Protección contra la información errónea sobre la vacuna contra el VIH entre adolescentes y mujeres jóvenes en Sudáfrica (PROTECT)
7 de agosto de 2026 actualizado por: University of Pennsylvania
Las adolescentes y mujeres jóvenes de entre 15 y 24 años siguen siendo las más afectadas por las infecciones por el virus de la inmunodeficiencia humana (VIH) en Sudáfrica, a pesar de los avances registrados en los programas de prevención y tratamiento.
La actual susceptibilidad de las mujeres jóvenes a la infección por VIH y la adopción subóptima de opciones de prevención como la profilaxis previa a la exposición (PrEP), que son altamente efectivas, crean la necesidad de una vacuna contra el VIH que beneficie a las poblaciones con un riesgo sustancial de infección por VIH.
Sin embargo, las lecciones de estudios anteriores sobre vacunas y de la reciente vacuna contra la COVID-19 han puesto de relieve barreras importantes para la adopción de la vacuna, como la desinformación generalizada y las dudas sobre las vacunas.
Estos desafíos amenazan la implementación exitosa de una futura vacuna contra el VIH.
Sobre la base de estos conocimientos, este estudio utilizará la teoría de la inoculación psicológica para desarrollar y evaluar mensajes sobre la vacuna contra el VIH entre niñas adolescentes y mujeres jóvenes.
Objetivo principal: comparar los cambios en las intenciones de recibir la vacuna contra el VIH después de la exposición a información errónea en grupos con y sin inoculación psicológica y impulso de la economía conductual.
Objetivos secundarios: (1) Comparar la credibilidad y la persuasión de las afirmaciones de desinformación y la amenaza motivacional asociada con la desinformación en grupos con y sin inoculación psicológica y impulso de la economía conductual.
(2) Explorar los efectos de los subgrupos según factores sociodemográficos y conductuales relevantes, incluido el riesgo de VIH, antecedentes de PrEP, antecedentes de vacunas COVID-19, dudas generales sobre las vacunas y evitación de información.
Los investigadores llevarán a cabo un ensayo controlado aleatorio de tres brazos de 2-3 mensajes de inoculación que abordan los mitos emergentes y la información errónea sobre la vacuna contra el VIH en Sudáfrica.
Los participantes serán asignados aleatoriamente a un grupo de control o a uno de dos brazos de intervención: (1) brazo de mensajes de inoculación, o (2) mejorar el mensaje de inoculación con conocimientos de la economía del comportamiento.
Descripción general del estudio
Estado
Activo, no reclutando
Condiciones
Intervención / Tratamiento
Tipo de estudio
Intervencionista
Inscripción (Actual)
2163
Fase
- No aplica
Contactos y Ubicaciones
Esta sección proporciona los datos de contacto de quienes realizan el estudio e información sobre dónde se lleva a cabo este estudio.
Ubicaciones de estudio
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-
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Johannesburg, Sudáfrica
- Health Economics and Epidemiology Research Office, University of the Witwatersrand
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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
- Adulto
Acepta Voluntarios Saludables
Sí
Descripción
Criterios de inclusión:
- Femenino
- Edad 18-24 años
- Historia autoinformada de actividad sexual en los últimos 12 meses.
- Estado VIH negativo autoinformado o estado VIH desconocido en el momento de la inscripción
- Dispuesto y capaz de proporcionar consentimiento informado por escrito.
- Capaz de leer y comprender inglés.
Criterios de exclusión:
- No querer o no poder dar su consentimiento para participar en el estudio.
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
- Propósito principal: Prevención
- Asignación: Aleatorizado
- Modelo Intervencionista: Asignación paralela
- Enmascaramiento: Doble
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
|---|---|
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Comparador activo: Control
Los participantes inscritos en el grupo de control recibirán información no relacionada sobre diabetes y temas nutricionales de la misma longitud que los mensajes de inoculación.
Consulte el Apéndice 6 para obtener un ejemplo de cómo se estructurará este mensaje.
Esto hará del grupo de control un grupo de control de atención y asegurará que los hallazgos no sean confundidos por el grupo de intervención que gastan más tiempo y recursos atencionales en la participación en el estudio.
|
Los participantes inscritos en el grupo de control recibirán información no relacionada sobre diabetes y temas nutricionales de la misma longitud que los mensajes de inoculación.
Consulte el Apéndice 6 para obtener un ejemplo de cómo se estructurará este mensaje.
Esto hará del grupo de control un grupo de control de atención y asegurará que los hallazgos no sean confundidos por el grupo de intervención que gastan más tiempo y recursos atencionales en la participación en el estudio.
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Otro: Mensaje de inoculación mejorado
Los participantes inscritos en el brazo de mensaje de inoculación mejorado recibirán mensajes que les advertirán sobre la información errónea inminente de la vacuna contra el VIH y explica por qué esas afirmaciones son falsas o engañosas, los mensajes se mejorarán con las ideas de la economía del comportamiento, ver Apéndice 5: "Mensaje de inoculación con un impulso" para un ejemplo del mensaje de inoculación.
Como parte del impulso de la economía del comportamiento, los participantes pueden optar por recibir un token pequeño (por ejemplo, pegatina, insignia, brazalete) con un mensaje que promueve la vacunación como una coherencia y compromiso en el Prime.
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Los participantes inscritos en el brazo de mensaje de inoculación mejorado recibirán mensajes que les advertirán sobre la información errónea inminente de la vacuna contra el VIH y explica por qué esas afirmaciones son falsas o engañosas, los mensajes se mejorarán con las ideas de la economía del comportamiento, ver Apéndice 5: "Mensaje de inoculación con un impulso" para un ejemplo del mensaje de inoculación.
Como parte del impulso de la economía del comportamiento, los participantes pueden optar por recibir un token pequeño (por ejemplo, pegatina, insignia, brazalete) con un mensaje que promueve la vacunación como una coherencia y compromiso en el Prime.
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
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HIV Vaccine Intention, at the End of the Baseline Assessment
Periodo de tiempo: At the end of the baseline assessment
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Intention to get the HIV vaccine, measured after inoculation intervention and misinformation exposure The intention to get the vaccine will be measured on a 0-10 scale.
Higher score means they are more likely to get the HIV vaccine.
|
At the end of the baseline assessment
|
Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
HIV Vaccine Intention, Follow-up
Periodo de tiempo: 2-4 weeks
|
Intention to get the HIV vaccine, measured at follow-up survey following misinformation exposure and intervention.
Measured on a 0-10 scale.
Higher score means they are more likely to get the HIV vaccine.
|
2-4 weeks
|
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Recommend to Friends, at the End of the Baseline Assessment
Periodo de tiempo: At the end of the baseline assessment
|
Intention to recommend the HIV vaccine to friends, measured at survey baseline following misinformation exposure and intervention.
Measured on a 0-10 scale.
Higher score means they are more likely to recommend the HIV vaccine to a friend.
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At the end of the baseline assessment
|
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Recommend to Friends, Follow-up
Periodo de tiempo: 2-4 weeks
|
Intention to recommend the HIV vaccine to friends, measured at follow-up survey following misinformation exposure and intervention, controlling for baseline pre-intervention/exposure intention.
Measured on a 0-10 scale.
Higher score means they are more likely to recommend the HIV vaccine to a friend.
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2-4 weeks
|
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Credibility of Inoculated Exposure #1
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #1 made the participants believe the credibility of the information about the HIV vaccine.
They were provided information on this claim and how to recognize it as misinformation.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
At the end of the baseline assessment
|
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Credibility of Inoculated Exposure #2
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #2 made the participants believe the credibility of the information about the HIV vaccine.
They were provided information on this claim and how to recognize it as misinformation.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
At the end of the baseline assessment
|
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Credibility of Inoculated Exposure #3
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #3 made the participants believe the credibility of the information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
At the end of the baseline assessment
|
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Credibility of Inoculated Exposure #4
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #4 made the participants believe the credibility of the information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
At the end of the baseline assessment
|
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Credibility of Inoculated Exposure #5
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #5 made the participants believe the credibility of the information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
At the end of the baseline assessment
|
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Credibility of Inoculated Exposure #6
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #6 made the participants believe the credibility of the information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
At the end of the baseline assessment
|
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Anxiousness of Inoculated Exposure #1
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #1 made the participants anxious or nervous about the HIV vaccine.
They were provided information on this claim and how to recognize it as misinformation.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
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At the end of the baseline assessment
|
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Anxiousness of Inoculated Exposure #2
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #2 made the participants anxious or nervous about the HIV vaccine.
They were provided information on this claim and how to recognize it as misinformation.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
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At the end of the baseline assessment
|
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Anxiousness of Inoculated Exposure #3
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #3 made the participants anxious or nervous about the HIV vaccine.
TThey were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
At the end of the baseline assessment
|
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Anxiousness of Inoculated Exposure #4
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #4 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
At the end of the baseline assessment
|
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Anxiousness of Inoculated Exposure #5
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #5 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
At the end of the baseline assessment
|
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Anxiousness of Inoculated Exposure #6
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #6 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
At the end of the baseline assessment
|
|
Shareability of Inoculated Exposure #1
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #1 made the participants more likely to share information about the HIV vaccine.
They were provided information on this claim and how to recognize it as misinformation.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
At the end of the baseline assessment
|
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Shareability of Inoculated Exposure #7
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #7 made the participants more likely to share information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
At the end of the baseline assessment
|
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Shareability of Inoculated Exposure #3
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #3 made the participants more likely to share information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
At the end of the baseline assessment
|
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Shareability of Inoculated Exposure #4
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #4 made the participants more likely to share information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
At the end of the baseline assessment
|
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Shareability of Inoculated Exposure #5
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #5 made the participants more likely to share information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
At the end of the baseline assessment
|
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Shareability of Inoculated Exposure #6
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #6 made the participants more likely to share information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
At the end of the baseline assessment
|
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Credibility of Inoculated Exposure #1, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #1 made the participants believe the credibility of the information about the HIV vaccine.
They were provided information on this claim and how to recognize it as misinformation.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
2-4 weeks
|
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Credibility of Inoculated Exposure #2, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #2 made the participants believe the credibility of the information about the HIV vaccine.
They were provided information on this claim and how to recognize it as misinformation.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
2-4 weeks
|
|
Shareability of Inoculated Exposure #1, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #1 made the participants more likely to share information about the HIV vaccine.
They were provided information on this claim and how to recognize it as misinformation.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
2-4 weeks
|
|
Shareability of Inoculated Exposure #2, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #2 made the participants more likely to share information about the HIV vaccine.
They were provided information on this claim and how to recognize it as misinformation.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
2-4 weeks
|
|
Anxiousness of Inoculated Exposure #1, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #1 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
2-4 weeks
|
|
Anxiousness of Inoculated Exposure #2, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #2 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
2-4 weeks
|
|
Credibility of New Claims, Exposure #12, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #12 made the participants believe the credibility of the information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
2-4 weeks
|
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Credibility of New Claims, Exposure #8, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #8 made the participants believe the credibility of the information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
2-4 weeks
|
|
Credibility of New Claims, Exposure #9, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #9 made the participants believe the credibility of the information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
2-4 weeks
|
|
Credibility of New Claims, Exposure #10, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #10 made the participants believe the credibility of the information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
2-4 weeks
|
|
Credibility of New Claims, Exposure #11, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #11 made the participants believe the credibility of the information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
2-4 weeks
|
|
Anxiousness o of New Claims, Exposure #12, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #12 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
2-4 weeks
|
|
Anxiousness of New Claims, Claim #8, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #8 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
2-4 weeks
|
|
Anxiousness of New Claims, Exposure #9, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #9 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
2-4 weeks
|
|
Anxiousness of New Claims, Exposure #10, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #10 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
2-4 weeks
|
|
Anxiousness of New Claims, Exposure #11, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #11 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
2-4 weeks
|
|
Shareability of New Claims, Exposure #12, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #12 made the participants more likely to share information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
2-4 weeks
|
|
Shareability of New Claims, Exposure #8, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #8 made the participants more likely to share information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
2-4 weeks
|
|
Shareability of New Claims, Exposure #9, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #9 made the participants more likely to share information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
2-4 weeks
|
|
Shareability of New Claims, Exposure #10, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #10 made the participants more likely to share information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
2-4 weeks
|
|
Shareability of New Claims, Exposure #11, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #11 made the participants more likely to share information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
2-4 weeks
|
|
Credibility of Inoculated Exposure #7
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #7 made the participants believe the credibility of the information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
At the end of the baseline assessment
|
|
Anxiousness of Inoculated Exposure #7
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #7 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
At the end of the baseline assessment
|
|
Shareability of Inoculated Exposure #2
Periodo de tiempo: At the end of the baseline assessment
|
Extent to which claim #2 made the participants more likely to share information about the HIV vaccine.
They were provided information on this claim and how to recognize it as misinformation.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
At the end of the baseline assessment
|
|
Credibility of New Claims, Exposure #13, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #13 made the participants believe the credibility of the information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to believe the claim.
|
2-4 weeks
|
|
Anxiousness of New Claims, Exposure #13, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #13 made the participants anxious or nervous about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number indicates more self-reported anxiousness.
|
2-4 weeks
|
|
Shareability of New Claims, Exposure #13, Follow-up
Periodo de tiempo: 2-4 weeks
|
Extent to which claim #13 made the participants more likely to share information about the HIV vaccine.
They were not provided prior information on this claim.
The scale is measured on 1-7.
Higher number means they are more likely to share the claim.
|
2-4 weeks
|
Colaboradores e Investigadores
Aquí es donde encontrará personas y organizaciones involucradas en este estudio.
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 (Actual)
24 de julio de 2025
Finalización primaria (Actual)
16 de octubre de 2025
Finalización del estudio (Estimado)
1 de junio de 2027
Fechas de registro del estudio
Enviado por primera vez
7 de noviembre de 2024
Primero enviado que cumplió con los criterios de control de calidad
18 de noviembre de 2024
Publicado por primera vez (Actual)
22 de noviembre de 2024
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
28 de agosto de 2026
Última actualización enviada que cumplió con los criterios de control de calidad
7 de agosto de 2026
Última verificación
1 de agosto de 2026
Más información
Términos relacionados con este estudio
Palabras clave
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- 1R01MH132401 (Subvención/contrato del NIH de EE. UU.)
Plan de datos de participantes individuales (IPD)
¿Planea compartir datos de participantes individuales (IPD)?
INDECISO
Descripción del plan IPD
Los investigadores aún están determinando el plan para compartir datos y si ya compartiremos IPD.
Información sobre medicamentos y dispositivos, documentos del estudio
Estudia un producto farmacéutico regulado por la FDA de EE. UU.
No
Estudia un producto de dispositivo regulado por la FDA de EE. UU.
No
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. .