- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT00280176
Bortezomib, Fluorouracil, and External-Beam Radiation Therapy in Treating Patients With Stage II, Stage III, or Stage IV Rectal Cancer
Phase I Study of PS-341 in Combination With 5-Fluorouracil and External Beam Radiotherapy For The Treatment Of Locally Advanced And Metastatic Rectal Cancer
RATIONALE: Bortezomib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth and by blocking blood flow to the tumor. Drugs used in chemotherapy, such as fluorouracil, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Radiation therapy uses high-energy x-rays to kill tumor cells. Giving bortezomib and fluorouracil together with radiation therapy may kill more tumor cells.
PURPOSE: This phase I trial is studying the side effects and best dose of bortezomib when given together with fluorouracil and external-beam radiation therapy in treating patients with stage II, stage III, or stage IV rectal cancer.
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Descripción detallada
OBJECTIVES:
Primary
- Determine the maximum tolerated dose of bortezomib when administered in combination with fluorouracil and external beam radiotherapy as preoperative or palliative treatment in patients with stage II-IV rectal adenocarcinoma.
- Determine the dose-limiting toxicities of this regimen in these patients.
Secondary
- Determine the dose-effect relationship of bortezomib on NF-kappa B activation induced by chemoradiotherapy.
- Determine downstream events induced by NF-kappa B activation.
- Determine downstream events related to activation of p53 in response to treatment with chemoradiotherapy and bortezomib.
- Determine the rate of complete pathologic remission in patients who undergo surgical resection of their primary tumor.
- Determine the gene expression pattern of tumors by cDNA microarray analysis before and during treatment with this regimen.
OUTLINE: This is a multicenter, dose-escalation study of bortezomib.
Patients receive bortezomib IV on days 1, 4, 8, 11, 22, 25, 29, and 32 and fluorouracil IV continuously on days 2-38. Patients also undergo external beam radiotherapy 5 days a week for 5½ weeks. Treatment continues in the absence of disease progression or unacceptable toxicity.
Cohorts of 3-6 patients receive escalating doses of bortezomib until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 of 3 or 2 of 6 patients experience dose-limiting toxicity.
Patients undergo tissue biopsy at baseline and on days 1 and 2. Samples are collected and evaluated by tissue microarray analysis for NF-kappa B pathway activation; cDNA analysis, RNase protection assay, and immunohistochemistry for analysis of downstream events induced by NF-kappa B activation; and modified TdT-mediated dUTP nick-end label for analysis of apoptosis by DNA fragmentation. NF-kappa B subunits are quantified by enzyme-linked immunosorbent assay. Serum samples are collected at baseline and stored for future studies.
After completion of study treatment, patients are followed every 3 months for up to 2 years.
Tipo de estudio
Inscripción (Actual)
Fase
- Fase 1
Contactos y Ubicaciones
Ubicaciones de estudio
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North Carolina
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Chapel Hill, North Carolina, Estados Unidos, 27599-7295
- Lineberger Comprehensive Cancer Center at University of North Carolina - Chapel Hill
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Tennessee
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Nashville, Tennessee, Estados Unidos, 37232-6838
- Vanderbilt-Ingram Cancer Center
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
DISEASE CHARACTERISTICS:
Biopsy confirmed diagnosis of adenocarcinoma of the rectum meeting 1 of the following clinical staging criteria:
T3-T4, N0, M0 (stage II disease)
- T4 disease defined as tumor fixed on examination or involving adjacent pelvic structures, such as the sidewall, bladder, uterus, prostate, or small bowel by ultrasound or CT scan
- Any T, N1-2, M0 (stage III disease)
- Any T, any N, M1 (stage IV disease)
- Recurrent disease (any prior stage)
- Candidate for local palliative therapy or curative resection of metastatic disease
- Previously treated CNS disease allowed provided it is stable for > 3 months
PATIENT CHARACTERISTICS:
- ECOG performance status 0-2
- Life expectancy > 3 months
- Adequate nutrition
- WBC ≥ 4,000/mm³
- ANC > 2,000/mm³
- Platelet count ≥ 100,000/mm³
- Creatinine ≤ 1.5 mg/dL OR creatinine clearance ≥ 30 mL/min
- Bilirubin ≤ 1.5 mg/dL
- Not pregnant or nursing
- Negative pregnancy test
- Fertile patients must use effective contraception
- No serious medical or psychiatric illness that would limit study compliance or limit survival to < 2 years
- No history of refractory congestive heart failure or cardiomyopathy
- No active coronary artery disease, myocardial infarction within the past 3 months, or cerebrovascular accident within the past 3 months
- No peripheral neuropathy ≥ grade 2
- No hypersensitivity to bortezomib, boron, or mannitol
PRIOR CONCURRENT THERAPY:
- More than 1 week since prior major surgery
- More than 28 days since prior investigational agents
- Prior chemotherapy allowed
- No prior pelvic radiotherapy (for treatment of any pelvic malignancy)
- No concurrent herbal medication (excluding vitamin and mineral supplements)
- No concurrent filgrastim (G-CSF) or sargramostim (GM-CSF)
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)
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Periodo de tiempo |
---|---|
Toxicidad limitante de la dosis
Periodo de tiempo: 8 semanas
|
8 semanas
|
Maximum tolerated dose
Periodo de tiempo: 6 weeks
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6 weeks
|
Medidas de resultado secundarias
Medida de resultado |
Periodo de tiempo |
---|---|
Dose-effect relationship of bortezomib on NF-kappa B activation induced by chemoradiotherapy
Periodo de tiempo: 6 weeks
|
6 weeks
|
Downstream events induced by NF-kappa B activation
Periodo de tiempo: 8 weeks
|
8 weeks
|
Downstream events related to activation of p53 in response to treatment with chemoradiotherapy and bortezomib
Periodo de tiempo: 8 weeks
|
8 weeks
|
Rate of complete pathologic remission
Periodo de tiempo: 2 years
|
2 years
|
Gene expression pattern of tumors as assessed by cDNA microarray analysis pre- and post-treatment
Periodo de tiempo: 8 weeks
|
8 weeks
|
Colaboradores e Investigadores
Patrocinador
Colaboradores
Investigadores
- Investigador principal: Bert H. O'Neil, MD, UNC Lineberger Comprehensive Cancer Center
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
Palabras clave
Términos MeSH relevantes adicionales
- Enfermedades del Sistema Digestivo
- Neoplasias
- Neoplasias por sitio
- Neoplasias Gastrointestinales
- Neoplasias del Sistema Digestivo
- Enfermedades Gastrointestinales
- Enfermedades intestinales
- Neoplasias Intestinales
- Enfermedades Rectales
- Neoplasias colorrectales
- Neoplasias Rectales
- Efectos fisiológicos de las drogas
- Mecanismos moleculares de acción farmacológica
- Antimetabolitos, Antineoplásicos
- Antimetabolitos
- Agentes antineoplásicos
- Agentes inmunosupresores
- Factores inmunológicos
- Fluorouracilo
- Bortezomib
Otros números de identificación del estudio
- LCCC 0209
- CDR0000549844 (Otro identificador: PDQ number)
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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