adverse events (TEAEs), treatment-related TEAEs (TRAEs), and serious adverse events (SAEs).
    • Incidence and shifts of clinically significant clinical laboratory abnormalities.
    • Change from baseline in other observations related to safety, including electrocardiograms (ECGs), vital signs, ophthalmologic examination findings, and performance status.
    • Pharmacokinetic (PK) parameters: maximum plasma concentration (Cmax), time to maximum plasma concentration (Tmax), area under the plasma concentration versus time curve (AUC) from time 0 to t (AUC0–t), AUC from time 0 to 24 hours (AUC0–24), apparent oral clearance (CL/F), apparent volume of distribution (Vz/F), and half-life (t1/2).

    In Phase 1, the study endpoints will be assessed by dose cohort and overall.

    Phase 2:
    • CR rate (CR+CRh) in adult population.
    • Frequency, duration, and severity of TEAEs, TRAEs, and SAEs.
    • Incidence and shifts of clinically significant clinical laboratory abnormalities.
    • Change from baseline in other observations related to safety, including ECGs, vital signs, ophthalmologic examination findings, and performance status.

    In Phase 2, endpoints will be assessed by disease cohort and overall.
    Fase I:
    • Aparición de toxicidades limitantes de la dosis (TLD).
    • Frecuencia, duración y gravedad de los acontecimientos adversos surgidos durante el tratamiento (AAST), los AAST relacionados con el tratamiento (AART) y los acontecimientos adversos graves (AAG).
    • Incidencia y variaciones de las anomalías analíticas clínicamente significativas.
    • Cambio respecto al inicio en otras observaciones relacionadas con la seguridad, incluidos los electrocardiogramas (ECG), las constantes vitales, los signos observados durante las exploraciones oftálmicas y el estado funcional.
    • Parámetros farmacocinéticos (FC): concentración plasmática máxima (Cmáx), tiempo que transcurre hasta la concentración plasmática máxima (Tmáx), área bajo la curva de concentración plasmática con respecto al tiempo (ABC) desde el tiempo 0 hasta t (ABC0–t), el ABC desde el tiempo 0 hasta las 24 horas (ABC0–24), el aclaramiento oral aparente (CL/F), el volumen aparente de distribución (Vz/F) y la semivida (t1/2)..

    En la fase I, se evaluarán los criterios de valoración del estudio por cohorte de dosis y en general.
    Fase II:
    • Tasa de RC (RC + RCh) en la población adulta.
    • Frecuencia, duración y gravedad de los AAST, los AART y los AAG.
    • Incidencia y variaciones de las anomalías analíticas clínicamente significativas.
    • Cambio respecto al inicio en otras observaciones relacionadas con la seguridad, incluidos los ECG, las constantes vitales, los signos observados durante las exploraciones oftálmicas y el estado funcional.

    En la fase II, los criterios de valoración se evaluarán por cohorte de enfermedad y en general
    E.5.1.1Timepoint(s) of evaluation of this end point
    AEs: BLN, C1(Day 3/4, 7/8, 10/11, 14/15, 17/18, 21/22), C2(D1,D15), ≥C3D1, EoT, Safety f/up
    ECG: SCR, BLN, C1(Day 1, 2, 3/4, 7/8, 14/15, 21/22), C2D15, ≥C3D1, Safety f/up
    Holter Monitoring (Phase I): BLN
    Vital signs: SCR, BLN, C1(Day 1, 2, 3/4, 7/8, 10/11, 14/15), C2(D1,D15), C3D1, EoT, Safety f/up
    Ophthalmologic exam: SCR, ≥C3D1, EoT, Safety f/up
    Performance Status: SCR, BLN, ≥C2D1, C3D1, Safety f/up
    Hematology: SCR, BLN, C1(D 3/4, 7/8, 10/11, 14/15, 17/18, 21/22), ≥C2D1, C3D1, EoT, Safety f/up
    Clinical Chemistry: SCR, BLN, C1(Day 2, 3/4, 7/8, 10/11, 14/15, 17/18, 21/22); ≥C2D1, C3D1, EoT, Safety f/up
    Urinalysis: BLN, C2D1, C3D1, EoT, Safety f/up
    PK: BLN, C1(Day 2, 3/4, 7/8, 14/15), C2D15, ≥C3D1

    SCR=screening; BLN=Baseline; EoT=End of Treatment; f/up=follow-up
    AA: Basal, C1 (día 3/4,7/8,10/11,14/15,17/18,21/22), C2(D1,D15), ≥D1C3, FdT, Seg. seguridad.
    ECG: Sel., Basal, C1 (día 1, 2,3/4,7/8,14/15,21/22), D15C2, ≥D1C3, Seg. seguridad.
    Holter (fase I): Basal.
    Constantes: Sel., Basal, C1 (día 1, 2,3/4,7/8,10/11,14/15), C2(D1,D15),D1C3, FdT, Seg. seguridad..
    Exploración oftálmica: Sel., ≥D1C3, FdT, Seg. seguridad.
    Estado funcional: Sel., Basal, ≥D1C2, D1C3, Seg. seguridad.
    Hematología: Sel., Basal, C1 (día 3/4,7/8,10/11,14/15,17/18,21/22), ≥D1C2,D1C3, FdT, Seg. seguridad.
    Bioquímica: Sel., Basal, C1 (día 2, 3/4,7/8,10/11,14/15,17/18,21/22);≥D1C2D1C3,FdT, Seg. seguridad.
    Análisis de orina: Basal,D1C2,D1C3,FdT, Seg. seguridad.
    B: Basal; Sel.: selección; FdT = fin del tratamiento Seg. seguridad: seguimiento de seguridad
    E.5.2Secondary end point(s)
    Phase 1:
    Note that no secondary endpoints have been defined for Phase 1.

    Phase 2:
    • Complete remission (CR) rate (CR+CRh) in adult and pediatric population combined.
    • Transfusion independence, defined as any transfusion-free period lasting for 28 consecutive days, while on treatment.
    • CRc rate (ie, CR+CRh+CRi+CRp).
    • Best overall remission rate (CRc+PR).
    • Time to response
    • Duration of response
    • Event free survival
    • Overall survival
    • PK parameters: Cmax, Tmax, AUC0–t, AUC0–24, CL/F, Vz/F, and t1/2.
    Fase I:
    Tenga en cuenta que no se ha definido ningún criterio de valoración secundario para la fase I.
    Fase II:
    • Tasa de remisión completa (RC) (RC + RCh) en la población adulta y pediátrica combinada.
    • Independencia de transfusiones, definido como cualquier periodo sin transfusiones que dure 28 días consecutivos, durante el tratamiento.
    • Tasa de RCc (es decir, RC + RCh + RCi + RCp).
    • Mejor tasa de remisión global (RCc + RP).
    • Tiempo que transcurre hasta la respuesta.
    • Duración de la respuesta.
    • Supervivencia sin acontecimientos.
    • Supervivencia global.
    • Parámetros FC: Cmáx, Tmáx, ABC0–t, ABC0–24, CL/F, Vz/F y t1/2.
    E.5.2.1Timepoint(s) of evaluation of this end point
    Disease assessments: throughout the duration of the study.
    PK: as above
    Evaluaciones de la enfermedad: a lo largo de la duración del estudio.
    FC: como lo indicado anteriormente
    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 Yes
    E.6.13.1Other scope of the trial description
    Tolerability
    Tolerabilidad
    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 No
    E.8.1.1Randomised No
    E.8.1.2Open Yes
    E.8.1.3Single blind No
    E.8.1.4Double blind No
    E.8.1.5Parallel group No
    E.8.1.6Cross over No
    E.8.1.7Other No
    E.8.2 Comparator of controlled trial
    E.8.2.1Other medicinal product(s) No
    E.8.2.2Placebo No
    E.8.2.3Other No
    E.8.2.4Number of treatment arms in the trial1
    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 concerned2
    E.8.5The trial involves multiple Member States Yes
    E.8.5.1Number of sites anticipated in the EEA11
    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
    Australia
    Canada
    Israel
    United States
    France
    Netherlands
    Spain
    Germany
    Italy
    E.8.7Trial has a data monitoring committee No
    E.8.8 Definition of the end of the trial and justification where it is not the last visit of the last subject undergoing the trial
    Last visit of the last subject.
    Note that after the Safety Follow-up visit all patients will be followed for long-term survival status via telephone contact or office visit until death or closure of the study by the Sponsor.
    Última visita del último paciente.
    Tenga en cuenta que, después de la visita de seguimiento de la seguridad, se someterá a todos los pacientes a un seguimiento de la supervivencia a largo plazo mediante contacto telefónico o visitas al consultorio, hasta la muerte o el cierre del estudio por parte del promotor.
    E.8.9 Initial estimate of the duration of the trial
    E.8.9.1In the Member State concerned years3
    E.8.9.1In the Member State concerned months3
    E.8.9.1In the Member State concerned days0
    E.8.9.2In all countries concerned by the trial years4
    E.8.9.2In all countries concerned by the trial months5
    E.8.9.2In all countries concerned by the trial days27
    F. Population of Trial Subjects
    F.1 Age Range
    F.1.1Trial has subjects under 18 Yes
    F.1.1Number of subjects for this age range: 49
    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) Yes
    F.1.1.4.1Number of subjects for this age range: 5
    F.1.1.5Children (2-11years) Yes
    F.1.1.5.1Number of subjects for this age range: 15
    F.1.1.6Adolescents (12-17 years) Yes
    F.1.1.6.1Number of subjects for this age range: 29
    F.1.2Adults (18-64 years) Yes
    F.1.2.1Number of subjects for this age range: 184
    F.1.3Elderly (>=65 years) Yes
    F.1.3.1Number of subjects for this age range: 100
    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 state25
    F.4.2 For a multinational trial
    F.4.2.1In the EEA 55
    F.4.2.2In the whole clinical trial 333
    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)
    No intervention following the completion of study participation is planned.
    No está prevista ninguna intervención una vez completada la participación en el estudio
    G. Investigator Networks to be involved in the Trial
    N. Review by the Competent Authority or Ethics Committee in the country concerned
    N.Competent Authority Decision Authorised
    N.Date of Competent Authority Decision2023-06-16
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2022-11-25
    P. End of Trial
    P.End of Trial StatusOngoing
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