Level B· Emerging clinical evidence with positive signalsClinical TrialPubMedOpen access

Nebulized exosomes derived from allogenic adipose tissue mesenchymal stromal cells in patients with severe COVID-19: a pilot study.

Zhu YG., Shi MM., Monsel A., Dai CX., Dong X., Shen H.

Clinical Trial with a reported sample of 7, published in Stem Cell Res Ther (2022) — summary generated from the PubMed abstract.

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Level B· Emerging clinical evidence with positive signalsEvidence level of this study

Several human studies show positive signals, while research methods and sample sizes continue to develop.

  • Level A · Stronger Clinical Evidence
  • Level B · Emerging clinical evidence with positive signals
  • Level C · Early human research exploring benefits
  • Level D · Scientific groundwork from lab and animal studies
  • Emerging · Emerging topic under active research
Read the A–D evidence level guide

This page is generated from the PubMed record. The Thai description is an automated summary of bibliographic fields and the abstract, not a full translation, and is not medical advice.

Study type
Clinical Trial
Journal
Stem Cell Res Ther (2022)
Country
England
Reported sample size
7
Source database
PubMed
PMID
35619189
PMCID
PMC9135389
DOI
10.1186/s13287-022-02900-5
NCT
NCT04276987
Citations
135

Abstract (original English)

Background Existing clinical studies supported the potential efficacy of mesenchymal stromal cells as well as derived exosomes in the treatment of COVID-19. We aimed to explore the safety and efficiency of aerosol inhalation of the exosomes derived from human adipose-derived MSCs (haMSC-Exos) in patients with COVID-19. Methods The MEXCOVID trial is a phase 2a single-arm, open-labelled, interventional trial and patients were enrolled in Jinyintan Hospital, Wuhan, China. Eligible 7 patients were assigned to receive the daily dose of haMSCs-Exos (2.0 × 10 8 nano vesicles) for consecutively 5 days. The primary outcomes included the incidence of prespecified inhalation-associated events and serious adverse events. We also observed the demographic data, clinical characteristics, laboratory results including lymphocyte count, levels of D-dimer and IL-6 as well as chest imaging. Results Seven severe COVID-19 related pneumonia patients (4 males and 3 females) were enrolled and received nebulized haMSC-Exos. The median age was 57 year (interquartile range (IQR), 43 year to 70 year). The median time from onset of symptoms to hospital admission and administration of nebulized haMSC-Exos was 30 days (IQR, 15 days to 40 days) and 54 d (IQR, 34 d to 69 d), respectively. All COVID-19 patients tolerated the haMSC-Exos nebulization well, with no evidence of prespecified adverse events or clinica

What this study does not prove

  • • This study does not prove SVF is an approved treatment or a replacement for standard care.

Evidence level

Several human studies show positive signals, while research methods and sample sizes continue to develop.

How we grade evidence
Adipose TissueCOVID-19ExosomesFemaleHumansMaleMesenchymal Stem CellsMiddle AgedPilot Projects

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