- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT00713141
Evaluation of Brain Function Before and After Standard Chemotherapy for Early Breast Cancer
Primary Objective
- To investigate and clearly document the presence and extent of cognitive decline, if any, in women of Asian origin following standard-dose systematic adjuvant chemotherapy for the treatment of breast cancer
- Investigation and establishment of a relationship between degree of oxidative DNA and lipid damage as indicated by plasma and urinary biochemical markers.
Secondary Objective
• To validate the use of hydrogen peroxide and serum amyloid as biomarkers of damage
Descripción general del estudio
Estado
Condiciones
Descripción detallada
As the survival rate and prognosis of cancer improve, there is increasing recognition of the presence of a long term negative impact of standard chemotherapy on cognition, namely in the domains of attention, memory, psychomotor speed and executive functions. The purported incidence varies between 10-50%, the mechanism is unknown and it is unclear who is at risk. This impact has also not been studied and documented in the Asian population.
This proposal outlines a study that intends to prospectively (1) investigate and document the incidence and severity of cognitive impairment following systemic chemotherapy for breast cancer in Asian women in the acute and prolonged setting, and (2) to relate these cognitive changes to damage to DNA and lipids (two major targets of attack by toxic agents) as indicated through tests conducted on blood and urine samples.
Thirty breast cancer patients who will be required to undergo standard chemotherapy will be recruited for a pilot study to determine the acceptability of the procedure and to establish the size of the effects under investigation. A 45-minute neurocognitive assessment will be administered at three time points: before commencement of chemotherapy, and at 6 months and 1 year following completion of chemotherapy. Blood and urine samples will be collected just prior to the commencement of chemotherapy, after the first cycle of chemotherapy, and also at 6 months and 1 year post completion of chemotherapy.
It is hypothesized that (1) there will be decrements in performance on the neurocognitive measures post-chemotherapy; (2) the presence of cognitive decline will correlate with the presence of markers of oxidative damage in the blood and urine samples. The benefits of this project are two fold. Firstly, it will allow research into and documentation of the possible presence of cognitive decline following chemotherapy in Asian women, which is important in allowing patients to make fully-informed consent with regard to treatment. Secondly, if a relationship between the presence of cognitive decline and the presence of biochemical markers of oxidative damage can be established, this can potentially lead to new treatment methods that may reduce the cognitive decline that has been associated with the chemotherapeutic process.
Tipo de estudio
Inscripción
Contactos y Ubicaciones
Ubicaciones de estudio
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Singapore, Singapur
- National University Hospital
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Método de muestreo
Población de estudio
Descripción
Inclusion Criteria:
- Histologically documented breast cancer
- Females greater than 18 years old
- Eastern Cooperative Oncology Group (ECOG) Performance status 0,1,2
- Requires to undergo standard-dose systemic adjuvant chemotherapy
- Patients must be informed of nature of study and sign an informed consent form
Exclusion criteria
a. Dementia/significantly altered mental status that will prohibit the understanding and/or giving of informed consent
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
Cohortes e Intervenciones
Grupo / Cohorte |
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1
Early breast cancer
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Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Chiung Ing Wong, MRCP, MB ChB, National University Hospital, Singapore
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio
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
Otros números de identificación del estudio
- BR03/09/04
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