- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT00337181
Follow up of Thai Adult Volunteers With Breakthrough HIV Infection After Participation in a Preventive HIV Vaccine Trial
Extended Evaluation of the Virologic, Immunologic, and Clinical Course of Volunteers Who Become HIV-1 Infected During Participation in a Phase III Vaccine Trial of ALVAC-HIV and AIDSVAX® B/E.
Descripción general del estudio
Estado
Condiciones
Descripción detallada
Prospective cohort study of the clinical course of HIV-1 infection occurring after candidate HIV-1 vaccination (breakthrough infection) with ALVAC-HIV (vcP1521) and AIDSVAX B/E in reference to study NCT00223080 RV144. This study will enroll volunteers who become HIV-infected during the course of follow up in a phase III preventive HIV vaccine trial conducted in Rayong and Chon Buri, Thailand. Volunteers will be enrolled in this protocol to provide additional long-term follow up to establish whether differences in viral load after infection (comparing vaccine to placebo) are associated with altered disease outcomes, as well as provide more detailed immunologic and virologic assessment of these volunteers.
After enrollment in RV152, follow-up visits were scheduled at 0, 1, 3, and 6 months, and every 3 months thereafter. After month 12, CD4+ T cell counts and viral load were obtained at 6-month intervals until the CD4+ T cell count declined to <350/ul or highly-active antiretroviral therapy (HAART) was initiated, at which time CD4+ T cell counts and viral load were obtained every 3 months. Peripartum antiretroviral drugs given for prevention of mother-to-child-transmission was not considered a study endpoint, however HAART initiated during pregnancy and continued post-partum was counted. After a single CD4+ T-cell count < 350/ul a second sample was requested about 2 weeks later, and if the confirmatory measurement was >350/ul, a study endpoint was not registered and the volunteer resumed a normal visit schedule. A single genital fluid collection for viral load was obtained at the first RV152 visit. Clinical and laboratory data from RV144, including CD4+ T-cell and HIV-1 plasma viral load measurements, were linked to RV152 to inform primary and secondary protocol analyses as well as volunteer care and treatment.
Tipo de estudio
Inscripción (Actual)
Contactos y Ubicaciones
Ubicaciones de estudio
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Chon Buri Province
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Chon Buri, Chon Buri Province, Tailandia, 20000
- Chon Buri Regional 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:
- All individuals who become HIV-infected after receiving experimental vaccine or placebo in the RV144 clinical trial if they received at least one injection.
- The volunteer must give written, informed consent.
Exclusion Criteria:
- Persons who have a medical or psychiatric disorder, that in the judgment of the investigator(s), would interfere with or serve as a contraindication to adherence to the study protocol or ability to give informed consent.
- Persons who become HIV-infected after the completion of the RV144 protocol.
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
Cohortes e Intervenciones
Grupo / Cohorte |
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Vaccine Group
Received vaccination in RV144
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Placebo Group
Received placebo in RV144
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
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Number of Participants Reaching Clinical Long Term Component Endpoints
Periodo de tiempo: 66 months
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Evaluate the vaccine effect on clinical long term endpoints: CD4 is for CD4<350 endpoint; ART is for initiation of highly-active antiretroviral therapy (HAART) endpoint; ADI is for AIDS-defining illness endpoint; A combination of multiple endpoints is listed in order of occurrences of the endpoints
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66 months
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Colaboradores e Investigadores
Patrocinador
Colaboradores
Investigadores
- Investigador principal: Supachai Rerks-Ngarm, MD, Ministry of Health, Thailand
Publicaciones y enlaces útiles
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio (Actual)
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
Otros números de identificación del estudio
- A-11048
- RV152 (Otro identificador: WRAIR)
Plan de datos de participantes individuales (IPD)
¿Planea compartir datos de participantes individuales (IPD)?
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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