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Vaccine Effectiveness of a Bivalent RSV Prefusion F Protein-Based Vaccine for Preventing RSV Hospitalizations in Adults

Vaccine Effectiveness of a Bivalent RSV Prefusion F Protein-Based Vaccine for Preventing RSV Hospitalizations in Adults

Recruiting
18 years and older
All
Phase 4
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Overview

The purpose of this pragmatic randomized trial is to evaluate the vaccine effectiveness of bivalent RSV prefusion F vaccine (RSV vaccine) in adults. Participants will be randomized 1:1 to either RSV vaccine or no RSV vaccine.

Description

The study is a pragmatic, registry-based, open-label, individually randomized trial. Administrative health registries will be used for data collection including baseline information, follow-up data, and safety monitoring. The study aims to randomize a total of 690,000 participants. Participants will be individually randomized 1:1 to receive either a bivalent RSV prefusion F vaccine (RSV vaccine) or no RSV vaccine. The trial is designed to assess the vaccine effectiveness of the RSV vaccine vs. no RSV vaccine on RSV-related and all-cause cardio-respiratory outcomes.

Eligibility

Inclusion Criteria

  • Age 18 years and above
  • Informed consent form has been signed and dated

Exclusion Criteria:

  • There are no specific exclusion criteria for this study

Study details
    RSV

NCT06684743

Tor Biering-Sørensen

1 February 2026

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FAQs

Learn more about clinical trials

What is a clinical trial?

A clinical trial is a study designed to test specific interventions or treatments' effectiveness and safety, paving the way for new, innovative healthcare solutions.

Why should I take part in a clinical trial?

Participating in a clinical trial provides early access to potentially effective treatments and directly contributes to the healthcare advancements that benefit us all.

How long does a clinical trial take place?

The duration of clinical trials varies. Some trials last weeks, some years, depending on the phase and intention of the trial.

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Compensation varies per trial. Some offer payment or reimbursement for time and travel, while others may not.

How safe are clinical trials?

Clinical trials follow strict ethical guidelines and protocols to safeguard participants' health. They are closely monitored and safety reviewed regularly.
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