This is phase IIb, Randomized, Double-blinded, Placebo-controlled Study to Evaluate the Safety and Efficacy of Exosomes Overexpressing CD24 of one dose 10\^10 exosome particles, to Prevent Clinical Deterioration in Patients with Mild-Moderate ARDS
The study population will include patients with mild-moderate ARDS and laboratory markers predictive of the cytokine storm, who have provided an informed consent. 90 patients will be initially screened, randomized and stratified by center in a 2:1 ratio to receive either 1010 exosome particles (60 patients) or placebo (30 patients). Study drug will be delivered using standard jet nebulizer that produce aerosol particles size of 0.4-4.4 µm. The exosomes will be diluted in 1.5 ml normal saline for inhalation, administered twice a day (bid) for 5 days Study treatments will be given as an add-on to the standard of care. Following the 5 days of treatment, patients will remain in follow-up for 23 additional days. In case of hospital discharge before the full follow-up planned, the patient will be required to return to the site for completion of all study assessments.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
90
Tel-Aviv Sourasky Medical Center
Tel Aviv, Israel
RECRUITINGSafety: Number of participants with treatment-related adverse events as assessed by CTCAE v.5 during the 28 days of the study.
Time frame: 28 days
Efficacy: the rate of hypoxemic respiratory failure (reported as S/F<150) at day 7
Time frame: 7 days
Efficacy: the rate of hypoxemic respiratory failure (reported as S/F<150) at day 28
Time frame: 28 days
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