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Follow-up of COVID-19 Vaccine Response in Strasbourg University Hospitals

Follow-up of COVID-19 Vaccine Response in Strasbourg University Hospitals

Not Recruiting
18 years and older
All
Phase N/A

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Overview

Vaccination remains the main promising measure to fight against the COVID-19 pandemic. The presumed efficacy of the vaccines is quite remarkable since it varies between 62 and 95%. There is increasing evidence that sex-specific effects may lead to different outcomes of vaccine safety and efficacy. However, sex-disaggregated data after COVID-19 vaccine are lacking. The first purpose of the study is to determine antibody titers against SARS-CoV-2 spike after COVID-19 vaccination. The secondary purpose is to identify predictor factors of immune response including age, gender and biological factors.

Eligibility

Inclusion Criteria:

  • Any person, male or female, over 18 years of age who underwent vaccination and
    • anti-SARS-CoV-2 serological test after vaccination
    • having already given their consent for their biological resources to be:
      • stored in a biocollection of the Microbiology Technical Platform (PTM) having received an approval from the CPP Est-IV and declared to the Ministry of Education and Research under reference No. DC2009-1002;
      • subsequently reused, as well as the anonymized associated data, for research purposes

Exclusion Criteria:

  • Inability to give clear information (person in an emergency, difficulty understanding the subject, etc.)
  • Person under safeguard of justice
  • Person under guardianship or curatorship-

Study details
    COVID-19 Vaccines

NCT04852835

University Hospital, Strasbourg, France

30 January 2026

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.

Do I get compensated for taking part in clinical trials?

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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