- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT02524704
Electrical Impedance Imaging of Patients With Cystic Fibrosis
Electrical Impedance Tomography (EIT): A Non-radiating Functional Imaging for Cystic Fibrosis
Descripción general del estudio
Descripción detallada
Tipo de estudio
Inscripción (Actual)
Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Método de muestreo
Población de estudio
There are three groups in this study. Group 1 consists of healthy controls between the ages of 2 and 21. Group 2 consists of persons with cystic fibrosis between the ages of 2 and 21 who are either clinically indicated for a pulmonary CT scan or will receive one as part of their routine care. Group 3 consists of persons with cystic fibrosis between the ages of 8 and 21 who are being started on IV antibiotics for a clinically diagnosed pulmonary exacerbation.
Sampling is by convenience or invitation to volunteer.
Descripción
Inclusion Criteria:
- Between the ages of 2 and 21 years (Groups 1 and 2)
- Between the ages of 8 and 21 years (Group 3)
- Healthy lungs (Group 1)
- Clinical diagnosis of cystic fibrosis (Groups 2 and 3)
- Clinically indicated for a pulmonary CT scan or will receive one as part of their routine care (Group 2)
- Receiving IV antibiotics for a clinically diagnosed pulmonary exacerbation (Group 3)
Exclusion Criteria:
- Under age 24 months or over age 21.
- No informed consent
- Known congenital heart disease, arrythmia, or history of heart failure, admission to the intensive care unit, wearing a pacemaker or other surgical implant.
- Pregnant or lactating
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Modelos observacionales: Solo caso
- Perspectivas temporales: Transversal
Cohortes e Intervenciones
Grupo / Cohorte |
Intervención / Tratamiento |
---|---|
Healthy controls
Subjects between the ages of 2 and 21 with healthy lungs.
Electrical impedance tomography data will be collected during tidal breathing, during 5 to 10 seconds of breath holding, and during FEV1 and FEF 25-75 spirometry maneuvers for subjects over age 8.
|
|
CF patients scheduled for a CT scan
Subjects with CF between the ages of 2 and 21 who are either clinically indicated for a CT scan of the lungs or are scheduled for a pulmonary CT scan as part of their routine care.
Electrical impedance tomography data data will be collected during tidal breathing, during 5 to 10 seconds of breath holding, during forced expiratory volume in 1 second (FEV1) and forced expiratory flow (FEF) 25-75 spirometry maneuvers for subjects over age 8, and immediately before or after pulmonary CT scanning.
|
Applied only when part of the patient's standard care
|
CF patients with pulmonary exacerbation
Subjects with CF between the ages of 8 and 21 who are being started on intravenous (IV) antibiotics for a clinically diagnosed pulmonary exacerbation. Electrical impedance tomography data data will be collected during tidal breathing, during 5 to 10 seconds of breath holding, during FEV1 and FEF 25-75 spirometry maneuvers upon admission for a pulmonary exacerbation and following 7 to 14 days hospitalized treatment including IV antibiotics. Further data will be collected at the same time with CT scanning if the scan is part of the patient's standard of care. |
Applied only when part of the patient's standard care
|
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
---|---|---|
Sensitivity and specificity for identifying air trapping and consolidation
Periodo de tiempo: 2 years
|
The sensitivity and specificity of EIT for identifying regions of air trapping and consolidation will be assessed using the CT scan as the gold standard
|
2 years
|
Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
---|---|---|
Accuracy of the EIT computed spirometry values
Periodo de tiempo: 2 years
|
The accuracy of the spirometry measures computed from EIT images will be assessed by comparing to those from the pulmonary function tests
|
2 years
|
Correlation of EIT derived measures to patient improvement following IV antibiotics
Periodo de tiempo: 2 years
|
Changes in quantitative EIT measures will be correlated with clinical measures known to improve following therapy, patients serving as their own controls.
|
2 years
|
Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Jennifer L Mueller, PhD, Colorado State University
Publicaciones y enlaces útiles
Publicaciones Generales
- Hamilton SJ, Mueller JL. Direct EIT reconstructions of complex admittivities on a chest-shaped domain in 2-D. IEEE Trans Med Imaging. 2013 Apr;32(4):757-69. doi: 10.1109/TMI.2012.2237389. Epub 2013 Jan 9.
- Herrera CN, Vallejo MF, Mueller JL, Lima RG. Direct 2-D reconstructions of conductivity and permittivity from EIT data on a human chest. IEEE Trans Med Imaging. 2015 Jan;34(1):267-74. doi: 10.1109/TMI.2014.2354333. Epub 2014 Sep 4.
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 (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
- ColoradoSU
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