#MESO "announced today that the randomized controlled Phase 3 trial of remestemcel-L on top of maximal care in ventilator-dependent patients with acute respiratory distress syndrome (ARDS) due to COVID19 infection has surpassed 50% enrollment. The trial’s primary endpoint is reduction in 30-day mortality relative to maximal care. ARDS continues to be the primary cause of death in COVID-19 patients.
The randomized, double-blinded, controlled trial is enrolling up to 300 ventilator-dependent patients with moderate to severe ARDS, and aims to confirm findings from a pilot study at New York’s Mt Sinai Hospital in March-April this year. In that study, nine of 12 ventilator-dependent patients (75%) were successfully discharged from hospital a median of 10 days after receiving two intravenous doses of remestemcel-L within five days. The United States Food and Drug Administration (FDA) cleared the Phase 3 trial to commence enrollment following a review of the trial design and clinical endpoints.
Remestemcel-L is being developed for the treatment of severe diseases associated with excessive cytokine storm, including COVID-19 ARDS and acute graft versus host disease. The ability to reduce production of damaging pro-inflammatory cytokines, which are central to tissue damage in both ARDS and acute GVHD, provides a unifying mechanism of action for remestemcel-L in the treatment of these diseases. The results from the randomized controlled Phase 3 trial in COVID-19 ARDS patients, if positive, will build upon the totality of the evidence for the effectiveness of remestemcel-L in adults and children with severe and life-threatening inflammatory conditions.
The trial’s independent Data Safety Monitoring Board (DSMB) recently completed an interim analysis of safety and efficacy including primary endpoint of all-cause mortality within 30 days of randomization of the trial’s first 90 enrolled patients and recommended that the trial continue as planned. The DSMB will perform a second interim analysis in early November when 45% of the enrollment target has completed 30 days of follow-up" (see press release HERE).
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