- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT01939483
A Pilot Study of Irinotecan in Patients With Breast Cancer and CNS Metastases
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Descripción detallada
PRIMARY OBJECTIVES; I. To evaluate the safety and efficacy of irinotecan (irinotecan hydrochloride) in breast cancer patients with brain metastases who progressed after radiation therapy.
II. To estimate central nervous system (CNS) objective response and clinical benefit rate in patients with breast cancer and brain metastases treated with irinotecan.
III. To estimate progression free survival. IV. To estimate overall survival. V. To assess the toxicity of Irinotecan.
OUTLINE:
Patients receive irinotecan hydrochloride intravenously (IV) over 90 minutes on days 1, 8, 15, 22, and 29. Courses repeat every 42 days in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up for up to 24 months.
Tipo de estudio
Fase
- No aplica
Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Descripción
Inclusion Criteria:
- Histologically confirmed diagnosis of breast cancer (irrespective of receptor status), with evidence of CNS disease by computed tomography (CT) or magnetic resonance imaging (MRI), who have progressed after whole brain radiation therapy or stereotactic radiosurgery
- Patients must not be a candidate for surgical resection and/or further stereotactic radiosurgery
- Patients may have had an unlimited number of prior treatments, including any systemic chemotherapy (excluding prior progression of disease with topoisomerase inhibitors as explained below), surgical resection, whole brain radiation, stereotactic radiosurgery, or radioimmunotherapy
- Patient must have MRI of brain obtained within two weeks of study initiation for staging and patients must also receive first dose within two weeks of study enrollment
- Patients must have at least one measurable brain lesion prior to start of treatment (≥ 10 mm on T1-weighted, gadolinium-enhanced MRI)
- Karnofsky performance score greater than 60
- At least two weeks must have elapsed since prior chemotherapy, three weeks must have elapsed since last surgery, and six weeks since completion of radiation therapy
- Hemoglobin > 9
- Absolute neutrophil count (ANC) > 1500
- Platelet count (plt) > 125
- Creatinine < 1.5
- Total bilirubin < 1.5
- Aspartate aminotransferase and alanine aminotransferase levels within five times the upper limit of normal
- Patients may be on oral corticosteroids at stable dose (no dose change within two weeks of enrollment), and may be on antiepileptic medication (except for cytochrome P450 3A4 (CYP3A4) enzyme-inducing antiepileptic medications)
- Fertile patients must use effective contraception
Exclusion Criteria:
- Pregnancy, lactation, immunosuppression other than corticosteroids
- Patient may be on hormonal therapy or Herceptin, but no other concurrent chemotherapy is allowed
- Patients who had progression of their breast cancer after prior administration of irinotecan are excluded
- Patients with leptomeningeal carcinomatosis as the only site of CNS involvement are excluded
- No other active malignancy except for any of the following: curatively treated basal or squamous cell carcinoma of the skin, carcinoma in situ of the cervix, other malignancies considered disease-free
- Patients using valproic acid within the last two weeks and patients with contraindications to anticholinergic agents will be excluded
- Concurrent administration of CYP3A4 enzyme-inducing antiepileptic medications (e.g. phenytoin) will not be allowed (if patients are taking one of these agents, they must switch to a non- enzyme-inducing antiepileptic medication prior to start of treatment)
- No history of immediate or delayed-type hypersensitivity reaction to gadolinium contrast agents or other contraindication to gadolinium contrast, and no other known contraindication to MRI
- Homozygous for uridine diphosphate (UDP) glucuronosyltransferase 1 family, polypeptide A1 (UGT1A1)*28 allele * All patients will be tested for UGT1A genotype prior to starting treatment and be excluded if they are homozygous for the UGT1A1*28 allele (UGT1A1 7/7 genotype); irinotecan's active metabolite glucuronidation of 7-ethyl-10-hydroxycamptothecin (SN-38) is inactivated through glucuronidation by uridine diphosphate glucuronosyltransferases (UGTs) mainly in the liver and is excreted through the bile ducts; a meta-analysis demonstrated that the UGT1A1*28 genotype is moderately predictive of severe irinotecan induced hematologic toxicity at moderate doses and strongly predictive at high doses, and in 2005, the Food and Drug Administration (FDA) added a warning to the irinotecan packaging label that patients with the UGT1A1*28 genotype were at increased risk for neutropenia
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 (irinotecan hydrochloride)
Patients receive irinotecan hydrochloride IV over 90 minutes on days 1, 8, 15, 22, and 29. Courses repeat every 42 days in the absence of disease progression or unacceptable toxicity. This arm also includes laboratory biomarker analysis as an intervention. |
Estudios correlativos
Dado IV
Otros nombres:
|
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Periodo de tiempo |
---|---|
CNS objective response (complete response or partial response), defined as at least 20% volumetric reduction of CNS lesions in absence of increasing steroid use, progressive neurologic signs and symptoms, or progressive extra-CNS disease, based on MRI
Periodo de tiempo: Up to 24 months
|
Up to 24 months
|
Response rate of patients who have remained progression-free, based on MRI
Periodo de tiempo: Up to 6 months
|
Up to 6 months
|
Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
---|---|---|
Overall survival
Periodo de tiempo: Time between treatment initiation and death, assessed up to 24 months
|
The product limit estimator developed by Kaplan and Meier was used to graphically describe the distribution of survival among patients with recurrent disease.
|
Time between treatment initiation and death, assessed up to 24 months
|
Progression free survival (PFS)
Periodo de tiempo: Time between treatment initiation and disease progression/relapse/death, assessed up to 24 months
|
The product limit estimator developed by Kaplan and Meier was used to graphically describe the distribution of PFS among patients with recurrent disease.
|
Time between treatment initiation and disease progression/relapse/death, assessed up to 24 months
|
Clinical benefit rate (objective response + stable disease at least 16 weeks)
Periodo de tiempo: Up to 24 months
|
Up to 24 months
|
|
Frequency of toxicity occurrence, assessed by National Cancer Institute's Common Terminology Criteria (CTC) for Adverse Events version 4.0
Periodo de tiempo: Up to 24 months
|
Tabulated by type, and worst grade experienced by the patient.
Toxicity will initially be summarized within each cohort or patient subgroup, and then collectively summarized.
|
Up to 24 months
|
Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Rita Mehta, MD, University of California, Irvine
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
Finalización primaria (Anticipado)
Finalización del estudio (Anticipado)
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
- Procesos Patológicos
- Enfermedades de la piel
- Neoplasias
- Neoplasias por sitio
- Enfermedades de los senos
- Procesos Neoplásicos
- Neoplasias de mama
- Metástasis de neoplasias
- Neoplasias Mamarias Masculinas
- Mecanismos moleculares de acción farmacológica
- Inhibidores de enzimas
- Agentes antineoplásicos
- Agentes antineoplásicos, fitogénicos
- Inhibidores de la topoisomerasa
- Inhibidores de la topoisomerasa I
- Irinotecán
- Camptotecina
Otros números de identificación del estudio
- UCI 11-22
- 2011-8497 (Otro identificador: University of California, Irvine)
- NCI-2013-01136 (Otro identificador: NCI Clinical Trials Reporting Program (CTRP))
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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