Observational study of hospitalized COVID-19 patients across multiple clinics

Hospitalised COVID-19 Patients Cohort Study in the EuCARE Project

Euresist Network GEIE · NCT05463380

This study looks at hospitalized COVID-19 patients from different clinics around the world to see how different virus strains and vaccines affect their illness and recovery.

Quick facts

Study typeObservational
Enrollment22000 (estimated)
Ages18 Years and up
SexAll
SponsorEuresist Network GEIE (other)
Locations10 sites (Düsseldorf and 9 other locations)
Trial IDNCT05463380 on ClinicalTrials.gov

What this trial studies

This observational multicentre study collects both retrospective and prospective data from hospitalized COVID-19 patients at 12 clinics across 11 countries and 4 continents. It aims to analyze the clinical course of COVID-19 in relation to various viral variants and the vaccines administered. The study will also gather biological materials for further analysis of immune responses and disease severity. By employing biostatistical methods and artificial intelligence, the research seeks to provide insights into optimizing clinical management based on viral characteristics and vaccination schedules.

Who should consider this trial

Good fit: Ideal candidates include hospitalized adults over 18 years old who have tested positive for SARS-CoV-2.

Not a fit: Patients who are not hospitalized or do not have a confirmed SARS-CoV-2 infection will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance understanding of COVID-19 treatment and management, leading to improved patient outcomes.

How similar studies have performed: Other studies have shown success in analyzing COVID-19 variants and their impact on patient outcomes, making this approach both relevant and necessary.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Hospitalized adult (\>18 years) patients including patients in the emergency ward
* Positive for SARS-CoV-2 by PCR any time from 14 days before admission date until hospital discharge. Both first and recurrent episodes of COVID-19 will be included.
* Having a signed informed consent when required by ethical approval

Exclusion Criteria: none

Where this trial is running

Düsseldorf and 9 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: COVID-19

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.