Clinical trial Recruiting at 1 site Observational Ages 0 to 110

Observational study on the biology of COVID-19 in Saarland

Official title: CORONA in the Saarland

Run by Universität des Saarlandes · NCT04837755 · Data updated 2026-11-12

This study looks at how COVID-19 affects people in different ways, including those with long-term symptoms, to learn more about the disease and its progression.

More Covid19 trials

Quick facts

Study typeObservational
Ages0 Years to 110 Years
SexAll
Enrollment300 (estimated)
SponsorUniversität des Saarlandes
Academic / other
Locations1 site (Homburg, Saarland)
StatusRecruiting
StartedMarch 1, 2020
Main results expectedDecember 31, 2025
Study endsDecember 31, 2025
Registry record updatedMay 25, 2025
Trial IDNCT04837755 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are individuals diagnosed with any form of COVID-19, including those suffering from long-COVID-19.

Probably not a fit

Patients who do not have COVID-19 or long-COVID-19 will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

The CORSAAR study is an observational, prospective investigation aimed at understanding the natural biology of COVID-19. It includes patients with various forms of COVID-19, including those experiencing long-COVID-19, and collects comprehensive medical histories, measurements, and biomarkers at baseline, during hospitalization, and after discharge. The study focuses on cytokine measurements to gain insights into the disease's progression and effects.

Why it matters

Potential benefit: If successful, this study could enhance understanding of COVID-19 and inform better treatment strategies for patients.

How similar studies have gone: Other observational studies on COVID-19 have shown success in understanding the disease, making this approach relevant and potentially impactful.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

all form of COVID-19 including long-COVID-19

Exclusion Criteria:

\-

Where it's running

  • Saarland University
    Homburg, Saarland, Germany
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

  • Investigating olfactory dysfunction after COVID-19 infection

    This study is trying to understand why some people still have trouble smelling after recovering from COVID-19 by looking at samples from their noses.

    Recruiting at 6 sites Universitaire Ziekenhuizen KU Leuven · Brussels, Brussels Capital and 6 other locations · NCT06482138

  • Registry to evaluate pregnancy outcomes in women treated for COVID-19

    This study is trying to see how treatments for COVID-19, like certain medications, affect the health of pregnant women and their babies.

    Recruiting Pregistry · Los Angeles, California · NCT05013632

  • Collecting COVID-19 virus secretions and serum for developing treatments

    This study is collecting samples from people with COVID-19 to learn more about how the virus behaves and how it affects recovery, with the goal of improving treatments for those at higher risk.

    Recruiting at 2 sites Tulane University · New Orleans, Louisiana and 1 other locations · NCT04956445

  • Using donor-derived T cells to treat mild to moderate COVID-19

    This study is testing whether T cells from family members who have recovered from COVID-19 can help treat hospitalized patients with mild to moderate COVID-19.

    Recruiting Phase 1/2 New York Medical College · Valhalla, New York and 3 other locations · NCT04896606

  • Imaging immune activation in COVID-19 patients

    This study is testing a special imaging technique to see how the immune system is working in people who have recently recovered from COVID-19.

    Recruiting Phase 2 CellSight Technologies, Inc. · San Francisco, California · NCT04815096

  • AGILE: an early-phase platform testing treatments for COVID-19

    This project tests several experimental antiviral and immune therapies to see if they are safe and work for adults with confirmed COVID-19.

    Recruiting at 4 sites Phase 1/2 University of Liverpool · Cape Town and 6 other locations · NCT04746183

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.