Could inhaled stem cell particles ease allergies and asthma?
NCT ID NCT07453771
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This early-phase trial is testing whether inhaling tiny particles from stem cells (called small extracellular vesicles) can safely help people with both allergic rhinitis and asthma. About 18 adults will receive either the active treatment or a placebo via nebulizer daily for two weeks. Researchers will monitor symptoms, lung function, and side effects for up to 24 weeks to see if the approach is promising.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
stem cell-derived small extracellular vesicles (hUC-MSC-sEV-002)
What this could lead to
If it works, this could point toward a new way to control allergic rhinitis and asthma symptoms with a simple inhaled treatment.
What could go wrong
This is a very early, small trial (only 18 people) testing safety and dosing. It may not show clear benefit, and the treatment could cause side effects or fail to work in larger studies.
Disclaimer
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This is a summary of
the original study
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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.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Chongqing General Hospital
Chongqing, 401121, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
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The Affiliated Hospital of Qingdao University
Qingdao, Shandong, 266100, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
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The First Affiliated Hospital of Sun Yat-sen University
Guangzhou, Guangdong, 510080, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
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The Second Affiliated Hospital of Shandong First Medical University
Tai’an, Shandong, 271000, China
Contact Phone: •••-•••-•••• Email: •••••@•••••
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The Third Affiliated Hospital of Sun Yat-sen University
Guangzhou, Guangdong, 510630, China
Contact Phone: •••-•••-•••• Email: •••••@•••••