A Database Study to Estimate the Risk of Multiple Sclerosis Following Vaccination With Arepanrix™ in Manitoba, Canada (H1N1-014VS)
10 de mayo de 2016 actualizado por: University of Manitoba
An Observational Retrospective Database Analysis to Estimate the Risk of Multiple Sclerosis Following Vaccination With Arepanrix™ in Manitoba, Canada
The purpose of this database study is to assess if Arepanrix™ vaccination during the 2009 pandemic was associated with an increased risk of multiple sclerosis (MS) in Manitoba, Canada.
Descripción general del estudio
Estado
Terminado
Condiciones
Intervención / Tratamiento
Descripción detallada
This observational, retrospective, propensity-score matched cohort study using the Manitoba Immunization Monitoring System (MIMS) and the hospital, physician, and prescription claims databases of the Manitoba Health (MH) Database System will assess if Arepanrix™ vaccination during the 2009 pandemic was associated with an increased risk of multiple sclerosis (MS) and other demyelinating conditions not ultimately leading to a multiple sclerosis diagnosis in Manitoba, Canada.
The data will be collected form the following linked databases:
- Manitoba Health (MH) administrative databases
- Manitoba Immunization Monitoring System (MIMS)
- Manitoba Health Population Registry (MHPR)
- Drug Program Information Network (DPIN)
- Hospital Abstract Database
- The Medical Services database
Tipo de estudio
De observación
Inscripción (Anticipado)
1
Criterios de participación
Los investigadores buscan personas que se ajusten a una determinada descripción, denominada criterio de elegibilidad. Algunos ejemplos de estos criterios son el estado de salud general de una persona o tratamientos previos.
Criterio de elegibilidad
Edades elegibles para estudiar
6 meses y mayores (Niño, Adulto, Adulto Mayor)
Acepta Voluntarios Saludables
Sí
Géneros elegibles para el estudio
Todos
Método de muestreo
Muestra no probabilística
Población de estudio
Adults and children above 6 months of age (at the time of vaccination) who normally reside in Manitoba, Canada and who had been registered with MH during the study period.
To ensure sufficient historical data, all participants will be required to have at least one year of insurance coverage before the study period (15 September 2009 to 15 March 2010).
Descripción
Inclusion Criteria:
- The entire population of Manitoba is considered for inclusion.
Exclusion Criteria:
- Individuals less than or equal to 6 months of age;
- Having less than one year of insurance coverage before the enrolment period;
- Not registered with MH during the enrolment period;
- Physician or hospitalization records indicating a diagnosis of any demyelinating condition between 1971 (earliest year for which information is available) and the index date.
Plan de estudios
Esta sección proporciona detalles del plan de estudio, incluido cómo está diseñado el estudio y qué mide el estudio.
¿Cómo está diseñado el estudio?
Detalles de diseño
Cohortes e Intervenciones
Grupo / Cohorte |
Intervención / Tratamiento |
|---|---|
|
Exposed to Arepanrix™ Cohort
All individuals with Manitoba Immunization Monitoring System (MIMS) record of H1N1 (Arepanrix™) and/or seasonal influenza vaccination during the influenza season 2009/2010 (15 September 2009 to 15 March 2010).
|
Demographic characteristics such as age, sex, area of residence, socio-economic status; medical history such as comorbidities, immune status, vaccine indication, receipt of other vaccines or medications and frequency of healthcare contacts, as well as information on pregnancy status and pre-existing conditions will be collected..
Otros nombres:
|
|
Unexposed to Arepanrix™ Cohort
All individuals registered with Manitoba Health (MH) during the study period but with no MIMS record for H1N1 (Arepanrix™) and seasonal influenza vaccination during the influenza season 2009/2010 (15 September 2009 to 15 March 2010).
|
Demographic characteristics such as age, sex, area of residence, socio-economic status; medical history such as comorbidities, immune status, vaccine indication, receipt of other vaccines or medications and frequency of healthcare contacts, as well as information on pregnancy status and pre-existing conditions will be collected.
Otros nombres:
|
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
Occurrence of MS
Periodo de tiempo: 15 September 2009 to 15 March 2010 (up to 6 months)
|
During the period of 1 year following administration of Arepanrix™ among an exposed cohort and during an equivalent time period in the unexposed cohort.
|
15 September 2009 to 15 March 2010 (up to 6 months)
|
Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
Occurrence of MS
Periodo de tiempo: 15 September 2009 to 31 December 2012 (up to 39 months)
|
From administration of Arepanrix™ until 31 December 2012, among an exposed cohort and during an equivalent time period in the unexposed cohort.
|
15 September 2009 to 31 December 2012 (up to 39 months)
|
|
Occurrence of demyelinating events which do not ultimately lead to a diagnosis of MS
Periodo de tiempo: 15 September 2009 to 15 March 2010 (up to 3 months)
|
During the period of 1 year following administration of Arepanrix™ among an exposed cohort and during an equivalent time period in the unexposed cohort.
|
15 September 2009 to 15 March 2010 (up to 3 months)
|
|
Occurrence of demyelinating events which do not ultimately lead to a diagnosis of MS
Periodo de tiempo: 15 September 2009 to 31 December 2012 (up to 39 months)
|
From administration of Arepanrix™ until 31 December 2012, among an exposed cohort and during an equivalent time period in the unexposed cohort.
|
15 September 2009 to 31 December 2012 (up to 39 months)
|
Colaboradores e Investigadores
Aquí es donde encontrará personas y organizaciones involucradas en este estudio.
Patrocinador
Colaboradores
Investigadores
- Investigador principal: Salah Mahmud, MD, PhD, Community Health Sciences, University of Manitoba
Publicaciones y enlaces útiles
La persona responsable de ingresar información sobre el estudio proporciona voluntariamente estas publicaciones. Estos pueden ser sobre cualquier cosa relacionada con el estudio.
Publicaciones Generales
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Fechas de registro del estudio
Estas fechas rastrean el progreso del registro del estudio y los envíos de resultados resumidos a ClinicalTrials.gov. Los registros del estudio y los resultados informados son revisados por la Biblioteca Nacional de Medicina (NLM) para asegurarse de que cumplan con los estándares de control de calidad específicos antes de publicarlos en el sitio web público.
Fechas importantes del estudio
Inicio del estudio
1 de agosto de 2014
Finalización primaria (Actual)
1 de agosto de 2015
Finalización del estudio (Actual)
1 de diciembre de 2015
Fechas de registro del estudio
Enviado por primera vez
17 de diciembre de 2014
Primero enviado que cumplió con los criterios de control de calidad
12 de febrero de 2015
Publicado por primera vez (Estimar)
20 de febrero de 2015
Actualizaciones de registros de estudio
Última actualización publicada (Estimar)
12 de mayo de 2016
Última actualización enviada que cumplió con los criterios de control de calidad
10 de mayo de 2016
Última verificación
1 de noviembre de 2015
Más información
Términos relacionados con este estudio
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- 200405 (H2014:019)
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. .