- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT00555477
Aromatase Inhibitors in Premenopausal Breast Cancer Patients With Chemotherapy-Induced Ovarian Failure
Women with hormone-receptor positive breast cancer are typically treated with hormone therapy as part of their treatment after surgery. In the past few years it has been found that treatment with aromatase inhibitors is superior to tamoxifen in postmenopausal women. Tamoxifen is still used for premenopausal women, however, because aromatase inhibitors are not effective in women who have functioning ovaries. Some women are premenopausal at the time they are diagnosed with breast cancer, but then stop having menstrual periods when they are treated with chemotherapy. It is unclear if these women can also be treated safely with aromatase inhibitors.
In this clinical trial the researchers will try to answer this question. Women with hormone receptor positive breast cancer who become postmenopausal with chemotherapy will be invited to participate in this study. Each woman will be treated with one of the aromatase inhibitors, anastrozole (Arimidex), and then carefully monitored to ensure that her ovaries do not start making estrogen. If her estrogen level remains low, then she will continued to be followed for 18 months. If the level increases to the level typically seen in premenopausal women, however, then she will stop taking part in this study.
The study will also evaluate multiple factors that may help doctors predict who will tolerate the therapy without having their ovaries start making estrogen again. Some of the factors to be evaluated include other hormone levels (blood tests) as well as family history of early menopause (mother, sisters). In addition, changes in certain genes that affect how patients' bodies handle chemotherapy drugs will be tested to see if they affect whether or not patients recover ovarian function. Overall, the purpose of the study is to determine which patients who become postmenopausal from chemotherapy are likely to tolerate aromatase inhibitor treatment safely, and how often the patients' ovarian function needs to be tested during treatment.
Descripción general del estudio
Tipo de estudio
Inscripción (Actual)
Fase
- Fase 2
Contactos y Ubicaciones
Ubicaciones de estudio
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Maryland
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Baltimore, Maryland, Estados Unidos, 21231-2410
- Sidney Kimmel Comprehensive Center at Johns Hopkins
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Massachusetts
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Boston, Massachusetts, Estados Unidos, 02115
- Dana-Farber Cancer Center
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Michigan
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Ann Arbor, Michigan, Estados Unidos, 48109
- University of Michigan
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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:
To be eligible for this study:
- You must be at least 18 years of age and not older than 60 years of age
- You have breast cancer which was confined to the breast and lymph nodes under the arm, and have no evidence of cancer elsewhere
- You must have had surgical removal of your tumor, and if indicated, radiation therapy must have been completed or planned
- Your tumor must express estrogen and/or progesterone receptors
- You must have had a menstrual period within 6 months before starting chemotherapy for your breast cancer.
- You must have been treated with a chemotherapy regimen that includes cyclophosphamide (Cytoxan). Your menstrual periods must have stopped for at least 8 weeks starting during or after chemotherapy.
Exclusion Criteria:
You are not eligible to participate in this study if:
1. Your ovaries have been surgically removed, treated with radiation therapy, or if you are taking medications (Zoladex™ or Lupron™) to block the function of your ovaries.
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: anastrozole
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1 mg tablet by mouth once a day
Otros nombres:
|
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
---|---|---|
The Number of Women Who Recover Ovarian Function Within 12 Months of Al Monotherapy
Periodo de tiempo: 12 months
|
In part 1 ovarian function recurrence is defined as one estradiol value >20 pg/ml or two consecutive values >10 pg/ml.
In part 2 ovarian function recurrence is defined as a >75% increase in estradiol levels over prior if prior value was 15-30 pg/ml, or one estradiol value >30 pg/ml, or three consecutive values >20 pg/ml.
|
12 months
|
Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Norah L. Henry, M.D., Ph.D., University of Michigan
Publicaciones y enlaces útiles
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
- Enfermedades de la piel
- Neoplasias
- Neoplasias por sitio
- Enfermedades de los senos
- Neoplasias de mama
- Efectos fisiológicos de las drogas
- Mecanismos moleculares de acción farmacológica
- Inhibidores de enzimas
- Agentes antineoplásicos
- Hormonas, sustitutos hormonales y antagonistas hormonales
- Agentes Antineoplásicos Hormonales
- Antagonistas de hormonas
- Inhibidores de la aromatasa
- Inhibidores de la síntesis de esteroides
- Antagonistas de estrógeno
- Anastrozol
Otros números de identificación del estudio
- UMCC 2007.044
- HUM 12443 (Otro identificador: University of Michigan Medical IRB)
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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