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Completed

NCT Number: NCT05219786

Online Field Test of an Appendicitis Decision Support Tool

After the recent publication of the CODA Trial comparing antibiotics and surgery for acute appendicitis, the investigators developed a comprehensive decision support tool. This tool will help patients understand the risks and benefits of each treatment and make a treatment decision. This study is an online randomized field test comparing the decision support tool to a control infographic and assessing it's affect on decisional outcomes, such as decisional conflict.

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Key information

Conditions

Appendicitis Acute Appendicitis Cecal Diseases Digestive System Diseases Gastroenteritis Gastrointestinal Diseases Infections Intestinal Diseases Intraabdominal Infections

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

University of Washington

Seattle, Washington, 98195, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

who live in the United States and who have not previously had appendicitis.

  • Workers on Amazons Mechanical Turk Platform with an approval rating of 95% or higher
  • Workers on Amazons Mechanical Turk Platform who live in the United States
  • Workers on Amazons Mechanical Turn Platform who have not previously had appendicitis

Exclusion criteria

  • Employees or relatives of employees of the University of Washington

Treatment and study plan

Appendicitis Decision Support Tool

Behavioral

Viewing of a decision support tool.

Control Infographic

Behavioral

Viewing of a standardized infographic

Primary outcomes

  1. Decisional Conflict Pre vs. Post Intervention

    Time frame: At time of enrollment

    Assessed using the validated decisional conflict scale comparing only participants in the intervention arm before and after viewing the decision support tool.

Secondary outcomes

  1. Decisional Conflict Between Arms

    Time frame: At time of enrollment

    Total score on the validated decisional conflict scale after viewing the intervention support tool or the control infographic. Scale ranges from 0-100 with higher scores being worse.

  2. Acceptability

    Time frame: At time of enrollment

    Between arm comparison of the acceptability of the information presented to the participants rated on a 4 point acceptability scale with higher scores representing higher acceptability.

  3. Trust and Accuracy of Information

    Time frame: At time of enrollment

    Participants perception of the trustworthiness and accuracy of the information presented to them on a 5 point scale with higher scores representing a higher perceived trustworthiness and perceived accuracy.

Sponsors and collaborators

Lead sponsor

University of Washington

Other

Collaborators

  • National Institutes of Health (NIH)
  • Patient-Centered Outcomes Research Institute

Registry information

Important dates

Study start
2021
Primary completion
2021
Study completion
2021
First posted
Feb 2, 2022
Registry last updated
Feb 2, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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