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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group 1: investigational drug EXO-CD24 at a dose of 10^10 | Experimental | 60 patients who will receive a 5-day treatment with the investigational drug EXO-CD24 at a dose of 10^10 |
|
| Group 2: treatment in a clean sterile saline solution (placebo) | Placebo Comparator | 30 patients who will receive a 5-day treatment in a clean sterile saline solution (placebo) |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| EXO-CD24 | Drug | Twice a day for 5 days, dose 10^10 |
|
| Measure | Description | Time Frame |
|---|---|---|
| Safety: Number of participants with treatment-related adverse events as assessed by CTCAE v.5 during the 28 days of the study. | 28 days | |
| Efficacy: the rate of hypoxemic respiratory failure (reported as S/F<150) at day 7 | 7 days | |
| Efficacy: the rate of hypoxemic respiratory failure (reported as S/F<150) at day 28 | 28 days |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Nimrod Adi, MD | Contact | +972-524266719 | nimroda@tlvmc.gov.il | |
| Nadir Arber, Prof. | Contact | +972-524266595 | nadira@tlvmc.gov.il |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Tel-Aviv Sourasky Medical Center | Recruiting | Tel Aviv | 64239 | Israel |
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This is a two arms study; one arm will receive 10^10 dose of exosomes overexpressing CD24, and the second arm will receive Placebo dose
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The administrated dose will be unknown to the patients
| Placebo | Other | Twice a day for 5 days |
|