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    Summary
    EudraCT Number:2017-004565-27
    Sponsor's Protocol Code Number:PonaZero_study
    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:2018-09-17
    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 number2017-004565-27
    A.3Full title of the trial
    Multicenter, Open-Label, Single Arm, Phase II Exploratory Study to Evaluate the Effect of a One-Year Consolidation Treatment with Ponatinib 15 mg on Treatment Free-Remission Rate in Patients with Philadelphia-Positive Chronic Myeloid Leukemia, who had previously Achieved a Deep Molecular Response with Imatinib
    Multicéntrico, abierto, brazo único, fase II, Estudio exploratorio para evaluar el efecto de un año de consolidación de tratamiento con ponatinib 15 mg en la tasa de paciente con leucemia mieloide crónica filadelfia positivo en remisión libre de tratamiento que previamente habían alcanzado respuesta molecular profunda con imatinib
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    Multicenter, Open-Label, Single Arm, Phase II Exploratory Study to Evaluate the Effect of a One-Year Consolidation Treatment with Ponatinib 15 mg on Treatment Free-Remission Rate in Patients with Philadelphia-Positive Chronic Myeloid Leukemia, who had previously Achieved a Deep Molecular Response with Imatinib
    Multicéntrico, abierto, brazo único, fase II, Estudio exploratorio para evaluar el efecto de un año de consolidación de tratamiento con ponatinib 15 mg en la tasa de paciente con leucemia mieloide crónica filadelfia positivo en remisión libre de tratamiento que previamente habían alcanzado respuesta molecular profunda con imatinib
    A.4.1Sponsor's protocol code numberPonaZero_study
    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 SponsorFUNDACIÓN TEÓFILO HERNANDO
    B.1.3.4CountrySpain
    B.3.1 and B.3.2Status of the sponsorNon-Commercial
    B.4 Source(s) of Monetary or Material Support for the clinical trial:
    B.4.1Name of organisation providing supportINCYTE
    B.4.2CountrySpain
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationFUNDACIÓN TEÓFILO HERNANDO
    B.5.2Functional name of contact pointBegoña Maestro Gutiérrez
    B.5.3 Address:
    B.5.3.1Street AddressC/Faraday, 7
    B.5.3.2Town/ cityMadrid
    B.5.3.3Post code28049
    B.5.3.4CountrySpain
    B.5.4Telephone number0034911923700
    B.5.6E-mailbegona.maestro@ifth.es
    D. IMP Identification
    D.IMP: 1
    D.1.2 and D.1.3IMP RoleTest
    D.2 Status of the IMP to be used in the clinical trial
    D.2.1IMP to be used in the trial has a marketing authorisation Yes
    D.2.1.1.1Trade name Iclusig 15 mg
    D.2.1.1.2Name of the Marketing Authorisation holderIncyte Biosciences UK Ltd.
    D.2.1.2Country which granted the Marketing AuthorisationSpain
    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 nameIclusig 15 mg
    D.3.4Pharmaceutical form Tablet
    D.3.4.1Specific paediatric formulation No
    D.3.7Routes of administration for this IMPOral use
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNponatinib
    D.3.9.1CAS number 943319-70-8
    D.3.9.3Other descriptive namePONATINIB
    D.3.9.4EV Substance CodeSUB91901
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number15
    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
    Chronic myeloid leukemia in chronic phase (CML-CP) on imatinib treatment for a minimum of 4 years with confirmed stable deep molecular response (MR4) for a minimum of 12 months prior to enrolment and no prior accelerated phase/blast crisis (AP/BC) or stem cell transplant (SCT).
    leucemia mieloide crónica en fase crónica (CML-CP) en tratamiento con imatinib durante un mínimo de 4 años con respuesta molecular profunda estable confirmada (MR4) durante un mínimo de 12 meses antes de la inclusión y sin crisis previa acelerada de fase / explosión (AP / BC ) o trasplante de células madre (SCT).
    E.1.1.1Medical condition in easily understood language
    Treatment for Chronic myeloid leukemia in chronic
    Tratamiento para la leucemina mieloide cronica
    E.1.1.2Therapeutic area Diseases [C] - Blood and lymphatic diseases [C15]
    MedDRA Classification
    E.1.3Condition being studied is a rare disease No
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    The primary objective is to evaluate the proportion of patients without confirmed loss of MR4 or loss of MMR (don’t require confirmation) within 52 weeks following ponatinib therapy cessation.
    El objetivo principal es evaluar la proporción de pacientes sin pérdida confirmada de MR4 o pérdida de la MMR (no requieren confirmación) dentro de las 52 semanas posteriores al cese de la terapia con ponatinib.
    E.2.2Secondary objectives of the trial
    • To evaluate the proportion of patients without confirmed loss of MMR within 78, and 104 weeks following cessation of ponatinib therapy.
    • To estimate progression-free survival (PFS) from the date of ponatinib cessation to the date of the earliest of this event.
    • Treatment-free survival (TFS), defined as lack of any of the following: loss of MMR, confirmed loss of MR4, restart of imatinib treatment,
    progression of AP/BC, or death from any cause.
    • To estimate overall survival (OS), defined as the time from the date of cessation of ponatinib therapy to the date of death from any cause.
    • Proportion of patients who regain MR4 within 24 weeks of imatinib treatment re-initiation following confirmed loss of MR4 or loss of MMR in the
    24 weeks subsequent to ponatinib cessation.
    • Kinetics of BCR-ABL transcript levels (IS) after restart of imatinib therapy.
    Evaluar proporción de pacientes pérdida de MMR no confirmada dentro de las 78 y 104 semanas despues al cese de la terapia con ponatinib. Estimar supervivencia libre de progresión (TFS) desde fecha de cese de ponatinib hasta fecha inicio del evento. Supervivencia sin tratamiento (TFS), definida como la falta de cualquiera de los siguientes: pérdida de la MMR, pérdida de MR4 confirmada, reinicio del tratamiento con imatinib, progresión de AP / BC o muerte por cualquier causa. Estimar la supervivencia general (OS), definida como el tiempo desde la fecha de cese del tratamiento con ponatinib hasta fecha de fallecimiento por cualquier causa. Proporción pacientes que recuperan MR4 dentro de las 24 semanas posteriores al reinicio del tratamiento con imatinib después de la pérdida de MR4 confirmada o la pérdida de la MMR no confirmada en las 24 semanas posteriores al cese del ponatinib. Cinética de los niveles de transcripción BCR-ABL (IS) después del reinicio de la terapia con imatinib.
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    Patients must meet all of the following criteria to be eligible for the study:
    1 Male or female patients ≥ 18 years of age.
    2 ECOG performance status of 0, 1, or 2.
    3 Patient with diagnosis of BCR-ABL positive CML-CP.
    4 Patient has received a minimum of 4 years of imatinib treatment, as unique TKI therapy.
    5 Patient has achieved MR4 during at least 12 months with imatinib treatment, and determined by PCR lab assessment at screening.
    6 Adequate end organ function as defined by:
    a. Total bilirubin ≤ 1.5 x ULN except for i) patients with documented Gilbert’s syndrome for whom any bilirubin value is allowed and ii) for patients with asymptomatic hyperbilirubinemia (liver transaminases and alkaline phosphatase within normal range),
    b. SGOT(AST) and SGPT(ALT) ≤ 2.5 x ULN (upper limit of normal),
    c. Serum lipase and amylase ≤ 1.5 x ULN,
    d. Alkaline phosphatase ≤ 2.5 x ULN,
    e. Serum creatinine ≤ 1.5 x ULN.
    7 Patients must have the following electrolyte values ≥ LLN limits or corrected to within normal limits with supplements prior to the first dose of study medication:
    a. Potassium,
    b. Magnesium,
    c. Total calcium (corrected for serum albumin),
    8 Patients must have normal marrow function as defined below:
    a. Absolute neutrophil count (ANC) ≥ 1.5 x 109/L,
    b. Platelets ≥ 100 x 109/L,
    c. Hemoglobin > 9.0 g/dL
    9 Patients with preexisting, well-controlled, diabetes are not excluded.
    10 Have normal QTcF interval on screening ECG evaluation, defined as QTcF of ≤ 450 ms in males or ≤ 470 ms in females.
    11 Have a negative pregnancy test documented prior to enrollment (for females of childbearing potential). Women of child-bearing potential, defined as all women physiologically capable of becoming pregnant, must have a negative serum pregnancy test before initiation of study treatment and must also use highly effective methods of contraception while enrolled in the study. The use of highly effective contraception should continue for at least 14 days after the last dose of study treatment or until the last day of TFR or for the duration of a monthly cycle of oral contraception, whichever is longer.
    12 Be willing and able to comply with scheduled visits and study procedures.
    13 Written informed consent obtained prior to any screening procedures.
    Los pacientes deben cumplir con todos los criterios de inclusión para ser elegibles para incluirse en el estudio:
    1. Pacientes masculinos o femeninos ≥ 18 años de edad.
    2. Escala ECOG de 0, 1 o 2.
    3. Paciente con diagnóstico de CML-CP positivo para BCR-ABL.
    4. El paciente recibió un mínimo de 4 años de tratamiento con imatinib, como única terapia con TKI.
    5. El paciente tratado con imatinib ha logrado MR4 durante al menos 12 meses, y se confirma esta respuesta molecular durante la visita de selección del paciente.
    6. Función orgánica adecuada definido por:
    a. Bilirrubina total ≤ 1,5 x LSN, excepto para
    i. Pacientes con síndrome de Gilbert documentado para los que se permite cualquier valor de bilirrubina y
    ii. Pacientes con hiperbilirrubinemia asintomática (transaminasas hepáticas y fosfatasa alcalina dentro del rango normal),
    b. SGOT (AST) y SGPT (ALT) ≤ 2,5 x LSN (límite superior de la normalidad),
    c. Lipasa y amilasa sérica ≤ 1,5 x LSN,
    d. Fosfatasa alcalina ≤ 2.5 x ULN,
    e. Creatinina sérica ≤ 1,5 x ULN.
    7. Los pacientes deben tener los siguientes valores de electrolitos ≥ Límite menor de la normalidad (LLN) o corregidos dentro de los límites normales con suplementos antes de la primera dosis de la medicación del estudio:
    a. Potasio,
    b. Magnesio,
    c. Calcio total (corregido por albúmina sérica),
    8. Los pacientes deben tener la función normal de la médula ósea según se define a continuación:
    a. Recuento absoluto de neutrófilos (ANC) ≥ 1.5 x 109 / L,
    b. Plaquetas ≥ 100 x 109 / L,
    c. Hemoglobina> 9.0 g / dL
    9. No se excluyen los pacientes con diabetes preexistente y bien controlada.
    10. Tener un intervalo QTcF normal en la evaluación del ECG de detección, definido como QTcF de ≤ 450 ms en hombres o ≤ 470 ms en mujeres.
    11. Tener una prueba de embarazo negativa documentada antes de la inclusión del paciente (para mujeres en edad fértil). Las mujeres en edad fértil, definidas como todas las mujeres fisiológicamente capaces de quedar embarazadas, deben tener una prueba de embarazo en suero negativa antes de iniciar el tratamiento del estudio y también deben usar métodos anticonceptivos altamente efectivos mientras se estén participando en el estudio. El uso de anticonceptivos altamente efectivos debe continuar durante al menos 14 días después de la última dosis del tratamiento del estudio o hasta el último día de la TFR o durante el ciclo mensual de anticoncepción oral, el que sea más amplio.
    12. Estar dispuesto y ser capaz de cumplir con las visitas programadas y los procedimientos de estudio.
    13. Consentimiento informado por escrito obtenido antes de cualquier procedimiento de evaluación.
    E.4Principal exclusion criteria
    Patients are not eligible for participation in the study if they meet any of the following exclusion criteria:
    1 Prior AP, BC or autologous or allogenic transplant.
    2 Patients with known atypical transcript. An atypical transcript is defined by the presence of any transcript in the absence of the major transcripts b3a2 (e14a2) and b2a2 (e13a2) or p210 protein.
    3 CML treatment resistant mutation(s) (T315I, E255K/V, Y253H, F359C/V) detected if a testing was done in the past (there is no requirement to perform mutation testing at study entry if it was not done in the past).
    4 Are taking medications with a known risk of torsades de pointes (Appendix A)
    5 Patient ever attempted to permanently discontinue imatinib or ponatinib treatment.
    6 Severe and/or uncontrolled concurrent medical disease that in the opinion of the investigator could cause unacceptable safety risks or compromise compliance with the protocol (e.g., uncontrolled diabetes (defined as HbA1c > 9%), uncontrolled infection).
    7 Have clinically significant, uncontrolled, or active cardiovascular disease, specifically including, but not restricted to:
    a. Any history of MI, unstable angina, cerebrovascular accident, or TIA,
    b. Any history of peripheral vascular infarction, including visceral infarction,
    c. Any revascularization procedure, including the placement of a stent,
    d. Congestive heart failure (NYHA class III or IV) within 6 months prior to enrollment, or LVEF less than lower limit of normal, per local institutional standards, within 6 months prior to enrollment,
    e. History of clinically significant (as determined by the treating physician) atrial arrhythmia or any history of ventricular arrhythmia,
    f. Venous thromboembolism, including deep venous thrombosis or pulmonary embolism, within 6 months prior to enrollment
    8 Have uncontrolled hypertension (diastolic blood pressure > 90 mmHg; systolic > 150 mmHg). Patients with hypertension should be under treatment on study entry to effect blood pressure control.
    9 Have a history of alcohol abuse.
    10 History of acute pancreatitis within 1 year prior to study entry or past medical history of chronic pancreatitis.
    11 Have malabsorption syndrome or other gastrointestinal illness that could affect oral absorption of study drug.
    12 Known presence of a significant congenital or acquired bleeding disorder unrelated to cancer.
    13 Have a history of another malignancy, other than cervical cancer in situ or no metastatic basal cell or squamous cell carcinoma of the skin; the exception is if patients have been disease-free for at least 5 years, and are deemed by the investigator to be at low risk for recurrence of that malignancy.
    14 Have undergone surgery (with the exception of minor surgical procedures, such as catheter placement) within 14 days prior to first dose of ponatinib.
    15 Treatment with other investigational agents (defined as not used in accordance with the approved indication) within 4 weeks of Day 1.
    16 Patients actively receiving therapy with strong CYP3A4 inhibitors and/or inducers, and the treatment cannot be either discontinued or switched to a different medication prior to study entry. See Appendix B for a list of these medications. This list may not be comprehensive.
    17 Patients actively receiving therapy with herbal medicines that are strong CYP3A4 inhibitors and/or inducers, and the treatment cannot be either discontinued or switched to a different medication prior to study entry. These herbal medicines may include Echinacea, (including E. purpurea, E. angustifolia and E. pallida), Piperine, Artemisinin, St. John’s Wort, and Ginkgo.
    18 Patients who are currently receiving treatment with any medications that have the potential to prolong the QT interval and the treatment cannot be either safely discontinued or switched to a different medication prior to study entry. (Please see Appendix A for a list of agents that prolong the QT interval)
    19 Have an ongoing or active infection; this includes, but is not limited to, the requirement for intravenous antibiotics.
    20 Have a known history of human immunodeficiency virus infection; testing is not required in the absence of prior documentation or known history.
    21 Have hypersensitivity to the ponatinib active substance or to any of its inactive ingredients.
    22 Pregnant or nursing (lactating) women, where pregnancy is defined as the state of a female after conception and until the termination of gestation, confirmed by a positive hCG laboratory test.
    Los pacientes no son elegibles para participar en el estudio si cumplen con alguno de los siguientes criterios de exclusión:
    1 AP previo, BC o trasplante autógeno o alogénico.
    2 Pacientes con transcripción atípica conocida. Un transcrito atípico se define por la presencia de cualquier transcripción en ausencia de los principales transcritos b3a2 (e14a2) y b2a2 (e13a2) o proteína p210.
    Se detectaron 3 mutaciones resistentes al tratamiento de CML (T315I, E255K / V, Y253H, F359C / V) si se realizó una prueba en el pasado (no es necesario realizar una prueba de mutación al ingreso al estudio si no se realizó en el pasado )
    4 Están tomando medicamentos con un riesgo conocido de torsades de pointes (Apéndice A)
    5 El paciente alguna vez intentó suspender permanentemente el tratamiento con imatinib o ponatinib.
    6 Enfermedad médica concurrente grave y / o no controlada que, en opinión del investigador, podría causar riesgos de seguridad inaceptables o comprometer el cumplimiento del protocolo (p. Ej., Diabetes no controlada (definida como HbA1c> 9%), infección no controlada).
    7 Tiene una enfermedad cardiovascular clínicamente significativa, no controlada o activa, que incluye específicamente, pero no se limita a:
    a. Cualquier historial de IM, angina inestable, accidente cerebrovascular o AIT,
    b. Cualquier historial de infarto vascular periférico, incluido infarto visceral,
    c. Cualquier procedimiento de revascularización, incluida la colocación de un stent,
    d. Insuficiencia cardíaca congestiva (NYHA clase III o IV) dentro de los 6 meses anteriores a la inscripción, o LVEF menor que el límite inferior de la normalidad, según los estándares institucionales locales, dentro de los 6 meses anteriores a la inscripción,
    e. Historial de arritmia auricular clínicamente significativa (según lo determine el médico tratante) o cualquier historial de arritmia ventricular,
    F. Tromboembolismo venoso, incluida la trombosis venosa profunda o la embolia pulmonar, dentro de los 6 meses anteriores a la inclusión
    8 Tiene hipertensión no controlada (presión arterial diastólica> 90 mmHg, sistólica> 150 mmHg). Los pacientes con hipertensión deben estar bajo tratamiento al ingresar al estudio para controlar la presión arterial.
    9 Tener un historial de abuso de alcohol.
    10 Antecedentes de pancreatitis aguda dentro de 1 año antes del ingreso al estudio o antecedentes médicos de pancreatitis crónica.
    11 Tiene síndrome de malabsorción u otra enfermedad gastrointestinal que podría afectar la absorción oral del fármaco del estudio.
    12 Presencia conocida de un trastorno hemorrágico congénito o adquirido significativo no relacionado con el cáncer.
    13 Tener un historial de otra neoplasia maligna, distinta del cáncer de cuello uterino in situ o sin metástasis de células basales o carcinoma de células escamosas de la piel; la excepción es si los pacientes han estado libres de la enfermedad durante al menos 5 años y el investigador considera que tienen un bajo riesgo de recurrencia de esa malignidad.
    14 Se han sometido a cirugía (con la excepción de procedimientos quirúrgicos menores, como la colocación del catéter) dentro de los 14 días anteriores a la primera dosis de ponatinib.
    15 Tratamiento con otros agentes de investigación (definidos como no utilizados de acuerdo con la indicación aprobada) dentro de las 4 semanas del Día 1.
    16 Pacientes que reciben terapia activa con inhibidores y / o inductores potentes de CYP3A4, y el tratamiento no se puede suspender ni cambiar a otro medicamento antes del ingreso al estudio. Ver el Apéndice B para una lista de estos medicamentos. Esta lista puede no ser completa.
    17 Los pacientes que reciben terapia con hierbas medicinales que son inhibidores y / o inductores potentes de CYP3A4, y el tratamiento no se puede suspender o cambiar a otro medicamento antes del ingreso al estudio. Estas hierbas medicinales pueden incluir Echinacea, (incluyendo E. purpurea, E. angustifolia y E. pallida), Piperine, Artemisinin, St. John's Wort, y Ginkgo.
    18 Los pacientes que actualmente reciben tratamiento con cualquier medicamento que tenga el potencial de prolongar el intervalo QT y el tratamiento no se pueden suspender de manera segura o cambiar a un medicamento diferente antes del ingreso al estudio. (Consulte el Apéndice A para ver una lista de agentes que prolongan el intervalo QT)
    19 Tener una infección activa o en curso; esto incluye, pero no se limita a, el requisito de antibióticos por vía intravenosa.
    20 Tener un historial conocido de infección por el virus de la inmunodeficiencia humana; no se requieren pruebas en ausencia de documentación previa o historial conocido.
    21 Hipersensibilidad a la sustancia activa de ponatinib oa cualquiera de sus ingredientes inactivos.
    22 Mujeres embarazadas o en lactancia (lactantes), donde el embarazo se define como el estado de una mujer después de la concepción y hasta el final de la gestación, confirmada por una prueba de laboratorio de hCG positiva.
    E.5 End points
    E.5.1Primary end point(s)
    The primary efficacy variable is the binary outcome variable, proportion of patients without confirmed loss of MR4 or loss of MMR within 52 weeks following ponatinib TFR. This variable is defined as the number of patients with no documented confirmed loss of MR4 or no loss of MMR and no restarting of imatinib therapy in the first 52 weeks after starting ponatinib TFR phase divided by the number of patients who entered ponatinib TFR phase with confirmed loss of MR4 or loss of MMR.
    La variable de eficacia principal es la variable de resultado binaria, la proporción de pacientes sin pérdida confirmada de MR4 o pérdida de la MMR dentro de las 52 semanas posteriores a la TGF de ponatinib. Esta variable se define como el número de pacientes sin pérdida confirmada documentada de MR4 o sin pérdida de MMR y sin reanudar la terapia con imatinib en las primeras 52 semanas después de comenzar la fase de TGFR de ponatinib dividida por el número de pacientes que ingresaron a la fase de TGFR de ponatinib con confirmación pérdida de MR4 o pérdida de MMR.
    E.5.1.1Timepoint(s) of evaluation of this end point
    52 weeks following ponatinib Treatment-Free Remission
    52 semanas de fase libre de tratamiento
    E.5.2Secondary end point(s)
    • Proportion of patients without confirmed loss of MR4 or loss of MMR within 104 weeks following discontinuation of ponatinib treatment. This proportion of patients is calculated by dividing the number of patients with no documented confirmed loss of MR4 or loss MMR and no re-initiation of imatinib treatment in 104 weeks following discontinuation of ponatinib by the number of patients who attempted to cease ponatinib treatment.
    • Progression free survival (PFS): The estimation of PFS following ponatinib cessation will use the Kaplan-Meier (KM) method. PFS is measured from the date of cessation of ponatinib therapy to the date of the earliest of this event: progression to AP/BC or death from any cause. Patients not known to have progressed or died on or before the cut-off date for the KM analysis will have their PFS interval right-censored at the earlier of the date of their last assessment of molecular response status and the cut-off date.
    • Treatment-free survival: TFS is defined as lack of any of the following: loss of MMR, confirmed loss of MR4, restart of imatinib treatment, progression to AP/BC or death from any cause. TFS is measured from the date of cessation of ponatinib therapy to the date of the earliest of this event.
    • Overall survival (OS): OS is defined as the time from the date of cessation of ponatinib therapy to the date of death from any cause. If a patient is not known to have died, survival will be censored at the date of last contact. Similar method of analysis will be used to estimate time to regain MR4 from the date of re-start imatinib treatment.
    • The proportion of patients who regain MR4 within 52 weeks of imatinib treatment re- initiation following confirmed loss of MR4 or loss of MMR in the first 52 weeks subsequent to ponatinib cessation will also be calculated by dividing the number of patients who re-achieve MR4 within 52 weeks of imatinib treatment re-initiation, following confirmed loss of MR4 or loss of MMR in the first 52 weeks subsequent to ponatinib cessation, by the number of patients who ceased ponatinib therapy and subsequently had confirmed loss of MR4 or lost MMR in the first 52 weeks following ponatinib cessation and re-initiated imatinib treatment. In the calculation of this proportion (rate of patients who regained MR4 after treatment re-initiation following confirmed loss of MR4 or loss of MMR subsequent to ponatinib cessation), patients who drop out early without regaining MR4 during the re-treatment period will be considered to be unsuccessful reinductions of MR4 and will be counted in the denominator in the calculation of the rate.
    • Kinetics of BCR-ABL transcript levels (IS) after restart of imatinib therapy
    • Proporción de pacientes sin pérdida confirmada de MR4 o pérdida de la MMR dentro de las 104 semanas posteriores a la interrupción del tratamiento con ponatinib. Esta proporción de pacientes se calcula dividiendo el número de pacientes sin pérdida confirmada documentada de MR4 o MMR con pérdida y sin reinicio del tratamiento con imatinib en 104 semanas después de la suspensión de ponatinib por el número de pacientes que intentaron interrumpir el tratamiento con ponatinib.
    • Supervivencia libre de progresión (PFS): la estimación de PFS después del cese de ponatinib utilizará el método de Kaplan-Meier (KM). La SLP se mide desde la fecha de cese de la terapia con ponatinib hasta la fecha más temprana de este evento: progresión a AP / BC o muerte por cualquier causa. Los pacientes que no se sabe que han progresado o fallecido en o antes de la fecha de corte para el análisis KM tendrán su intervalo PFS censurado a la derecha en la fecha más temprana de su última evaluación del estado de respuesta molecular y la fecha de corte.
    • Supervivencia libre de tratamiento: la SST se define como la falta de cualquiera de los siguientes: pérdida de la MMR, pérdida confirmada de MR4, reinicio del tratamiento con imatinib, progresión a AP / BC o muerte por cualquier causa. La TFS se mide desde la fecha de cese de la terapia con ponatinib hasta la fecha de inicio de este evento.
    • Supervivencia global (OS): la SG se define como el tiempo desde la fecha de cese de la terapia con ponatinib hasta la fecha de fallecimiento por cualquier causa. Si no se sabe que un paciente murió, la supervivencia se censurará en la fecha del último contacto. Se utilizará un método de análisis similar para estimar el tiempo de recuperación de MR4 a partir de la fecha de reinicio del tratamiento con imatinib.
    • La proporción de pacientes que recuperan MR4 dentro de las 52 semanas de reiniciar el tratamiento con imatinib después de la pérdida confirmada de MR4 o la pérdida de MMR en las primeras 52 semanas posteriores al cese de ponatinib también se calculará dividiendo el número de pacientes que vuelven a alcanzar MR4 dentro de las 52 semanas posteriores al reinicio del tratamiento con imatinib, después de la pérdida confirmada de MR4 o pérdida de la MMR en las primeras 52 semanas posteriores al cese del ponatinib, por el número de pacientes que interrumpieron el tratamiento con ponatinib y posteriormente confirmaron la pérdida de MR4 o la MMR perdida en el primeras 52 semanas después del cese del ponatinib y reiniciado el tratamiento con imatinib. En el cálculo de esta proporción (índice de pacientes que recuperaron MR4 después del reinicio del tratamiento después de la pérdida confirmada de MR4 o pérdida de MMR después del cese de ponatinib), se considerarán los pacientes que abandonan prematuramente sin recuperar MR4 durante el período de retratamiento. ser reinducciones fallidas de MR4 y se contarán en el denominador en el cálculo de la tasa.
    • Cinética de los niveles de transcripción BCR-ABL (IS) después del reinicio de la terapia con imatinib
    E.5.2.1Timepoint(s) of evaluation of this end point
    From start to end of study
    Desde el inicio hasta el final del ensayo
    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 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 concerned11
    E.8.5The trial involves multiple Member States No
    E.8.6 Trial involving sites outside the EEA
    E.8.6.1Trial being conducted both within and outside the EEA No
    E.8.6.2Trial being conducted completely outside of the EEA No
    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
    LVLS
    LVLS
    E.8.9 Initial estimate of the duration of the trial
    E.8.9.1In the Member State concerned years
    E.8.9.1In the Member State concerned months36
    E.8.9.1In the Member State concerned days
    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: 40
    F.1.3Elderly (>=65 years) No
    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 No
    F.3.3.1Women of childbearing potential not using contraception No
    F.3.3.2Women of child-bearing potential using contraception No
    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 state11
    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)
    At the decision of the investigator according to usual clinical practice
    A decisión del investigador según práctica clínica habitual
    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 Decision2018-11-15
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2018-10-18
    P. End of Trial
    P.End of Trial StatusOngoing
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