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OpenTrials
Completed

NCT Number: NCT04928911

Expectations About the COVID-19 Vaccines

This study collects information on expectations and attitudes towards the COVID-19 vaccines in participants about to receive a COVID-19 vaccine. This information will be linked to data on side effect occurrence collected in an independent study.

Completed

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Key information

Conditions

Vaccine Adverse Reaction

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Aarhus University

Aarhus, Denmark

About this study

General hypothesis: Negative expectations and attitudes towards the vaccine are associated with a higher risk of side effects

Who can participate

Healthy volunteers accepted: Yes

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

Inclusion criteria

  • Must have signed up to receive a COVID-19 vaccine in Denmark
  • Participants are also a part of the ENFORCE study from which outcome data is obtained
  • Must be able to read and understand Danish

Treatment and study plan

COVID-19 vaccine

Biological

Adults about to receive a COVID-19 vaccine fill out a questionnaire of potential predictors of side effect occurrence

Primary outcomes

  1. Rate of local and systemic reactions (self-report)

    Time frame: 7 days after vaccination

    Data obtained from independent study

  2. Rate of local and systemic reactions (self-report)

    Time frame: 14 days after vaccination

    Data obtained from independent study

Secondary outcomes

  1. Grade 1-4 and serious adverse events

    Time frame: 3-6 months after vaccination

    Data obtained from independent study

Sponsors and collaborators

Lead sponsor

University of Aarhus

Other

Registry information

Important dates

Study start
2021
Primary completion
2023
Study completion
2023
First posted
Jun 16, 2021
Registry last updated
Jan 18, 2024

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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