Clinical trial Recruiting at 1 site Observational Ages 18 to 90

Using exosomes to modulate the immune response in critically ill COVID-19 patients

Official title: Immune Modulation by Stem Cell Derived Exosomes in Critically Ill COVID-19

Run by University of Ulm · NCT05191381 · Data updated 2026-11-12

This study is testing whether exosomes from stem cells can help improve the immune response and reduce inflammation in critically ill COVID-19 patients.

Quick facts

Study typeObservational
Ages18 Years to 90 Years
SexAll
Enrollment40 (estimated)
SponsorUniversity of Ulm
Academic / other
Locations1 site (Ulm)
StatusRecruiting
StartedDecember 22, 2021
Main results expectedJuly 31, 2025
Study endsDecember 31, 2026
Registry record updatedJanuary 17, 2024
Trial IDNCT05191381 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are critically ill COVID-19 patients with lung dysfunction and a WHO severity degree of 4 or higher.

Probably not a fit

Patients who are pregnant or breastfeeding 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

This observational study investigates the immune-modulating effects of exosomes derived from mesenchymal stem cells in critically ill patients suffering from COVID-19. By stimulating whole blood samples from these patients, the study aims to analyze immune phenotypes, cytokine release, and mRNA expression patterns. The goal is to understand how these exosomes can potentially reduce inflammation and support anti-fibrotic pathways in patients experiencing severe lung dysfunction due to COVID-19.

Why it matters

Potential benefit: If successful, this approach could lead to new therapeutic strategies for managing severe COVID-19 cases and improving patient outcomes.

How similar studies have gone: While the use of exosomes in immune modulation is a growing field, this specific approach in critically ill COVID-19 patients is novel and has not been extensively tested.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Critically ill COVID-19 patients with lung dysfunction
* COVID-19 WHO severity degree \>= 4, ARDS (WHO Definition 13 March 2020)
* Body weight \> 50 kg
* Informed consent

Exclusion Criteria:

* Pregnant or breast feeding women

Where it's running

  • Ulm University Hospital, Clinic of Anesthesiology and Intensive Care Medicine
    Ulm, Germany
    Recruiting

Study contacts

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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.