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Evaluation of a Decision-Support Tool for Blood Biomarker Testing for Alzheimer's Disease in Primary Care

3 de septiembre de 2026 actualizado por: University of Wisconsin, Madison

Pilot Evaluation of a Tool to Support Communication About Blood Biomarker Testing for Cognitive Complaints in Primary Care

The goal of the current study is to evaluate a decision-support tool intended to help primary care providers (PCPs) communicate with patients about blood biomarker testing for Alzheimer's Disease, enhancing shared-decision making and information sharing in the clinical space. The main questions it aims to answer are:

  • Is the decision-support tool accepted and easy to use for PCPs?
  • Does using the tool improve shared decision-making during clinical encounters? Researchers will compare clinical encounters between PCPs who do not use the tool to discuss blood biomarker testing for Alzheimer's Disease, versus PCPs who have been trained to utilize the tool during clinical encounters to see whether the tool effectively facilitates shared-decision making.

Descripción general del estudio

Estado

Aún no reclutando

Condiciones

Intervención / Tratamiento

Descripción detallada

This pilot study will determine the acceptability and usability of a decision-support tool for primary care providers (PCPs) and assess the feasibility of recruitment techniques in preparation for a later trial. The study includes two high-fidelity simulation components.

Simulation 1: The investigators will assess the usability and acceptability of the decision-support tool through direct observation and surveys of PCPs participating in high-fidelity simulations of clinical encounters (N=15). The hypothesis is that the decision-support tool will be acceptable and usable by PCPs.

Simulation 2: The investigators will compare the effect of the decision-support tool on shared decision-making (SDM) in high-fidelity simulated clinical encounters conducted with the tool versus without the tool (N=25 per arm). The hypothesis is that shared decision-making will increase in encounters using the intervention.

Tipo de estudio

Intervencionista

Inscripción (Estimado)

70

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.

Estudio Contacto

Ubicaciones de estudio

    • Wisconsin
      • Madison, Wisconsin, Estados Unidos, 53705
        • School of Medicine and Public Health, University of Wisconsin
        • Contacto:
          • Fred Ketchum, M.D., PhD
          • Número de teléfono: 608-265-5523
          • Correo electrónico: fketchum@wisc.edu

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
  • Adulto Mayor

Acepta Voluntarios Saludables

Sí

Descripción

Inclusion Criteria:

  • Simulation 1 and Simulation 2: PCPs with experience and interest in cognitive diagnosis.
  • Simulation 2: community dwelling older adults age 50 or older are eligible.

Exclusion Criteria (PCP): none

Participant Exclusion Criteria:

  • Not fluent in English
  • age <50 years
  • pre-existing diagnosis of cognitive impairment
  • having an activated medical decision-make r or not living independently in the community.

There will be no exclusion based upon sex/gender, race, or ethnicity.

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: Investigación de servicios de salud
  • Asignación: N / A
  • Modelo Intervencionista: Asignación de un solo grupo
  • Enmascaramiento: Ninguno (etiqueta abierta)

Armas e Intervenciones

Grupo de participantes/brazo
Intervención / Tratamiento
Experimental: Simulation clinical encounters
In Simulation 1, 15 PCPs will complete simulated clinical encounters with standardized patients after completing trainings on how to use the decision-support tool. In Simulation 2, a different group of 3-5 PCPs will see patients during simulated clinical encounters without using the decision-support too for the first half. In the second half, these PCPs will complete trainings on how to use the tool and then see the second half of the participants using the tool.
Based on previous data analysis, the decision-support tool is intended to facilitate discussions between the patients and their providers regarding the Phospho-Tau blood test. It functions as a flowchart to provide clear, accessible information about the blood test that will assist providers in discussions around guide the patients through navigating a diagnostic workups for memory problems.

¿Qué mide el estudio?

Medidas de resultado primarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Effectiveness of the tool on shared decision-making as measured by OPTION-5 Score
Periodo de tiempo: This is a single time point outcome measure. In Simulation 2, providers participants will complete OPTION-5 immediately after they participate in the high fidelity clinical encounter session.
Effectiveness of the tool on shared decision-making will be measured by OPTION-5 score, a validated measurement to quantitatively evaluated shared decision-making process from the observers' perspective. The total range of scores is from 0-100 where higher scores indicate greater patient involvement
This is a single time point outcome measure. In Simulation 2, providers participants will complete OPTION-5 immediately after they participate in the high fidelity clinical encounter session.
Effectiveness of the tool on shared decision-making assessed by SDM-Q-9.
Periodo de tiempo: This is a single time point outcome measure. In Simulation 2, patients participants will complete SDM-Q-9 immediately after they participate in the high fidelity clinical encounter session.
SDM-Q-9 is a 9-item questionnaire that evaluates the shared decision-making (SDM) process from the patient's perspective. Individual items range from "completely disagree" (0) to "completely agree" (5), yielding a raw sum score between 0 and 45, where higher scores demonstrate increased effectiveness.
This is a single time point outcome measure. In Simulation 2, patients participants will complete SDM-Q-9 immediately after they participate in the high fidelity clinical encounter session.

Medidas de resultado secundarias

Medida de resultado
Medida Descripción
Periodo de tiempo
Acceptability and usability of the tool as measured by an adapted System Usability Scale (SUS)
Periodo de tiempo: In both simulation 1 and simulation 2, provider participants complete the SUS immediately after they have completed the high fidelity clinical encounter session with a patient participant or a standardized patient.
The System Usability Scale (SUS) is a short 10-item questionnaire that presents a subjective assessments of usability. The scores are calculated by adjusting odd- and even-numbered item responses, summing the adjusted scores (0-40), and multiplying the total by 2.5 to produce a final score ranging from 0 to 100, where higher scores indicate increased acceptability and usability.
In both simulation 1 and simulation 2, provider participants complete the SUS immediately after they have completed the high fidelity clinical encounter session with a patient participant or a standardized patient.
Acceptability and usability of the tool as measured by Practitioner Opinion Survey
Periodo de tiempo: In both simulation 1 and simulation 2, provider participants complete the POS immediately after they have completed the high fidelity clinical encounter session with a patient participant or a standardized patient.
The Practitioner opinion survey (POS) is a questionnaire that contains 15 items that assess the usability and acceptability of the shared decision-making tool. The total score range is from 15-75, with higher summed score indicating higher usability and acceptability from the perspective of the providers.
In both simulation 1 and simulation 2, provider participants complete the POS immediately after they have completed the high fidelity clinical encounter session with a patient participant or a standardized patient.

Colaboradores e Investigadores

Aquí es donde encontrará personas y organizaciones involucradas en este estudio.

Patrocinador

Colaboradores

Investigadores

  • Investigador principal: Fred Ketchum, M.D., Ph.D., University of Wisconsin, Madison

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.

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 (Estimado)

1 de octubre de 2026

Finalización primaria (Estimado)

15 de noviembre de 2027

Finalización del estudio (Estimado)

15 de noviembre de 2027

Fechas de registro del estudio

Enviado por primera vez

18 de agosto de 2026

Primero enviado que cumplió con los criterios de control de calidad

3 de septiembre de 2026

Publicado por primera vez (Actual)

10 de septiembre de 2026

Actualizaciones de registros de estudio

Última actualización publicada (Actual)

10 de septiembre de 2026

Última actualización enviada que cumplió con los criterios de control de calidad

3 de septiembre de 2026

Última verificación

1 de septiembre de 2026

Más información

Términos relacionados con este estudio

Otros números de identificación del estudio

  • 2026-1045
  • R00AG083131 (Subvención/contrato del NIH de EE. UU.)
  • NRL Neurology (Otro identificador: UW Madison)
  • Protocol Version 8/14/26 (Otro identificador: UW Madison)

Plan de datos de participantes individuales (IPD)

¿Planea compartir datos de participantes individuales (IPD)?

NO

Descripción del plan IPD

There is currently not a plan to make IPD available.

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. .