- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT00042991
Gefitinib and Radiation Therapy in Treating Children With Newly Diagnosed Gliomas
Phase I/II Trial of Gefitinib and Radiation in Pediatric Patients Newly Diagnosed With Brain Stem Tumors or Incompletely Resected Supratentorial Malignant Gliomas With Phase II Limited to Brain Stem Tumors
Descripción general del estudio
Estado
Condiciones
- Glioma de tronco encefálico infantil no tratado
- Astrocitoma anaplásico infantil no tratado
- Oligodendroglioma anaplásico infantil no tratado
- Glioblastoma de células gigantes infantil no tratado
- Glioblastoma infantil no tratado
- Gliomatosis cerebral infantil no tratada
- Gliosarcoma infantil no tratado
- Oligodendroglioma infantil no tratado
Intervención / Tratamiento
Descripción detallada
PRIMARY OBJECTIVES:
I. To define the safety of gefitinib administered in conjunction with irradiation in children with newly diagnosed non-disseminated diffuse intrinsic brainstem gliomas and newly diagnosed incompletely resected supratentorial malignant gliomas (STMG) not receiving enzyme inducing anticonvulsant drugs (EIACDs).
II. To define the safety of gefitinib in children with newly diagnosed, incompletely resected STMG receiving EIACDs.
III. To assess the safety and efficacy of gefitinib given with radiation therapy in children newly diagnosed with a brainstem glioma as measured by progression-free survival and to estimate the survival distribution.
SECONDARY OBJECTIVES:
I. To compare hemodynamic magnetic resonance (MR) parameters to metabolic fludeoxyglucose F 18 (FDG)-positron emission tomography (PET) scanning and correlate both with clinical response or progression in this population.
II. To characterize the expression of ErbB1 receptors in tissue from STMG patients using immunohistochemistry and western blot assays.
III. To characterize the pharmacokinetics of gefitinib in the above patient groups and determine the effects of EIACD on the pharmacokinetics.
IV. To explore the pharmacogenetic polymorphisms for gefitinib (e.g., CYP3A4/5 and BCRP) and relate them to gefitinib pharmacokinetics and pharmacodynamics (phenotype-genotype).
OUTLINE: This is a multicenter, dose-escalation study of gefitinib (Phase I closed to accrual effective 10/27/2003). Patients are stratified according to the following:
Stratum 1A: Intrinsic brain stem glioma; not receiving concurrent enzyme-inducing anticonvulsant drugs (EIACDs) Stratum 1B: Incompletely resected supratentorial malignant gliomas (STMG); not receiving concurrent EIACDs Stratum 2: Incompletely resected STMG; receiving concurrent EIACDs.
Phase I portion (patients in strata 1A, 1B, and 2) (phase I closed to accrual effective 10/27/2003): Patients receive oral gefitinib once daily. Treatment repeats every 4 weeks for 13 courses (1 year). Patients also receive standard brain irradiation once daily, 5 days a week, for 6 weeks beginning concurrently with initiation of the first course of gefitinib. Treatment continues in the absence of disease progression or unacceptable toxicity.
Cohorts of 3-6 patients receive escalating doses of gefitinib until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 of 6 patients experience dose-limiting toxicity.
Phase II portion (patients in stratum 1A): Once the MTD or the recommended Phase-II dose is determined, additional patients who have newly diagnosed brain stem gliomas (BSG) are treated at the MTD or the recommended Phase-II dose.
Patients are followed for three months after the last protocol treatment for those enrolled strictly on the phase I component. Patients contributing to the phase II portion are followed until the earliest of date of death or three years after initiation of protocol therapy.
PROJECTED ACCRUAL: Considering the seven dose levels to be investigated in three strata, where each dose level can accrue up to six patients, a total of 126 patients (42 for each strata) may be accrued for this study within 2 years. (Phase I closed to accrual effective 10/27/2003). A total of 40 patients including the patients treated at the maximum tolerated dose or the recommended Phase-II dose during Phase I will be accrued for phase II of this study within 10 months.
Tipo de estudio
Inscripción (Actual)
Fase
- Fase 2
- Fase 1
Contactos y Ubicaciones
Ubicaciones de estudio
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Tennessee
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Memphis, Tennessee, Estados Unidos, 38105
- Pediatric Brain Tumor Consortium
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-
Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
Inclusion Criteria:
Tumor:
- Phase I: newly diagnosed non-disseminated diffuse intrinsic brainstem tumor or newly diagnosed (diagnostic scan must be within 4 weeks prior to treatment initiation), incompletely resected supratentorial malignant glioma (anaplastic astrocytoma, glioblastoma multiforme or other high-grade glioma) (STMG); the STMG group must have residual tumor evident on postoperative MRI or CT
- Phase II: only newly diagnosed non-disseminated diffuse intrinsic brain stem glioma patients are eligible
- Performance status: Karnofsky or Lansky >= 50% assessed within two weeks prior to registration
Prior/concurrent therapy:
- Chemotherapy: no prior therapy allowed, including prior gefitinib treatment
- Radiation therapy (XRT): no prior therapy allowed
- Bone marrow transplant: none prior
- Anti-convulsants: patients with brain stem glioma (BSG) receiving EIACD will not be eligible; patients with STMG will be eligible for this study even if they are receiving enzyme inducting anti-convulsant drugs (EIACD) and will be stratified by use of EIACDs
- Growth factors: off all colony forming growth factor(s) > 2 weeks prior to registration (G-CSF, GM-CSF, erythropoietin)
- ANC > 1,000/ul
- Platelets > 100,000/ul (transfusion independent)
- Hemoglobin > 8g/dl (may be transfused)
- Patients may have bone marrow involvement by disease
- Creatinine < 2 x normal for age or GFR > 70 ml/min/1.73m^2
- Bilirubin < 1.5 x normal institutional normal for age
- SGPT (ALT) < 3 x institutional normal for age
- Pregnant and/or lactating patients are excluded; patients of childbearing potential should not become pregnant and should not father a child during treatment with gefitinib; pregnancy tests must be obtained in girls who are post-menarchal; males or females of reproductive potential may not participate unless they have agreed to use an effective contraceptive method
- Signed informed consent according to institutional guidelines must be obtained prior to study entry
Exclusion Criteria:
- Patients with evidence of intramural hemorrhage on a scan obtained prior to enrollment or after enrollment, before treatment
- Patients with BSG must not be taking enzyme-inducing anticonvulsant drugs
- Patient must not be receiving any other anticancer or experimental drug therapy
- Patient must have no uncontrolled infection
- Patients with significant cardiac, hepatic, gastrointestinal, renal, pulmonary, or psychiatric disease are ineligible; patients with deep venous or arterial thrombosis within 6 weeks of study entry are ineligible
- Patients with disseminated disease are not permitted
- Patients with spinal disease requiring craniospinal radiation are not eligible
- Patients with completely resected supratentorial malignant gliomas patients are ineligible
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Propósito principal: Tratamiento
- Asignación: N / A
- Modelo Intervencionista: Asignación de un solo grupo
- Enmascaramiento: Ninguno (etiqueta abierta)
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
---|---|
Experimental: Treatment (gefitinib and radiation therapy)
Phase I portion: Patients receive oral gefitinib once daily. Treatment repeats every 4 weeks for 13 courses (1 year). Patients also receive standard brain irradiation once daily, 5 days a week, for 6 weeks beginning concurrently with initiation of the first course of gefitinib. Treatment continues in the absence of disease progression or unacceptable toxicity. Phase II portion: Once the MTD or the recommended Phase-II dose is determined, additional patients who have newly diagnosed BSG are treated at the MTD or the recommended Phase-II dose. |
Estudios correlativos
Administrado oralmente
Otros nombres:
Estudios correlativos
Otros nombres:
Undergo standard brain irradiation
Otros nombres:
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
---|---|---|
Number of Participants in Phase I Stratum 1A With Dose-limiting Toxicities (DLT) Observed During the First 8 Weeks of Gefitinib Therapy
Periodo de tiempo: Day 1 of gefitinib therapy to end of week 8
|
The dose limiting toxicity (DLT) analysis population consists of stratum 1A phase I participants who developed DLT during the maximum tolerated dose (MTD) estimation period (course 1 and 2) or who completed the MTD estimation period without DLTs.
DLTs observed during courses 1 and 2 were used to estimate the MTD based on the tradional 3+3 design, where a dose is considered a safe dose only when 0 out of 3, or at most 1 out of 6 patients has DLTs.
When two or more patients in a group of 2 to 6 patients had DLTs, then that dose level was considered to be too toxic.
|
Day 1 of gefitinib therapy to end of week 8
|
Median Progression-free Survival in Newly Diagnosed Brain Stem Gliomas
Periodo de tiempo: Assessed pre-radiation, every 8 weeks for 13 courses of therapy, and then every 12 weeks
|
Progression-free survival is defined as the interval from intiation of treatment to the earliest of disease progression (tumor increase of 25% over baseline tumor measurement; appearance of new lesion(s); or progressive/worsening neurlogical status) or death for patients who failed or to the last date of follow-up for patients without failure
|
Assessed pre-radiation, every 8 weeks for 13 courses of therapy, and then every 12 weeks
|
Median Survival in Newly Diagnosed Brain Stem Gliomas
Periodo de tiempo: Assessed from the start of therapy until three years after initiation of gefitinib therapy
|
Overall survival is defined as the interval from initiation of treatment to death or date of last contact for surviving patients
|
Assessed from the start of therapy until three years after initiation of gefitinib therapy
|
Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
---|---|---|
Proporción media de tumor a sustancia gris medida al inicio
Periodo de tiempo: Base
|
Este estudio intenta caracterizar los parámetros de neuroimagen de la tomografía por emisión de positrones.
Para cada paciente, se identificó la imagen axial a través del tumor que contenía la actividad máxima por píxel correspondiente a la mayor captación de fluorodesoxiglucosa (FDG) y se dibujó una región de interés (ROI) basada en la definición FDG del tumor.
Los valores medios de píxel dentro del ROI del tumor se normalizaron con los de la materia gris normal para proporcionar proporciones de tumor/materia gris.
Cada paciente tiene un valor medio de proporción de tumor a materia gris y se informa la mediana de estos valores entre pacientes.
|
Base
|
Change in Tumor Volume Measured on Fluid Attenuated Inversion Recovery (FLAIR) Imaging at Before the Protocol Therapy Started and at Two Weeks After Completion of Radiation
Periodo de tiempo: Baseline and two weeks post completion of radiation
|
This study attempted to investigate in an exploratory manner the effect of treatment on changes in various neuroimaging variables.
In this particular objective, the study aimed to investigate how radiation+gefitinib affect the tumor volume.
Tumor volume is measured using Fluid Attenuated Inversion Recovery (FLAIR) before and after the radiation therapy.
|
Baseline and two weeks post completion of radiation
|
Change From Baseline in Volume Enhancing at Two Weeks After Completion of Radiation
Periodo de tiempo: Baseline and two weeks post completion of radiation
|
This study attempted to investigate in an exploratory manner the effect of treatment on changes in various neuroimaging variables.
Neuroimaging changes may have some association with outcome (response,survival, etc.).
Volume enhancing is one parameter obtained from standard magnetic resonance imaging (MRI) studies of the brain.
|
Baseline and two weeks post completion of radiation
|
Change From Baseline in Diffusion Ratio at Two Weeks After Completion of Radiation
Periodo de tiempo: Baseline and two weeks post completion of radiation
|
This study attempted to investigate in an exploratory manner the effect of treatment on changes in various neuroimaging variables.
Neuroimaging changes may have some association with outcome (response,survival, etc.).
Diffusion ratio is one parameter obtained from standard magnetic resonance imaging (MRI) studies of the brain.
|
Baseline and two weeks post completion of radiation
|
Change From Baseline in Perfusion Ratio at Two Weeks After Completion of Radiation
Periodo de tiempo: Baseline and two weeks post completion of radiation
|
This study attempted to investigate in an exploratory manner the effect of treatment on changes in various neuroimaging variables.
Neuroimaging changes may have some association with outcome (response,survival, etc.).
Perfusion ratio is one parameter obtained from standard magnetic resonance imaging (MRI) studies of the brain.
|
Baseline and two weeks post completion of radiation
|
Mean Tumor to White Matter Ratio Measured at Baseline
Periodo de tiempo: Baseline
|
This study attempts to characterize neuroimaging parameters from positron emission tomography.
For each patient, the axial image through the tumor containing the maximum activity per pixel corresponding to the highest FluoroDeoxyGlucose (FDG) uptake was identified and a region of interest (ROI) was drawn based on the FDG definition of the tumor.
The mean pixel values within the tumor ROI were normalized by those for normal white matter to provide ratios of tumor/gray matter.
Each patient has a mean tumor to white matter ratio value and the median of these values across patients is reported.
|
Baseline
|
Peak Serum Concentration of Gefitinib (Cmax)
Periodo de tiempo: Week 2 of course 1
|
Week 2 of course 1
|
|
Elimination Half Life of Gefitinib (t1/2)
Periodo de tiempo: Week 2 of course 1
|
Week 2 of course 1
|
|
Clearance of Gefitinib (Cl)
Periodo de tiempo: Week 2 of course 1
|
Week 2 of course 1
|
|
Time of Maximum Clearance of Gefitinib (Tmax)
Periodo de tiempo: Week 2 of course 1
|
Week 2 of course 1
|
|
Gefitinib Area Under the Concentration Curve From 0-24 Hours (AUC)
Periodo de tiempo: Week 2 of course 1
|
Week 2 of course 1
|
|
Number of Patients With Epidermal Growth Factor Receptor (EGFR) Amplification
Periodo de tiempo: Pre-treatment
|
Epidermal growth factor receptor (EFGR) is a protein found on the surface of cells to which epidermal growth factor (EGF) binds.
When EGF attaches to EGFR, it activates the enzyme tyrosine kinase, triggering reactions that cause the cells to grow and multiply.
|
Pre-treatment
|
Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Jeffrey Geyer, Pediatric Brain Tumor Consortium
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
Finalización primaria (Actual)
Finalización del estudio (Actual)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Estimar)
Actualizaciones de registros de estudio
Última actualización publicada (Estimar)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Términos MeSH relevantes adicionales
- Neoplasias por tipo histológico
- Neoplasias
- Neoplasias Glandulares y Epiteliales
- Tumores neuroectodérmicos
- Neoplasias De Células Germinales Y Embrionarias
- Neoplasias De Tejido Nervioso
- Glioblastoma
- Glioma
- Astrocitoma
- Gliosarcoma
- Oligodendroglioma
- Neoplasias Neuroepiteliales
- Mecanismos moleculares de acción farmacológica
- Inhibidores de enzimas
- Agentes antineoplásicos
- Inhibidores de la proteína quinasa
- Gefitinib
Otros números de identificación del estudio
- NCI-2012-03022 (Identificador de registro: CTRP (Clinical Trial Reporting Program))
- U01CA081457 (Subvención/contrato del NIH de EE. UU.)
- PBTC-007 (Otro identificador: CTEP)
Información sobre medicamentos y dispositivos, documentos del estudio
Estudia un producto farmacéutico regulado por la FDA de EE. UU.
Estudia un producto de dispositivo regulado por la FDA de EE. UU.
producto fabricado y exportado desde los EE. UU.
Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .
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