- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT01766297
Protocolo de fase II de la terapia de protones para la irradiación mamaria parcial en el cáncer de mama en estadio temprano
The purpose of this research study is to compare the effects (good and bad) on women and their cancer using proton radiation therapy.
This study is being done to see if proton radiation therapy will prove to be beneficial for women with early stage breast cancer. A clinical study is necessary to compare the results (good or bad) of proton radiation therapy.
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Descripción detallada
Current standard of care for early stage breast cancer is mastectomy or breast conserving therapy with whole breast irradiation following lumpectomy. However, studies of breast cancer recurrence have demonstrated the majority of tumors to recur in or adjacent to the original tumor site. The question has thus been raised as to whether radiation to the whole breast is necessary or justified. Limiting radiation to the area of the original tumor may reduce acute and long-term skin and organ toxicities while making radiation therapy more convenient and less expensive. Several clinical trials are underway comparing partial breast irradiation (PBI) to whole breast irradiation. Numerous centers are offering partial breast irradiation outside of clinical trials as well, despite the lack of long-term safety and efficacy data on PBI.
Available PBI methods include brachytherapy, in which catheters or balloons are surgically inserted to deliver radiation therapy to the lumpectomy cavity, and conventional external beam radiation therapy, or EBRT. External beam photon therapy is attractive for its non-invasive nature and ability to deliver a more homogenous dose distribution compared to brachytherapy, however it also delivers a greater radiation dose to surrounding normal breast tissue.Proton therapy has the capacity to provide the same advantages as photon EBRT while minimizing dose to normal surrounding tissue. Clinical data on PBI with protons is minimal, however, leaving many questions unanswered. The impetus behind this protocol is to address these gaps by further investigating the feasibility, safety, and efficacy of proton therapy for partial breast irradiation.
Tipo de estudio
Inscripción (Estimado)
Fase
- Fase 2
Contactos y Ubicaciones
Ubicaciones de estudio
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Arizona
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Scottsdale, Arizona, Estados Unidos, 85259
- Reclutamiento
- Mayo Clinic
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Investigador principal:
- Carlos Vargas, MD
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Contacto:
- Karla Shields Morales
- Número de teléfono: 855-776-0015 (toll free)
- Correo electrónico: shieldsmorales.karla@mayo.edu
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California
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San Diego, California, Estados Unidos, 92121
- Reclutamiento
- California Protons Cancer Therapy Center
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Contacto:
- Alexandra Crawford, MPH
- Número de teléfono: 858-549-7431
- Correo electrónico: alexandra.crawford@californiaprotons.com
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Investigador principal:
- James Urbanic, MD
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Illinois
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Warrenville, Illinois, Estados Unidos, 60555
- Reclutamiento
- Northwestern Medicine Chicago Proton Center
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Contacto:
- Don Smith, MS, CCRC
- Número de teléfono: 630-933-7820
- Correo electrónico: donald.smith3@nm.org
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Investigador principal:
- Arpi Thukral, MD
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Maryland
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Baltimore, Maryland, Estados Unidos, 21201
- Reclutamiento
- Maryland Proton Treatment Center
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Contacto:
- Caitlin Eggleston
- Número de teléfono: 410-328-7586
- Correo electrónico: caitlineggleston@umm.edu
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Investigador principal:
- Elizabeth Nichols, MD
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Michigan
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Flint, Michigan, Estados Unidos, 48532
- Reclutamiento
- McLaren Proton Therapy Center
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Contacto:
- Bradley Olsen
- Número de teléfono: 313-576-9730
- Correo electrónico: olsenb@karmanos.org
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Investigador principal:
- Brian Yeh, MD
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New York
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New York, New York, Estados Unidos, 10035
- Reclutamiento
- New York Proton Center
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Contacto:
- Ryan Holder
- Número de teléfono: 387 646-968-9055
- Correo electrónico: rholder@nyproton.com
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Investigador principal:
- Isabelle Choi, MD
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Oklahoma
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Oklahoma City, Oklahoma, Estados Unidos, 73142
- Reclutamiento
- Oklahoma Proton Center
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Investigador principal:
- John Chang, MD
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Contacto:
- Angela Beebe
- Número de teléfono: 405-773-6708
- Correo electrónico: angela.beebe@okcproton.com
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Virginia
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Fairfax, Virginia, Estados Unidos, 22031
- Reclutamiento
- Inova Schar Cancer Institute
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Contacto:
- Sangeetha Moturi
- Número de teléfono: 571-472-0343
- Correo electrónico: sangeetha.moturi@inova.org
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Investigador principal:
- Ashish Chawla, MD
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Hampton, Virginia, Estados Unidos, 23666
- Reclutamiento
- Hampton University Proton Therapy Institute
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Contacto:
- Donna Sternberg, RN, BSN, OCN
- Número de teléfono: 757-251-6839
- Correo electrónico: donna.sternberg@hamptonproton.org
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Investigador principal:
- Christopher Sinesi, MD
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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:
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Must sign study-specific, IRB approved informed consent form prior to study entry. Note consent by legally authorized representative is not allowed for this trial.
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Must be female.
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Must be > = 50 years of age.
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Must have a life expectancy of at least 5 years based on age and co-morbidities.
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Must have pathology proven invasive ductal carcinoma (lobular is not allowed) and/or ductal carcinoma in situ (DCIS).
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One of the following criteria must be met: (a) Tumors that are microscopically multifocal must be 3.0 cm or less in total aggregate size and encompassed within a single scar (b) Patient does not have microscopically multifocal tumor.
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For tumors that are invasive, if in the presence of extensive intraductal component (EIC), the entire pathologic tumor size (including both the intraductal and invasive component) must be 3.0 cm or less.
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Must be Stage 0, I, II (Tis, T1, or T2, N0, M0 per AJCC criteria 7th and/or 8th Ed.). If stage II, the tumor size must be < = 3.0 cm. A patient with invasive histology must have nodal stage pN0 by H&E stains on sentinel node biopsy or axillary lymph node dissection.
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Must have ER positive disease with ER/PR report available.
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For tumors that are invasive, HER2 must be performed (positive or negative is acceptable).
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Must have a lumpectomy performed, with documented negative surgical margins by 0.2 cm or more. If re-excision results in negative surgical margins 0.2 cm or more, patient is eligible.
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If image guidance with daily cone beam CT with direct physician visual assessment is used for treatment positioning, the presence of markers or clips in the surgical bed is recommended but not required. If cone beam CT imaging will NOT be used for image guidance, then the patient must be prepared to have 2 fiducial markers minimum, 3 preferred, placed prior to treatment (if not previously done).
- If markers or clips were placed at the time of surgery, patient must be able to start treatment within 12 weeks after lumpectomy or re-excision for adequate margins.
- If markers were not placed at the time of surgery and are needed, patient must have markers placed within 6 weeks after surgery.
- If systemic chemotherapy was given, patient must have had clips or markers placed at the time of surgery (if they are needed) and patient must have simulation scans within 6 weeks of the completion of the chemotherapy.
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Must be able to start treatment within 12 weeks of surgery or 8 weeks of finalization of chemotherapy.
Exclusion Criteria:
- Previous history of ipsilateral invasive breast cancer or DCIS.
- Any clinical or radiographically suspicious nodes, unless biopsy proven benign.
- Non-epithelial malignancies such as sarcoma or lymphoma.
- Suspicious residual microcalcifications on mammography of either breast, unless negative for malignancy on pathology.
- Multicentric or bilateral disease unless biopsy of the clinical abnormalities are performed and result is negative.
- Lymphovascular space invasion (LVSI) on pathology specimen.
- Any previously treated breast carcinoma or synchronous breast carcinoma in ipsilateral breast.
- Prior radiation therapy to the ipsilateral breast or thorax.
- Paget's disease of the nipple.
- Histologic examination showing invasive lobular histology.
- Skin involvement.
- Breasts technically unsatisfactory for radiation treatment upon the discretion of the treating physician.
- Significant infection or other co-existing medical condition that would preclude protocol therapy such as pregnancy, HIV/AIDS or collagen vascular diseases specifically systemic lupus erythematosus, scleroderma, or dermatomyositis.
- Known BRCA 1 or BRCA 2 mutation.
- Pregnant or lactating.
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 |
|---|---|
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Experimental: Proton Radiotherapy
Proton Radiotherapy 4.0 Gy (RBE) x10 fractions to 40 Gy (RBE) Total Dose |
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
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To assess events of freedom from ipsilateral breast recurrence occurrences in patients receiving partial breast proton radiation therapy limited to the region of the tumor.
Periodo de tiempo: At 3 years
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Freedom from failure (FFF): The events for FFF will be the first ipsilateral breast cancer recurrence. It is expected that less than 3% of patients will experience an ipsilateral breast cancer recurrence (FFF ≥ 97%). A recurrence rate of ≥ 10% (FFF ≤ 90%) is considered unacceptable. Therefore, the null hypothesis is the FFF of ipsilateral breast cancer recurrence is 90% or lower and the alternative hypothesis is that FFF of ipsilateral breast cancer is 97% or higher. |
At 3 years
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Medidas de resultado secundarias
Medida de resultado |
Periodo de tiempo |
|---|---|
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Evaluar el número y la gravedad de la toxicidad aguda y a largo plazo de la irradiación mamaria parcial con terapia de protones para el tratamiento del cáncer de mama en etapa inicial.
Periodo de tiempo: En promedio cada 6 meses de por vida
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En promedio cada 6 meses de por vida
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Evaluar la relación entre el tamaño de las mamas y la dosimetría mamaria parcial.
Periodo de tiempo: Promedio cada 6 meses durante 3 años
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Promedio cada 6 meses durante 3 años
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Determinar los resultados de calidad de vida.
Periodo de tiempo: Promedio cada 6 meses durante 3 años
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Promedio cada 6 meses durante 3 años
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Determinar la tasa de supervivencia general de pacientes con cáncer de mama tratadas con radiación de protones.
Periodo de tiempo: A los 3 años
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A los 3 años
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Determinar el patrón de recurrencia de pacientes con cáncer de mama tratadas con irradiación mamaria parcial de protones.
Periodo de tiempo: A los 3 años
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A los 3 años
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Colaboradores e Investigadores
Patrocinador
Investigadores
- Silla de estudio: Andrew Chang, MD, Proton Collaborative Group
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
Finalización primaria (Estimado)
Finalización del estudio (Estimado)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Estimado)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
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
Otros números de identificación del estudio
- BRE007-12
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