Stem cell therapy for COVID-19 lung damage trial pulled before it began
NCT ID NCT05491681
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This early-stage study aimed to test whether infusing donor stem cells could help people recover from acute respiratory distress syndrome (ARDS) caused by COVID-19. The trial was withdrawn before enrolling any participants, so no results are available. The approach was based on earlier lab and animal studies suggesting stem cells might reduce lung inflammation and promote healing.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
allogeneic bone marrow-derived mesenchymal stem cells (MSCs)
What this could lead to
If successful, this approach could point toward a treatment to help people recover from severe lung damage caused by COVID-19.
What could go wrong
This trial was withdrawn before enrolling any participants, so no data exist. Early-phase stem cell studies often fail to show benefit or may have unexpected side effects.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.